882 heads dyno. If i could work out how to post my dyno sheet i would.

6L with the 38cc head, stage 1 cam, their upper plenum and 70mm throttle body. 50 exhaust while the bottom head is the performance version (325hp and higher) used on 67-68 327 applications with 2. However, as RB said, the best crap is still crap! Click to expand Jun 19, 2006 · 800. com Looking for an answer to the age-old question (at least when it comes to engine builders), is it better to refurbish an Feb 15, 2008 · I have been leaning towards using the 041 heads, it is a bulkier casting than the 882's casting. May 21, 2010 · The new AFR 290 CNC ported head was tested on the 496 today. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Mar 17, 2004 · I'm just honing out a std bore block, new flattop 4 valve relief pistons. Sep 9, 2004 · HP peaked at 4,800. Assuming a fresh valve job and general head rebuild, you are probably looking at $200 to put your 882's on the road. gasket . The 96 and up use the completley different L31 Vortec bolt pattern. With the intake and everything. The reason that the earlier iterations of this engine cracked was due to the fact that they ran really hot. I haven't dyno'd yet but I'm assuming ballpark of 350-400hp. Dyno Plumbing Scotland opened in December 2009 and has completed more than 150,000 plumbing repairs and installations throughout Scotland. Dec 29, 2011 · I've won races with 882 heads, they work well and are durable. 600 valve combos in them many times, but they do crack , however, i've never yet seen a cracked #487x head. 529, 214/220, 112), 70mm TB, AFM intake pipe, Pro-M 77 MAF, 24 lb injectors, BBK longtubes, BBK catted h-pipe, Dynomax Ultraflo Catback, SCT chip. Have recipes on this crate engine, was bought through “Jegs” in Ohio and shipped. minimum port cross-section. 447/. 56:1. 96 valves, 3 angle valve job with . E-Street From Edelbrock. As for an estimate of power I can't say but if the vortec heads work well with the bottom end it has its a safe bet that it will have more power than it did. Run with stock exhaust manifolds feeding a Hooker 2. Apr 24, 2014 · Cstruab. 60" exhaust valves, whereas most 461 heads came with a 1. This was due to the double heat riser passage. roller cam, and I also set the valve train up at my shop. Since this was a low-buck cylinder head test, we decided to use our budget small-block 350 Slayer engine. I personally had a set the dyno'd on a 355 at 418hp and I personally thought they had more in them but moved up to a larger cubic inch and a larger runner volume head. 60 valve job, they turn out half decent and will make a ton more power than the 882's. 94" intake and 1. 734009 439. My dyno numbers this past weekend were a dissappointment. Nov 7, 2018 · Finally got the 302 to the dyno today. Apr 2, 2020 · Final dyno graph shows all three EQ heads on the 6-liter LY6 as equipped with the Comp Cams LSR camshaft. The Chevy 882's didn't have good compression, because they had larger combustion chambers. Oct 6, 2004 · 882 heads, ported decently performer intake HEI 50k coil MSD wires 650 spreadbore Hyper pistons, flat 4 relief (about 8. Sep 9, 2008 · Big Torque 383 Build - Build A 475hp 383 For $4,719. With my s10 and my Chevelle I could hear a totally different exhaust note from both engines. 02, street dominator single plane with 650 holley carb, 500 lift cam , 275 dome pistons or any guess in what hp will get with that combo May 9, 2008 · 487x heads flow the best out of all the big chamber medium valve heads (1. 550 lift cam limit guys were putting out well over 400hp on the dyno without any porting etc. 30 over , using 882 heads but cutting to 2. Apr 6, 2012 · This engine with 882 heads will be lucky to make 300hp on a dyno, with no torque. Jun 2, 2011 · I'd forget about 882 or 993 heads both are open chamber low compression heads with poor spark plug placement, read that slow burning and high fuel consumption for the power they give. You can get 76cc / 2. Michael current setup if interested 383 with approx 9. Dec 1, 2010 · The dyno graphs provided with each head test compare them with the stock head curve. i would say you'ld be okay as they have 1. 60 exhaust valves in them. 80-sq. Mar 1, 2010 · Where the L46 featured the small-chamber, big-valve fuelie heads (186 casting numbers), the L82 came with large-chamber (882 casting numbers) heads. The mildly modified Mouse pumped out 347 hp at 5,400 rpm and 399 lb-ft of torque Oct 1, 2004 · Modifications continue, including Magnum cylinder heads, on a GM Performance Parts 502-cid sixth generation big block V8 crate engine in Part 2 of a 502 Chevy Big Block Buildup, attaining nearly Jan 1, 2007 · Super Chevy Flows And Dyno Tests A Set Of The New RHS Pro Action Small-Block Cylinder Heads. 875 lifters and 600 HP carb engines we build we see on the average around 490 to 510 horse on the dyno and around 470 on the torque. The 291's are good heads, how much do you want for them ? The 291's don't have hardened seats. 2:1, I am planning to use the GM Performance 10105117 Head Gaskets (. 020" shim headgaskets! So the old -882 heads and I figure along with . Jul 12, 2009 · The heads appear to us to use Edelbrock's Performer RPM castings but without all the finish work and hand-blending used in the higher-cost heads. Jan 9, 2006 #8 F. 3-liter has shown that the 706 heads were worth 20 hp and 15 lb-ft over a pair of 317 heads, even with the 317's slightly larger valves. Made 314/314 11r 190 56cc heads, Buddy Rawls street cam(. A Comp cams 268 high energy cam and a performer intake. 0. /270 exh. 6:1 roller Sep 12, 2023 · The stock 882 cylinder heads were refurbished and installed for the dyno test, complete with an Edelbrock Performer intake manifold (PN 2101), a Quadrajet carburetor, and an HEI distributor. I suspect some trans slippage under full throttle may have contributed to the early peak/plateau but also am concerned over the flow characteristics of my rebuilt 882 heads. May 2, 2004 · Years ago, Ligenfelter said that these castings and 441 heads were some of the best smogger castings. 039" thick composite headgaskets won't help at all here b/c he's gaining at least 1. 50" exhaust valve. Ranging between 300-/350hp/ 330-370tq. Out of box TEA/TFS high port heads and untouched Super Vic with a carb. 60 Oct 30, 2021 · In this short video, the massive 10. Edelbrock Performer. The exercise started with an engine producing less than 300 hp but Nov 21, 2020 · AFR 290cc heads Comp custom hyd. Looking at the AFR 195 street heads. Engine has a mild cam, stock 882 heads with low flow numbers, 700cfm Holley Double Pumper Carb, Block Hugger Headers. For me,the 193 would win hands down. Feb 1, 1997 · Since aluminum heads can tolerate a slightly higher compression ratio, Trick Flow equips the Twisted Wedge head with a 63cc combustion chamber (the 882 castings typically have 76cc chambers). Chevy heads had 2. Bascially here are my options. Specifications: . Also,the 193 is a much more efficient head. 50" lift springs and 1. It's kind of hard to explain. I am running a hyd lifter cam, . 671” / . 50), big chamber (76cc), cast iron factory cylinder head. Granted, I'm not looking to make over 300hp anytime soon so just a little bump in power would be cool. 02 intakes Apr 5, 2012 · Will know for sure when I take the heads off. I played with 492, 041, 186, 624, 882, 461, 462, 450,193, the list goes on and on and my favorite out of all is the #601 305 head that many machine shops and naysayers said will not breathe on the top and limited rpm potential and ping like crazy. 02/1. Topping the short-block were a pair of aluminum non-ported Brodix 200 heads. 02int. Oct 23, 2021 · What are 882 Chevy Heads. Jan 20, 2023 · The 882 heads came from L&R Engines and included full porting, a set of 2. horsepowermonster. 480 lift, performer intake and Edelbrock Carb. 631hp at 5800 and 637torque at 4100. Am I going to see the difference between Oct 3, 2012 · The L-82 actually has a few advantages over the L-48: the 882 heads on the L-82 as noted have bigger valves and actually flow pretty decently for an engine back then with the major drawback being the heads had a tendency to crack due to thin castings and very high operating temperatures. Graph 5: Stock 882 Iron Heads & Cam vs Ported 882 Power Heads & PE246 Cam. 200cc RUNNERS, 68cc COMBUSTION CHAMBERS. 230. With web configuration, moderation, anti-spam, auto roles, custom commands, and much more! Jul 20, 2005 · Jump to Latest 4K views 8 replies 8 May 1, 2023 · The first thing we needed was a small-block Chevy engine on which to evaluate power. probably around 1250 to 1300. How accurate are this desk top dyno's. 94-inch valves. The goal was 630 and they hit it. 041 head gasket, and flat tops with 4 valve reliefs performer intake 750 Q-jet 1 5/8 headers elgin cam. This is the easy way to build a 475hp 383 without using a wad of cash. They were cracked so I put a set of 487 heads on it until the replacement 882's were found She wanted it numbers correct. 3 to 8. Comparing the two heads GM really did get into their "cheapening" of parts in the 70's. 200-0. run the 882 heads (please dont bash my 882's here - we all cant be running vortec heads)using long tube headers, hydraulic lifters, roller tip rockers and a comp cam 12-238-2 with the following specs: Duration at 050 inch Lift 218 int. 5 ratio roller Jan 16, 2005 · Originally posted by 67malibuEFI: I have a 327 . 525/. Test was performed at Conley Performance in Houston on a Mustang Dyno, air temp of 87 degrees. The chassis dyno reported a torque peak right Feb 11, 2012 · heads and cam Well for starters the 882 heads have a large chamber size of 76cc and they flow alright but hurt the compression of down to about 8. Also the #882's have an unusal shaped exhaust port , but they make good HP also. 2:1 to 8. but the cost of the new vortec style intake could bust the budget, and the the rocker arms need to self aligning style Mar 26, 2012 · The idea was to start with a bone-stock engine, then step things up with the proper combination of heads, cam, and intake. 25“ dual exhaust, pop up pistons that were advertised at 11. talked to a buddy selling some cammel humped heads for 200 bucks so i might pick them up , send them to the machine shop and tell them to taked their time. 513/. 67. And, by the way, the GT40/p heads are great street heads. The test sweep was 4,000 - 7,000 rpm , and was making 489hp @ 5,000 , 525@5500 and 568hp @6,000 Torque was 496@ 4900, 514ft/lb@5000 and stayed over 500 ft/lb until 6,000. and they are cheap compare to other aftermarket heads. the trouble i ran into was needing a bore job and the cost for all that plus installing cam bearings, hot tank, deck the block, was $250. Oct 6, 2006 · We use a lot of the 906 casting and the nonMeixican 062 heads on alot of circle track engines we build and and with the proper bowl work and deshrouding and a good valve job on the average on the 11:01 flat tappet . Feb 3, 2021 · Turns out the mystery SBC EQ (Engine quest) heads flow quite well as cast! 600 HP Potential!Some Flow bench results comparing them to Vortecs and Iron eagles Jan 19, 2007 · Dyno-Thrashing 6 Camshafts In A Small-Block 383. 94 intakes. They were produced in the millions and if you are rebuilding a 70's era 350, more than likely it will have a set of these heads on it. 50-inch heads! Granted, the cam is lumpy, barely making 9 inches of 1960 CHEVY BEL-AIR 2 Door Hardtop w/ 454cid, Turbo 400, 9" Rear, and still a project 1975 CHEVY CORVETTE Stingray 350cid, Auto, all original May 6, 2010 · Replacing the stock 882 iron heads with 200cc RHS aluminum heads, an XE274H hydraulic flat-tappet cam and Pro Comp dual-plane, aluminum intake resulted in some serious power. 0L. (Most high perf. 050; . roller (237/241 @. 3030. Not a particularly aggressive cam lobe. 3-liter ZZ632 crate engine from Chevrolet Performance is seen hitting its 7,000 rpm redline whilst on an engine dyno. Jul 11, 2005 · The 291's should fetch a few bucks on ebay. 90 Notch 69 351W bored . Chevy's own statement is that the L31's are the best flowing iron head ever built. Using flat tops with the 193 tho would prolly land you in the 10:1 CR. 462 210/218 on a 111*)would work with those vortec heads and work pretty well. I've only got $500 to spend to get this thing like I want it and into my 69 Camaro. 02 x 1. 206055 3000 229. 2, but it was in 1979. 480/. If I went to 64cc chamber heads my compression would skyrocket. Are the junkyard Vortec heads the best bang Jan 29, 2010 · I used to run limited sprint cars and our head rule made us use the 882 castings as the only options and with a flat top piston and . Re: Are 882 heads really that bad? 06-04-03 04:27 AM - Post# 241736 In response to Monte85SC With my 4-valve relief flatop pistons, 76cc chamber heads, and my XE262 cam that my compression would be very good. 028”) which should raise it a little to 8. Apr 24, 2007 · HERE is what i have a 1955 chevy w/ 400 . 882 Head Intake Port cc. Oct 13, 2006 · Actually, similar results can be had from just about any small-valve(1. 6:1 S/A rolelr rockers In its current setup I've been able to squeeze nearly 350hp/350 Jan 28, 2009 · Here's a recently finished PRC Stage 2. First up is the pic of the engine. 35:1. 055\1. But head replacement can get you into intake to head bolt up issues and rocker arm issues. 450" lift. Wow, that was a surprise. and on that un-named auction site go for $625-$650 a pair. Note Sep 14, 2012 · From http://www. Edelbrock’s Performer Series cylinder heads and induction systems have enjoyed great success making it possible for the masses to enjoy high-performance driving at affordable prices. 055/1. He has a set of 882 heads. 030 over Apr 20, 2014 · This project has become a total L-82 rebuilt using the OEM block (all the numbers match and it is a 4 speed car), L-82 forged crank, L-82 pink rods,L-82 aluminum intake, all new bearings, new 9:1 forged pistons AND AFR 180 65 CC aluminum heads (in place of the L-82 cast iron 882 heads) with a retro fit roller cam (howards . but on your budget i doubt you will see 500 hp. Jun 22, 2005 492 993 heads are practially the same as 882. The 86 thorugh 95 heads use a different bolt angle alongside the plenum. should still net you some decent mpg also. z-28 valve springs Comp cams XE268 camshaft Moroso Chrome oil pan Moroso Chrome valve covers comp cams 84000 series lifters, which are very strong and expencive Holly 650 DP K&N airfilter Aug 19, 2015 · Here’s an affordable street-cruiser combination from the same shop that also builds winning Pro Mod engines. 60 valves and milling to increase the static compression by just less than . But,from the Chevy mania website that has sbc serial numbers, they say these heads are extremely crack prone. in. Mar 3, 2005 · The 882 head is your typical smog-era 70s head. Aug 15, 2006 · As usual, all of the engine dyno testing was performed at WestechPerformance ( SuperFlow 9010 engine dyno). Oct 13, 2006 · I have a set of Chevy heads with a casting number of 333882, with 1. Aug 26, 2014 · next time you have access to the later vortec style intake gaskets (even old used ones) and a 1955-85 first generation cylinder head ,or first gen intake gaskets and a vortec cylinder head, take the time to line up the bolt holes on the gasket and cylinder heads, I thing you may be rather amazed at the differences in port size and locations. . 6 which sucks and hurts performance which also limits a great cam, so for a just cam swap with a heavier truck as the Elky is with not to much of a stall I would probably limit cam to a 268 hyd from Comp, have installed quite a few with about Jan 13, 2009 · As to heads for a 400, for my money the Dart SS heads have been a better investment than rebuilding most old heads, especially if you want screw in studs and bigger valves. Edelbrock’s intake-port philosophy emphasizes port velocity for its mild street heads, and the Performer is the entry-level head in this category with a 170-cc intake port with a rather small 1. They are intended to meet 1970s early 80s low emissions by emasculating the combustion process. 76cc 1. 060 over 289 casting block, 10. So I think no matter what I'd need 76cc heads. 030 over with a 480 lift 228 duration cam {crane 284 H12 }, 1. 3l Heads Aug 14, 2015 · I have some extra parts laying around, namely a pair of GM Performance Vortec heads with matching dual plane intake, and was thinking about doing a top end swap on my current 350. 02 / screw in studs / guide plates / Z28 springs etc. i had a set of 441's that were 1972 models and they had 1. Mar 23, 2018 · I have both a set of 624 heads and 882 heads sitting around in the shed and I wanted to get everyone's opinion on whether or not either the 624 or 882 heads would be a worthwhile upgrade from the dreaded TBI heads in terms of power. Jul 17, 2012 · I have 882 heads, ported, milled, 2. Engine Nov 17, 2011 · Test 2 is with the same Bow Tie Vortec heads, Comp cam, Weiand intake, Holley carb, and dyno exhaust with no mufflers. I assume that the 882 refers to the serial number 333882. Oct 1, 2012 · Naturally, the 882 heads received a suitable valvespring package to work with the revised cam specs. 10 gears. Cylinder heads of choice were 190cc Trick Flows, and we ran three separate groups of progressively bigger camshaft profiles, pairing dual Feb 10, 2012 · TF-R heads that were ported(CNC)by Roush a number of years ago, Vasco Springs, Titanium retainers/keepers, 2. Thanks for the dyno test Feb 13, 2020 · Dyno testing on an LM7 5. 6 roller tip rockers, 882 heads 1. At 3,900 rpm these heads produced Sep 28, 2021 · Affordable Pump-Gas 383 Small-Block Chevy Stroker Strapped to the Westech Dyno. unless you plan on going to high comp with racing fuel. The small-block’s compression is a very conservative 9:1 so that you could even run 87 octane gas for part-throttle cruising. Even if it actually has 8. This is the first aluminum head in this small-port aftermarket category. 882 heads were designed by Chevy to be used in 350 ci and 400 ci engines. After a bit of a wait for the heads ATK put my 496 stroker together and today on the dyno. Intake valve size:2. 02. If I use the shim head gasket (0. With our tuning finally dialed in, the ProMaxx BBC heads demonstrated their worth on the 572 stroker by producing peak numbers of 850 hp at 6,800 rpm and 719 lb-ft of torque at 5,500 rpm. I was selling sets of 882 heads on there awhile back and routinely got $175 per pair-for rebuildable cores. Dec 1, 2016 · After the break-in cycles, the tuning session included adjustments to jetting, timing, and even the oil level (very important). Up for sale a stock complete SBC vintage crate long block 350 engine. Shove that rascal in a 3500 lb. 526382 371. 60 valves. After replacing the factory 882 heads with the 180cc RHS Pro Action heads, the peak power numbers Nov 1, 2001 · Read the tech article on a Budget Vortec Head Cam 355 Build, brought to you by the experts at Chevy High Performance Magazine. They flow great OOTB. Nov 7, 2019 · These heads have 2. The best pull made 1041hp at 6700 and 882 ft/lbs at 5600. 7:1, 240/246 @ . 94 valve but you can open them up to 2. Jun 10, 2005 · Tech Help. Mar 1, 2005 · 882 Heads are extremly prone to cracking. 3 comp, using . I have similar combo to yours: stock 78k mile shortblock, GT40 heads, Explorer Intake, 1. 30 over (406) that has pop up dome pistons i think around . Test 1. 50 - 250 & 255 - 76 CC Chambers, Intake flow 152 CFM, Exhaust flow 93. 385 I beam rods, Milodon 66 chevelle oil pan, M77 oil pump blue spring, ported RPM air gap intake, holley HP1000 carb, open 1 inch plastic spacer, 2 inch hooker headers, 3 inch magna flow mufflers Aug 4, 2010 · Dyno Sheets 496 Iron Head BBC To all that might be interested in some dyno numbers, hand I will have to do these slowly as my server (and I) are speed challenged. 94/1. Lets see what it runs. There are different variations of the 882 head, which has been stated already. 230713 3500 292. Dyno'd 340hp at 4700rpm with 9 lbs of boost using a 3" blower drive pulley. The test also shows why the Twisted Wedge heads took the 5. Dec 24, 2009 · I am in the process of freshening up a 355 ci small block and am wondering what heads to go with. 200 dome. 60-inch valves. 50 ex. They will get good HP and torque on a dyno too. It flows about 210 cfm on the intake side max An aftermarket head such as the AFR 180cc, Pro Topline 180cc, GM Vortec, Dart Iron Eagle (etc, etc) head will move much more air. 65 exhaust with beryllium seats, port matched Super Victor Junior with mod'd 850 4150 flowing close to 1000cfm done by The Carb Shop, headers were done a number of years ago by Bill Dawson, stepped 1-5/8 to 1-7/8 31 May 24, 2007 · heads are chevy 882 heads with a stage 2 port job Manley Stainless steel valves 2. 02" / 1. Our dyno session Jan 20, 2005 · With a good port and polish job these heads can easily get you 350 horse. 553528 377. The 406 with the 882's did not sound like it was efficient. If i could work out how to post my dyno sheet i would. But, they did flow good from the factory, even with 1. So that dyno test looked to me like a typical Apr 1, 2010 · The heads are 882 castings with 2. Jun 7, 2004 · I had a set rebuilt then after rebuilding them i went with the vortec heads. 396HP @6300RPM and like 364 ft lbs or something like that. These went on a 427 in a 69 Impala for a customer in NY with a FM ported Vic Jr and a Straub 3 lobe hyd. The 882s are quite similar to 84-86E 462624 heads. 443 lift-280 dur int465 lift-290 dur ex 112 lobe center 882 heads with 2. Aug 15, 2006 · I just bought a rebuilt 350 with a mild cam, 882 heads and a cast iron intake manifold for $1,000. 040" over 283 engine, as well as the larger 327 Chevy. But it will not flow with the Vortec. Run on the dyno with the Jan 27, 2015 · What GVX stated is the same thing that people stated about the 305 heads. Enjoy the pics and dyno vid Write-up 332-428 Ford FE Engine Forum: It looks stock. Dec 27, 2012 · Other than the advantage of aluminum, the X heads don't impress me. On the plus side, the aluminum Corvette head offers a slightly better exhaust port than the older iron Jul 3, 2003 · heeelp meeee search my post for heeelp mee and i talk about my 400 and my tale of woe. 5 / MS3 combo for you guys to checkout! Mods: 01 LS1 F-Body Pacesetters Off-Road Y Lid Pulley PRC Stage 2. I'll head to the track soon and see what I've gained. I just find it hard to believe you can PAY for that quality of porting, convert heads to screw in studs, guide plates, 2. Jun 14, 2021 · I'm going to use the 882 heads as the first example. We relied on an MSD distributor, but a stock HEI would work just as well on this mild application. Im not real big on that cam either. Not quite what the mags Nov 10, 2008 · 882 heads are not as bad as some say, I have 390hp out of the motor in Kims wagon. 02 intake and 1. But let’s turn that around and invest in a smaller but strong set of heads like a set of the AFR 180-cc aluminum heads fitted with a set of 2. Sep 3, 2004 · personally i would stick with the 441's, because like was mentioned 40 hrs worth of port work on 267/305 heads would cost a buttload of money if you can't do it yourself. summitracing. one graph on there shows a stock 4. Nice build. The compression did drop to 8. this gives me more time to save some cash for extra goodies, plus us Marines dont make a pile of money,so the more time i have Feb 3, 2010 · Jed's 598 C-Head Dyno results. He's using a set of 1 1/2" primary tube headers because there the cheapest headers you can get for his application. It's a post 87 350 roller motor that someone built with 882 heads and stock GM dual plane cast iron intake. :bigthumbsup Sep 12, 2004 · I recently removed my mild 351c with openchamber heads, 9. Dec 13, 2021 · NKB 200cc/68cc ULTRA HIGH FLOW CYLINDER HEADS WITH PBM COMPETITION VALVES STRAIGHT PLUG, FOR SBC CHEVY 327 350, 355 383, 400, 406 ENGINES. 94" int/1. 52 rockers. The port flow numbers are roughly equivalent to a decent set of older iron heads like the 882 or 441 heads. Apr 17, 2021 · The D0 head is WAY better than the D9 casting, so it’s an apples to oranges test. to get 500 hp, you will prob need more cam than that. 02 valves750 Holley, victor jr intake, and a good msd350t trans 3500 stall and a 9in ford rearend w/ 389 gear,,, shifts at 5500 rpm the car only has been running 12,98 on If you are just looking for a set of inexpensive aluminum heads to use on a street cruiser, the L-98 Corvette heads perform decently. Comp cams roller tip rocker arms 1. 94 intake 1. This Pic is an old Chevelle w/355 cid that had #882's 2. UPGRADING THE LEGENDARY L82 WITH ALUM HEADS & CAM. 74 exhaust. The chamber volume of the Brodix Feb 5, 2015 · The stock crank was deemed worthy and given a quick polishing, while the 882 heads received a fresh valve job. 2 CFM Casting # Year Valve Size HP Range Chamber Size/Notes Jan 20, 2005 · My 355 ran over 420hp on the dyno with these heads. 75 lift cam. The combo is MARK IV 496 BBC, AFR 290 HEADS ,10. Apr 20, 2020 · The high-horsepower version of the first-year 427 was the L72, featuring a beefy block with four-bolt mains, a forged steel crank and rods, forged aluminum 11:1 pistons, a high-performance solid-lifter cam, and huge rectangular-port iron heads fed by a Holley four-barrel carb mounted on a high-rise aluminum intake manifold. comThe Edelbrock Performer RPM heads had excellent flow numbers, and they provided exceptional power and torque during our dyno testing. We recently built this combo; 383 with the new AFR eliminator 195 heads (they flowed 265/217at . Mar 23, 2012 · I had some 336x heads on a 350 with a 224/230 comp xe268 that made 268/303 on a mustang dyno. With some cleanup & porting,the 193 makes a pretty good head. The car pulls good up to 6,000 but the dyno says shift at 5,500. Feb 27, 2003 · There is no question that the Vortec head will cost more and run better than the 882's. Let the Internet bickering begin. Keep 882 heads (already have crane springs), add an aluminum intake manifold ($140), 8" harmonic balancer ($60), new gasket set Feb 20, 2017 · The 882 heads were topped with a cast-iron, two-barrel factory intake and matching 2G carburetor. better flow, better chambers, after modifying the springs you can run a higher lift cam. 25 to 1, pistons were not my choice. 6 ratio int. 76 comp, comp 248/253 110, 106 solid roller, scorpion rocker arms, Scat 4340 crank, 6. 25 points of compression! Add one CC 268HE or 270 Magnum hy-cam and go!! pdq67 Jul 31, 2006 · Does 80+ hp gain seem right for these heads? Thanks. 600, Jan 27, 2014 · 3932441 - 67-79 - 1. /224 exh. Mar 24, 2009 · what do you mean nick?? Those dyno's are from an engine dyno. Those ported 882's must have 0. Oct 9, 2017 · The vortec head is a better flowing head than the 882 although to be used with that cam they will have to be machined to handle over . 015”), the compression would go from 8. LOL. the engine is a 350 Steel crank, 4 bolt main, 9. 428 Cobra Jet on dyno Dyno Ford 428 Cobra Jet on dyno - over 450 horsepower! - YouTube Aug 14, 2005 · The 882 head is the most produced chevy cylinder head over and above all other casting numbers. the crank was shot too as the trust plate was gone Mar 22, 2020 · The heads are casting 882. Apr 29, 2020 · My low compression 363 cammed for a turbo made just a tick under 600 through the turbo headers without a turbo, bolted to a simple adaptor to the dyno exhaust pipe. 94 intake and 1. Feb 21, 2014 · I have much more powerful, faster cars in the garage, but this one is old school cool IMHO running in an old white Mustang with Polyglas tires and dog dish hubcaps. 5:1 compression ratio with these heads, comp cams . 400 flow equivelent to Vortecs for those kind of numbers. 08 it got 18 MPG highway at 65-70, now has a 700 but I dont know milage yet) Sep 9, 2012 · The engine was chassis dyno'd before and after and according to the dyno, we put almost 100hp to the rear wheels, all things considered, but I know this is short of what's actually there. Username Post: 881 heads? good as 882s? (Topic#60580) davidh Senior Member Posts: 562 Loc: Oklahoma Reg: 02-17-01 Jan 11, 2005 · edelbrock heads edelbrock heads are much cheaper than 1700 dollars. 50" valves. Mar 29, 2007 · W/ 64 chamber heads, he's going from somewhere around 8. Oct 10, 2004 · just talked to the local machine shop guru and he said he would have to modify the head due to clearance issues. One way to determine if your engine combo will produce your desired results is to use a engine dyno program changing out Dyno is a feature-rich and modular discord bot for your Discord server. 480 lift with 230/230 Duration at 0. 50 exhaust, Accel controlled TPI, Hooker headers with 2. Jan 27, 2014 · 1st of all,what are you gonna be doin with the car?Daily driver,drag race ???? I may be wrong,but,I don't believe a stock 882 will outflow a 193. If you were to find a set of rebuildable 441, 487 or 920's and spent a few hours hand porting them and give them a new 2. 5 ratio ex. The engine is going to be a fairly mild street engine, approx 350 to 400hp. Test 3 added a Wilson-tapered carb spacer and a set of Comp 1. Sep 20, 2007 · was just wondering if anyone has any combo ideas in using 350 sbc bored . The heads featured a 1. Retail price:N/A. 5 5. so the edelbrocks might be worth looking into. The stock springs were long since worn out, and inadequate even when new. However, even with a 4" wide chamber and large valves, these heads will still fit on a . that's pretty healthy. Mar 27, 2003 · I have read several articles recently where folks are talking about 882 heads as if they were really the cream of the crop. FULL RESULTS & VIDEO! 2 TESTS! 350 VORTEC HEAD & CAM UPGRADE. Kindly note the oddball pan which is for fitment into an early Chev. 758591 402. 94 Heads, i am hoping to make 350-375HP with them. 1966 Oval port head; notice tapped bosses for spark plug shields. Should I go with the E-Street heads or step up to the Performer RPM. I'm guessing 2 to 3 MPH. Sep 28, 2010 · One benefit of the GT40P's is they bump compression a little. With the 882 heads it got 16 and ran 85 in the quarter, both before and after replacement. Aug 1, 2002 · Remember, this is a crate 383ci small-block right off the shelf complete with hypereutectic pistons and a set of iron 1. 08 intakes and 1. Advertised Duration 262 int. 525, LSA 110 Apr 6, 2018 · The Vortec heads offer great intake port flow despite the rather small 1. I figure C9/D0 351w heads or P heads (either set, ported) are better choices other than the iron. It's hard to give advise with the limited Jun 25, 2015 · In addition, we’re in the middle of compiling a complete rundown on the brand new Pro1 LS3 cylinder heads seen in the video above, complete with independent dyno testing from the guys at Borowski Race Enterprises. PowerHeads purposely didn't go hog wild on the porting Mar 27, 2016 · Bottom line is that my L78 has incorrect 291 heads (yes, I know they are functionally identical to 840's) on it that need to be freshened. car and get to the track. This 383 stroker small-block Chevy assembled by Mike Consolo at QMP Racing Engines peaked out at just over 500 horsepower and produced 430 lb-ft of torque or more throughout the entire dyno run–all on pump gas and with a respectable idle. New bearings were installed as was a set of Fel-Pro heads gaskets and ARP head bolts. With the 487 head it got 18 mpg and ran right at 100 in the quarter. 2:1 COMPRESSION, STRAUB CUSTOM CAM, 850 QUICKFUEL CARB and an AIR GAP INTAKE. 60" exh, port matched to intake, screw in studs, 1. Is the trade off going to be bad to run the 195cc heads on my 355 compared to the Aug 7, 2017 · 882 heads 1. It made 226 hp at the wheels, but now i'm waiting on machine work, and will soon have results for my new motor with solid cam and AFD alloy 2v heads. flyguy Veteran Member. The 882 is Nov 6, 2020 · Topping the as-cast RHS heads and RV cam was a Speedmaster dual-plane intake and Holley 750 HP carb for dyno work. I would love to use an aftermarket set of heads, but at this time the funds are just not there to warrant a changeover. Almost all the heads which I've seen for sale have been modified to some degree and I wanted to know what mods I could live with in my stock application. hyd 500 lift cam and a set of 76cc 882 heads on it 2. If you have to change pushrods the expense and time won't be felt by the butt dyno maybe on an eng dyno but not Apr 19, 2008 · By just changing to AFR 195's(not Eliminator Street): 2000 141. 648285 2500 179. All I had done to the head was have them cleaned up, new valve guides installed and install the new springs for the cam. Aug 23, 2013 · The day has finally come. Those 351 heads are dyno proven better than many entrance level aftermarket heads when properly ported. Georgie if your planing on building a SS motor they might not work as well but they will work and win with a good setup. Fresh build from air cleaner to oil pan. See All Mar 30, 2022 · Though head choices were limited for the small-bore 305, Trick Flow Specialties did offer a set of 175cc Super 23 degree aluminum heads designed for the 5. 50 valve package, 56cc combustion chambers and a valve package designed for our hydraulic roller spring package. Should give me a good baseline to have a good torque convertor made Jan 6, 2003 · Now Ive seen combos over the internet using 882 heads/ 383 stroker with similar cam specs And im finding numbers that are much lower. Jul 16, 2009 · On tuesday we dyno Snowball's motor, It made 1155hp at 7200rpm and 920tq at 6100rpm. Best I can find is a fairly consistent >200cfm rating. 050 hyd flat tappet on a 110lsa, with an old 3310 carb and it made right at 480hp and 455ft-lbs. I used to have some dyno sim and track sim software, but I don't Dec 31, 2011 · So if I'm correct on that, then a 50 HP gain would only be obtained over and above a small block engine combo which had heads that are waaaay too small for the camshaft being used, and as a result, the engine was very much over-cammed with the old heads even after the work was done on the 882's. 4:1 comp, hydraulic cam, weiand 2v manifold and a 850 Barry Grant. Mine where 1. 1. 676” lift / 106 LSA) In the dyno video, the engine stumbles when the vacuum secondaries open Nov 7, 2010 · option 2. Sep 26, 2010 · This was dyno'd on a conservative Stuska dyno, so its not a "happy" dyno by any means. they are the preferred head to use out of the factory open chambered small block heads May 11, 2014 · The 993's rebuilt will cost nearly as much as a set of decent modern replacement heads. 0 community by storm. All this dyno talk is great but as they say the "proof's in the puddin". 5 points. Early 1970s casting # ending in 014 with #882 cylinder heads, a4bolt/2piece rear main, is pump gas friendly crate motor which has not been fired up. May 25, 2005 · the comp cams 12-235-2 xtreme 4x4 cam (. The top head is the 'lower horsepower' version (300hp and under) used on 67-68 327 applications with 1. I agree with Greg about milling these heads, you need to find another way to bring up your compression. Many classes of dirt track racing are restricted to these large chamber heads and the racers are looking for this casting number specifically. I figure I'd rather spend the money on the correct heads. On a Superflow dyno. The Vortec heads are much like other stock small-block heads in that the intake port flows fairly well, but higher rpm power is limited by a weak exhaust port. 50. Aug 29, 2001 · From: Tampa Bay FL. small-block out to Westech Performance and let John Baechtel and Feb 8, 2009 · Those heads (882) will make the power your after but they are junk, anytime you have a head that the heat cross over gets into both exhaust ports it not a good ideal, the 441 head would be a better choice. 268280 Dec 11, 2011 · My wifes 77 L-82 vette had them. 50) these are highly sought after and would give you a small performance boost over your 624 or 882 heads. 520 lift,267,114lsa) , freshened stock roller shortblock, RPM Performer intake 1in open plenum spacer, 650 Quickfuel DP, 1 5/8 shorty headers, OR H pipe,Dynomax catback, Astro 5 speed, 4. Our award winning plumbers are dedicated to delivering the highest customer service and the best possible value for money and peach of mind in your home. 02" intake and 1. $1500ish for the pair assembled. Mar 3, 2004 · Currently running a B&M 144 Blower on my 355 4 bolt main SBC. Blue = LS3 (CH264C), Red = "317" casting (CH364A), Black = "243" casting (CH364C). I'd be all over a set of AFRs if I had the budget. Dec 3, 2007 · Re: AFR 195 Eliminator Build Recommendations They are pretty decent heads. but they max out at with a 5. Stock LS1. 5-inch exhaust system, the two-barrel 350 produced 241 hp at 4,500 rpm and 359 lb-ft of torque at Feb 24, 2007 · Ive read the Lingerfelter book where he stated the 993 heads flow better then the 882s I read the Vizard book on head porting he supplied actual flow data on the stock 993s using Vizard numbers with my pump gas combo the best HP I get through dd dyno is 335, I believe the Car Craft data is flawed or they tested a really good stock 882 head. Jul 31, 2012 · Cylinder heads are a natural extension of what Edelbrock has been doing since World War II – high-performance induction systems. With good aftermarket heads or Vortecs you'll have new guides and hardened seats, etc. 60 Valves and good valve job, mill heads to 75cc for less than the price of a set of aftermarket heads (according to the Sep 27, 2008 · Don't even bother to take that thing back to the dyno. Mr. 94" and 1. They are going to run it this weekend and see how it compared to the other 606ci C headed motor. I agree, we can race dyno's all day but when the et flashes on the board either the BS or the doubting stops. 50, 600cfm edelbrock carb, Performer RPM intake, headers with Flowmaster 40 series mufflers dumped befor rear end, and 1. The aftermarket head will also usually have a smaller, more efficient, combustion chamber increasing compression Nov 6, 2007 · The #882's are a much thinner castings, and i've installed 2. Setup for hydraulic flat tappet cams. Where you can gain substantially more power is by concentrating on the exhaust side of the head. 5 to 9 comp) topped with holley powershot 14x3 filter Runs pretty good, gets great milage (w/th350 and 3. 7 rr, Crane 2031 cam (. 882's are a marginal head so good for a marginal street engine. 75 to 1 up to about 10 to 1 if he use's Mr. Would it hurt me by running the 195cc heads over the 180cc heads? I just don't want to buy two pair of Afr heads at the price point they are if I was to go 383 down the road and I already had the 180cc head on my 355 and needed the 195cc heads for a 383. 600 on my stingy-ass sf600), 10. They usually only gave a 9:1 compression on a Chevy 350 with flat top pistons. agsnb pol xjh ajmofm scz dzruw ufgy tdze bpegt cos