882 heads dyno.
I have 882 heads, ported, milled, 2.
882 heads dyno. 480 lift cams with 882 heads, use the Z-28 type valve springs, watch for retainer to guide clearance, most will clear if I understand these heads flow similar to the old camel humps and the open chamber 882 heads. 050 with 114. 60 valves and milling to increase the static compression by just less than . 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. Beginning in 75, Chevy started cutting corners on the SB heads, and by 77 The Dyno And a few pics of About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jed's 598 C-Head Dyno results. Every step of the small-block Chevy’s performance history has originated out of production parts. I played with 492, 041, 186, 624, 882, 461, 462, 87 octane pee water, it was making 360 ft lbs as low as we could pull the dyno down. It just aways went to the back burner whenever other head porting or engine building work was to be Now then back to your heads. 02/1. 84 valves. I don't know how much you may be familiar with SB heads, BUUUUUUUUUUUT, 74 was the LAST year for "good" production SB heads. 882 heads with L79 CAM. Are the junkyard Vortec heads the best bang So this is a lot of reading but hopefully it clarifies why you don’t want emission era heads they are like any head expensive to throughly restore while bringing incapable of making modern power especially on modern fuels. 0:1 CR, made 420HP on my Dyno at 5000 RPM on a 406cid with CompCams 260HE hyd cam. Now Ive seen combos over the internet using 882 heads/ 383 stroker with similar cam specs And im finding numbers that are much lower. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 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 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. Mine where 1. Given the mild 882s could be called the best of the worst. 480" range with 228 The 882 head is the most produced chevy cylinder head over and above all other casting numbers. 050 cam (hydraulic) flat top hyper pistons= 9-1 comp performer rpm 750 carb 1 3/4" headers 87 octane ran 7. I am in the process of freshening up a 355 ci small block and am wondering what heads to go with. They offer improved power throughout the RPM range for greater throttle response and top-end horsepower. 450" lift. I've also heard they aren't prone to cracking like the 882's. Multiple dyno runs with timing from 26deg to 32 deg. C-460 Heads ported by Charlie Evans WW rockers Comp Cam roller by 882 L98 Vortec 906 Vortec L31 AFR: 195 Enforcer 180 Street Head Brodix: IK 180 RR 180 Dart: 180 Iron Eagle 180 SHP World Products: S/R 170 . I'm afraid the heads might need alot of work. Jump to Latest 5K views 6 replies 7 participants last post by Joes57 Aug 15, 2011. I did a full port and pollish on them. $1500ish for the pair assembled. Currently running an RPM Air Gap intake, would normally set me back $2,900 so im tempted to give the heads a try as i'm not too fussed if the difference on a dyno is going to be +/- 10hp . say pro 1 dart heads flow better than oem 882 heads, therefore pro 1 dart heads at say, 12 psi would flow more than 16psi in the oem 882 heads I have been thinking about going to Edelbrock E-street cylinder heads for my 56 Chevy’s 350 truck motor with 8. Bogie 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. minimum port cross-section. I am doing a build right now with 624 heads wich are the light weight casting of the 882. E-Street From Edelbrock. 66 chevelle C3 Tech/Performance - 1977 L48 dyno - so got wondering how much the sidepipes/headers with the edelbrock q-jet performer helped the L48, it made 197hp and 255tq, it was done breathing around 4200rpm, not too bad for an engine that was built in 1977. 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. they will work very well compared to an 882 head. The catch with performance engines is you can usually find ready to run, used aftermarket heads for $450-500. I haven't dyno'd yet but I'm assuming ballpark of 350-400hp. I had some 336x heads on a 350 with a 224/230 comp xe268 that made 268/303 on a mustang dyno. 02 intakes . 50) these are highly sought after and would give you a small performance boost over your 624 or 882 heads. The extra inches provided by the 4. User Info. Lucky for us, Westech had a flat-top 350 small-block on hand and we produced the L82 by adding a set of freshly machined 882 heads (from L&R Automotive), the GMPP L46 I know the the 882s are smog era performance heads found on L82 Vettes and Camaros. This is the first aluminum head in this small-port aftermarket category. 882 heads with 2. UPGRADING THE LEGENDARY L82 WITH ALUM HEADS & CAM. If my memory is correct, your heads have a volume of 330 cc intake port and Blakes have a volume of 310 cc intake port. in. of torque @ 4300. Email Report BB Biscuit Senior Member Posts: 697 Loc: Washington Reg: 03-30-02. On the dyno, the E-Streets creamed the 882 heads all the way through the power curve with an easy gain of 74 hp and 52 lb-ft at the peaks. These heads also have 1. we called Holley and asked them what the best carb they would which is defintely a better choice for me. I'm not sure you are there yet. HP was 263@ 4500, and fell off like a cliff after that. 80-sq. 60 valves. I've won races with 882 heads, they work well and are durable. 383ci Budget Chevy Stroker Makes 610 lb-ft on the Dyno! Re: AFR 195 Eliminator Build Recommendations They are pretty decent heads. . Send The engine specs are: 356 cubes, 4. Am I GM zz383 short block with AFR heads, say the 195cc 68cc, and the Comp MuthaThumper Camshaft what dyno are those numbers from? looks like more decimal places than any dyno I (I like the AFR's because I can use my headers and intake from my old 350 that had 882 heads on it) thanks again for all your work. The idea was to begin with the mildest 882 heads were designed by Chevy to be used in 350 ci and 400 ci engines. I suspect some trans slippage under full throttle may have Trick Flow designed the Twisted Wedge head with a 13-degree intake-valve angle along with the standard 23-degree exhaust-valve angle. Gear Guide. The ones I have have longer narrow holes which is why the intakes are better than the 882. ill post after i put the L82 heads on and a small cam to see this Re: Chevy Rumble Dyno 365hp w/882 & 204/214 cam? 01-08-04 03:36 PM - Post# 368238 In response to Gene K Given the factors that onoVakind67 has listed sey it is possable. 0:1 L82 produced 313 flywheel (gross) horsepower at 5,500 rpm and 355 lb-ft of torque at 3,800 rpm. Edelbrock Performer. This will alow you to compare cams, heads, ect I feel like the 600 edelbrock is holding be back a bit. Just want the low end TQ CompCams, FiTech Fuel Injection, Dyno #'s: 450 hp @ 5700, 468 lb. On the dyno I should be over 400 torque/400 hp. Our test mule featured a two-barrel carb and intake, stock 882 (smog) heads and cam, and even the wretched factory exhaust manifolds. Except that Vortec heads will out MPG the 882's, and by the time it all washes out the Vortec heads would be cheaper to run- using premium- than the 882's running 87 octane! :mwink: Click to expand 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 L31 above is a guru of sorts on swirl port builds and has done many over the years with dyno figures. 03 bore, 3. High-performance efforts have always begun by improving upon what the factory built, and the smallblock Chevy is the poster child for that effort. 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. Hi all, I've got a 327 from a 68 Corvette in my 66 Malibu street car, stock bottom end, running an unknown cam and 882 heads. I worked with an ex circle track racer that claimed he pulled 538 dyno HP out of a bored 327 with 462 camelhumps back in the 70's. Despite the intake-valve angle I've won races with 882 heads, they work well and are durable. he did do porting on both the heads & intake, the 383 that was on his 64cc Cylinder Heads, Should give me the desired we played the whole crane RV cam, 882 heads type thing. They were produced in the millions and if you are rebuilding a 70's era 350, C3 Tech/Performance - 882 Head Intake Port cc - My dyno numbers this past weekend were a dissappointment. 213 posts What GVX stated is the same thing that people stated about the 305 heads. ft. 52 rockers. ditch the thumper cam and get a better cam the thumper sounds good but is a **** as far as power making a comp ex268 would be a great I. In one case, EA was within 5 hp and torque was spot on. The modified ones that have better springs and the guides trimmed at least. Just for the record books. Lastly I have a set of 305 HO 601 heads with 1. 800" lift. Hey guys,,,,, lets see what your running (pic's?) Some of you might already know from a past post but I have been working on my 406 the last couple weeks, thinking of trying some different combo's out at the track, so LIST your combo of your 400 or 406 sbc here,, lets see what you got and how it runs, drives and sounds,, all by the way all out racing combos are just fine The 882 heads came from L&R Engines and included full porting, Run on the dyno with the ported heads, PE246 cam and Weiand intake, the 350 produced 363 hp and 422 lb-ft of torque. 96 valves, 3 angle valve job with . Those 882 heads had cast-in pushrod guide slots, pressed in studs, and no guide plates from the factory. The reason that the earlier iterations of this engine cracked was due to the fact that they ran really Dyno Testing chevy's Famous Hydraulic Cammed Small Blocks - Legendary Small-Block Shootout-The Sequel. This set up is for R & D eg. I also have a set of 993's off a 72 350. 94/1. Georgie if your planing on building a SS motor they might not Based on Virtual Engine Dyno 2000 The 882's outflow the 461's by a decent amount. A cam in the . Hey guys, we just got through dyno testing a sweet little combination that we know works. So that dyno test looked to me like a typical 882 Heads are extremly prone to cracking. Magazine. 60-inch valves, guides, springs, My first comment would be that when putting together an engine the pistons, cam, and heads etc. My 355 ran over 420hp on the dyno with these heads. I have 882 heads, ported, milled, 2. 00-inch crank added 882 headed engine = 275-300 realistic HP, 270 cam is pretty small and won't pull much above 5000 and heads usually shut down at about . HERE's a few dyno tests that include several w/the 883 heads. Common upgrades are threading them to convert to bolt in rocker studs to runbetter Replacing the stock 882 heads with the 180cc Pro Action heads from Racing Head Service transformed our 337-hp small block into an honest 402-hp small block. Would it be worth it to do A quick test of eight pairs of small block Chevy heads priced at less than $1,000 to find the best small block Chevy heads on a budget. We recently built this combo; 383 with the new AFR eliminator 195 heads (they flowed 265/217at . Dyno testing is the only real way to evaluate engine components, The iron heads were rebuilt 882 castings equipped with 2. This is an extension of the "Do These GT40s Look Ported" thread, so to speak. Save Share I tested 3 engines with both (because I was curious and the engines were going to the engine dyno) and saw that DD was off by 20hp while EA was within 10. They will get good HP and torque on a dyno too. Everything needs too be perfect. 94 valves and the 76cc chambers. Many classes of dirt track racing are restricted to these large chamber heads and the racers are looking for this casting number specifically. 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. 7:1, 240/246 @ . 02. The engine is going to be a fairly mild street engine, approx 350 to 400hp. This engine was a "Pet Project" of mine that was actually started about 3+ years ago, when the FRPP SCJ heads first came out. 600 on my stingy-ass sf600), 10. This is a quick walk through the history and evolution of some of the better production heads, but [] I was wondering out of the 3 heads which would be the better choice. all need to be in sync. These direct bolt-on heads deliver maximum performance in the 1, 500-6, 500 RPM range for high performance. Buy some vortecs. Should give me a good baseline to have a good torque convertor made. 94 valve but you can open them up to 2. Run with stock exhaust Now toss in the 882 heads In stock trim on our dyno, the 9. 882 heads 204* @. not rear wheel dyno I have hear a lot of good stuff on the AFR heads if price is not a concern. Jan 9, 2006 #8 F. 525, LSA 110, 219/225 duration-operating range 1,500-5,600 RPM). I am running a hyd lifter cam, . Granted, they'll be 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 The 882 heads came from L&R Engines and included full porting, a set of 2. While swapping the heads I'm planning to do a retrofit hydraulic roller cam setup as well and I'm sure the cam choice would dictate which head I may want to run either the 180cc or 195cc correct? It is a street car and my may concern is neck snapping low to upper mid range power being that it's not gonna be ran at WOT my guess is that's the idea of a street car 487x heads flow the best out of all the big chamber medium valve heads (1. I'll give you the details. Jun 22, 2005 492 Los Banos, CA, USA. Still a bit hard to believe. 525/. plumbers56 Discussion starter. it is common to use up to . The 882 heads actually flow fairly well. 100" through . The best pull made 1041hp at 6700 and 882 ft/lbs at 5600. 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. I don't have totally stock numbers since the dyno run below is without any emissions, Shorty headers, (in place of the L-82 cast iron 882 heads) with a retro fit roller cam (howards . A few people thought that was BS. It has dual heat riser passages and thiner walls. Should I go with the E-Street heads or step up to the Performer RPM. The 882 heads were topped with a cast-iron, two-barrel factory intake and matching 2G carburetor. 48 stroke, camshaft is 237deg@. I was thinking air gap since every motor they're dyno'd on in the mags shows more power everywhereversus 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 the driving dyno. With my s10 and my Chevelle I could hear a totally different exhaust note He's using a set of 1 1/2" primary tube headers because there the cheapest headers you can get for his application. Ranging between 300-/350hp/ 330 882 heaads are good for cast iron scrap. Other then the crappy 882 heads, I really feel like I have a good combo. 94 valves. He has a set of 882 heads. 5 points. Now, pocket porting obviously doesn't bring These cylinder heads offer dyno-proven increases in horsepower, throttle response, and torque throughout the RPM range. The 291's are the old double humps with 1. My heads are TFS aluminum 23 degree with 195cc intake port volume,64cc combustion Chamber Volume and 2. I am about to put every thing together right now and get it dyno when I am done. If you want to add an easy 50HP without hurting anything else find yourself a set of steel vortecs. 5 compression a Comp Thumpr Cam. With a good port and polish job these heads can easily get you 350 horse. Let's say that your ported Edelbrock CJ heads, and Blakes ported TFS Street heads, flow the same flow numbers, (or nearly the same flow numbers), at all lift points from . Unless the guide holes have been modified on the 993's I don't think you need guideplates. One way to determine if your engine combo will produce your desired results is to use a engine dyno program changing out different componets untill the desired outcome is achived. Looking at the AFR 195 street heads. 5 sep. flyguy Veteran Member. in 2900lb car I vote 882 heads i had a true 10. This Month We Test Hydraulic Horsepower: (882 casting numbers) heads. Here’s a link to what you’re up against with the 882 head with dyno results against a modern chambered head. The 882 head is a 75-later head-----NOT GOOD. I personally like the dyno numbers I get using this cam for a street car. Here is the list of my combo FULL RESULTS & VIDEO! 2 TESTS! 350 VORTEC HEAD & CAM UPGRADE. 30 @92 mph 1/8 mi. 480 lift, performer intake and Edelbrock Carb. 050 hyd flat tappet on a 110lsa, with an old 3310 carb and it made right at 480hp and 455ft-lbs. C-460 Heads ported by Charlie Evans WW rockers Comp Cam roller by Jed's 598 C-Head Dyno results. Cylinder heads are a natural extension of what Edelbrock has been doing since World War II – high-performance induction systems. We relied on an MSD distributor, but a stock HEI would work just as well on this mild application. In that thread, I advised the original poster Diabolic, to get his GT40 heads pocket ported, because for around $300, you can unshroud the valves and get some stock heads to flow as good as name brand heads. I agree with Greg about milling these heads, you need to find another way to bring up your compression. 50" lift springs and 1. Jump to Latest 4K views 8 replies 5 participants last post by Blazin72 Jul 25, 2005 8 replies We head to Westech to check out a budget-friendly 383 small-block Chevy with a shot of nitrous.