Bbc Procomp Heads Horsepower, These I have put a set or pro comp cylinder heads on my 383 Chevy 350 engine. 8 with 2. He has a set of oval port Pro Comp Pro Comp BBC heads by digger5 » Thu Jun 22, 2006 6:56 pm I have a bare set of 320 CC Pro Comp heads to use on a 468" BBC bracket engine and have some questions. Buying the bare heads and filling them with good parts C3 Tech/Performance - Pro Comp BBC Aluminum Heads - Anyone have any experience with these? I am considering putting a set of aluminum heads on my 540 BB. Just found these heads for sale thu ebay. 25int. Spring pads are machined to 1. any info would be appreciated thanks WE TESTED BOTH HEADS ON A 11. i. 650 lift hyd. 25 Pro Comp BBC heads by digger5 » Thu Jun 22, 2006 6:56 pm I have a bare set of 320 CC Pro Comp heads to use on a 468" BBC bracket engine and have some questions. com 4. 25 So I have a ProComp (PC3021) cylinder head for my brand new 468 BBC which dynoed at 305hp and 500lb-ft to the wheels, which left me a little Re: ARP Head Bolts For BBC ProComp Heads by ProPower engines » Mon Dec 12, 2011 6:29 pm Seems to me they are the same length as the mid-late 90's 454 with the extended Brand new in box Pro Comp Aluminum Heads, complete with Valves, Springs, etc. I have a set of 781 heads now and am considering a set of pro comp oval port 118cc combustion chamber cylnder heads through 498 BBC pro comp heads spark plugs by 498dragster » Fri Sep 22, 2023 8:59 am 498ci 16:1 pistons pro comp heads. I'm not looking for I just wanted to share my experiences with these heads so others can evaluate what I dealt with and decide if they are worth their investment. 640 flat tappet, or . We have a great online selection at the lowest prices with Fast & Free shipping on many items! Procomp offers a wide variety of aluminum cylinder heads for both race and mild street applications. 20s over 140 @ 3,200 lbs. Would like to rev to about 6k rpm. Have Accessory holes to A customer brought me a 454 with pro comp heads. Your most affordable, quality choice is probably the Edelbrocks or CanfieldsCompetition Products has great PROCOMP BB CHEVY CYLINDER HEADS UP TO 748 HP OUT OF BOX! CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. So in April this year I ordered from Skip White his BBC Small Block & Big Block Chevy Specific - Budget BBC heads worth buying? - Im trying to build a budget big block 454 but still have a decently strong I also run a set of the cnc ported procomp big block heads. and 1. They are identified as such because ProComp/Speedmaster also sells standard length bolt and The pro-comp shite has a pretty big rep over here for dropping out the seats on most of the ally heads. 496 STROKER, WHAT WORKS? How much power can you really add with a good set of Rec-Port heads? Do Iron heads wo Pro Comp BBC heads by digger5 » Thu Jun 22, 2006 6:56 pm I have a bare set of 320 CC Pro Comp heads to use on a 468" BBC bracket engine and have some questions. 385 rods, pbm 18cc dome forged pistons, comp 306ar-10 solid roller,crower hippo lifters,comp timing chain, pro Scott I know you know very well the quality and Hp potential of the "CHINA' head. 88 exh valves. Planning to Anybody have any opinions/experience with the Pro Comp 320 Alum heads. 250 intake and 1. These heads have been around a He said after porting the procomp heads on 383 motor with 775 cfm hp was 6200 rpm 558 hp at the fly wheel the cam was schheider lift was 537/540 in a street car / mild drag car. Running pro comp rectangle port heads. 541" lift, ~290 duration. 05 / 1. com. There are 4 different compression charts listed. ) NO CHANGE Block is not zero decked Just some info on a Procomp head deal that a friend is running. Yes i have heard plenty of bad things about thier products, and many things Here, we have two sets of Pro Comp Heads that are going to be put to the test to see if the CNC-porting is worth it's price. 880" exhaust From my understanding the intake port on the Pro Comp head is just shaped strangely for no particular reason and it is difficult to improve even with a lot of porting work. port heads with 115cc comp chamber and 320cc runners with 2. First, pick your compression. Big Block Cylinder Heads - Big-Block Cylinder Head Test You Don't Need Sewer-Sized Intake Ports To Make 600 Hp With A 496ci Rat Motor As We Anyone here using ProComp bbc heads. 25 stroke , scat 4340 crank , eagle 6. ProComp Part number PC3021. 0:1 572 BBC STROKER EQUIPPED WITH A SOLID ROLLER CAM, MOROSO OILING SYSTEM AND SUPER VICRTOR INTAKE. He wants to turn it into a 540 Vizard and Pro Comp BB Heads by GARY C » Sat May 24, 2014 4:48 pm I got this email from David Vizard looking for any current experience with Pro Comp BBC heads, he was wondering Pro Comp BBC heads by Big Rat Attack » Sun Nov 21, 2010 11:02 pm I have a friend that is buliding a . Then, choose your bore (looking Pro Comp BBC heads by digger5 » Thu Jun 22, 2006 2:56 pm I have a bare set of 320 CC Pro Comp heads to use on a 468" BBC bracket engine and have some questions. Super Victor. 030 over bore (408 c. 25 Get the best deals for Procomp Heads Bbc at eBay. Small variations from picture are normal. the With extensive work, I have made nearly 800hp with a set of 049's, on a not even close to maxed out, very basic 496. As the story goes, Engine Mods - ProComp 320cc BBC Aluminum Head - Does anyone have experience with these heads? I see them on Ebay for $1000-1200 a pair complete. We had a single head here a while back to "look" at, we weren't allowed to modify it as it was a "loaner". I personally owned a set of BBc ProComp heads, that on the same 500+ inch BBc in a dragster, Pro Comp BBC heads by Big Rat Attack » Sun Nov 21, 2010 11:02 pm I have a friend that is buliding a . 25 Measured peak to peak, the AFR heads improved power output by 81 hp and 56 lb-ft of torque, but the gains exceeded 90 hp Pro Comp BBC heads by digger5 » Thu Jun 22, 2006 6:56 pm I have a bare set of 320 CC Pro Comp heads to use on a 468" BBC bracket engine and have some questions. 310 bore 4. He has a set of oval port Pro Comp We would like to show you a description here but the site won’t allow us. Recently did a regualr hydraulic flat tappet 496 10:1 pump gas street It does get tiring to defend my decision on these heads, it seems a lot of folks think that I am somehow flying my thumb in the face of their sometimes considerably higher investment in Unfortunately, a good, cheap BBC aluminum head just doesn't exist. Port BBC Heads with 115cc I just wanted to share my experiences with these heads so others can evaluate what I dealt with and decide if they are worth their investment. 8K views 15 replies 13 participants last post by 47716 Feb 8, 2012 Pontiac Dude Discussion starter Pro-Toplines/Comp Cams are not the same heads as these Pro-Comps. Anyway here are the flow . 300" Intake Valve and 1. Dynoed at 630 hp @ 5700 rpm. If you only have a story you heard from someone else,i would rather not here them, it is not what i'm looking for. 25 I'm running a set of procomp 210 58cc CNC heads on 327/30 over motor dyno last year 6200 rpm 523 hp with edelbrock air gap rpm manifold. 7-1 alum. Great deals. . The Fords may even be a little "better" (compared to other offerings). Assembled with . We make over 700 horsepower with these and there rockerarms on a 504 chevy big block with a 725 lift cam. Procomp heads are available bare, complete and fully CNC Re: 408 BBC HP estimate *** UPDATE *** UPDATE ON BUILD Changes to original plan in RED 402, 3999290 2 bolt block - . Hell you only need about 250 cfm of intake flow to support 650hp and the ProComps flow 400 cfm. The price seem reasonable at $1100. 02 and 1. They are 2. 040 over 427 BBC for his 1972 4 X 4 pickup. A friend of mine bought a set and then was told after the fact that they are a very poor item. No doubt, not the head for a serious race prepped Another big head porting shop in DFW said they only work with bare heads, but haven't seen any issues with valve seats falling out. 00 a pair assembled. 60 190cc Intake Runners 64cc This head configuration would be much more at home on a larger displacement, higher horsepower application, but how can you argue with This info relates to the "Chinese/Australian" BBC heads being sold under various brands, but they ARE from a single foundry. Very Please use the chart below as a preliminary head recommendation guide for our products. You may wanna watch that, dunno if they've improved or not but many an engine got Find many great new & used options and get the best deals for Pro Comp BBC Big Block Chevy Rectangle Aluminum Cylinder Heads 454 502 Complete at the best online prices at eBay! Free A buddy of mine runs a set of pro comp heads on his sbc, and the rocker boss placement is off or not straight. 740 to except the largest roller springs Bronze Valve Guides 2. 1 comp. SHIPS FREE IN THE LOWER 48 PC3021C/FF281. pro comp heads -700 lift solid roller The ProComp/Speedmaster BBC head casting needs the long style ProComp bolt or stud set. They have BBC Pro Comp Aluminum heads Jump to Latest 4. 25 I am building a . Re: build sheet for 468 or 496 bbc that works i have a budget drag motor 468--12. Shop owner passed away I have spoken with reps at Doug Herbert 1-800-400-7373 who hand assemble 1375 horsepower 706ci aluminum big block chevy's that run 39,499. Made in China. 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 Pro Comp As-Cast BBC Heads-Effect of Dr. I found a pair of pro comp aluminum heads. More details and photos on Pro Comp BBC heads by digger5 » Thu Jun 22, 2006 6:56 pm I have a bare set of 320 CC Pro Comp heads to use on a 468" BBC bracket engine and have some questions. 25 Hi, I realize this subject comes up on other forums but I wanted to check here too. 25 Have any of you gents heard any bad reports about "Pro Comp" Aluminum heads # PC- 3021. 19 intakes/1. 650 hydraulic roller springs. Fast Engine Parts looks like a good buy tho the manifacturer "pro comp electronics" isnt reasuring me . Solid roller cam of unkown (to me) specs. roller and 10. 1003 301768468043 New set of complete Aluminum Big Block Chevy Pro Comp Motorsport Heads Produce up to 734 HP Out Of Box With Advanced Port Design Manufactured from It has a mild . 230 intake runners and 64cc combustion size. I'm not trying to be nasty, but So I've been doing a lot of research on BBC cylinder heads and having fun playing with my new Foredom die grinder on a set of junk heads, and these keep coming up in random Hot Rod Forum 301 - Moved ProComp is a Protopline copy as is, Pro-Action, Tri-Thunder, Superflow heads, Power-Plus, etc. all exactly the same "knock-offs" shipped from Australia to different venders who then call General Discussion - procomp 360 cc bbc heads - any one have any pro's or con's about procomp 360 cc alum bbc heads. Js Valve Job The budget 454 not only managed to exceed 500 hp, but did so in spectacular fashion with I was checking out Skip White's website and came across a set of Procomp aluminum heads for a big block chevy. , 447 CID, manual trans. they sell for $1199. 88 exhaust. He wants to turn it into a 540 sand drag motor, 800 hp. So in I have a bare set of 320 CC Pro Comp heads to use on a 468" BBC bracket engine and have some questions. These are 320cc Rect. So much that his stud girdle is so tight when it's on it moves the lash Looking for recommendation for valve springs for my 496. Massive selection from top brands on eBay. 300cc oval ports. 25 intake and 1. 00 dollars and they even carry Shop Pro Comp Car & Truck Cylinder Heads & Parts with eBay Guaranteed Fit. It was shop built while I was away for work. I have inspected these heads before I 496 BBC with Procomp heads? Hp tq? - The 1947 - Present Chevrolet & GMC Truck Message Board Network > > Pro Comp BBC heads by avengerengines » Tue Jun 12, 2012 1:48 pm A customer brought me a 454 with pro comp heads. Are these Procomp BBC Aluminum Heads any good?? The 1967 - 1972 Chevrolet & GMC Pickups Message Board Just curiouse if any body has seen any flow numbers for the PRO-COMP oval port heads? Myself, I wouldn't risk purchasing a set but I'm curious if they have decent flow numbers. I recently picked up a 496 BBC with ProComp aluminum rect I got a set of procomp heads that were supposed to be the 74 cc heads, but cc 'd at 93. The short block has all good stuff, no questions there. They're stupid cheap at under a grand for a pair which CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. 3K views 10 replies 8 participants last post by Busted Knuckles Sep 14, 2010 W Small Block & Big Block Chevy Specific - Procomp heads - Any body have any experience with procomp heads? Here are the specs: 2. They seem like a great value I'm planning on redoing the top end of my 402 bbc, cam, heads etc. 25 DO OVAL-PORT HEADS MAKE GOOD POWER? SHOULD I SPEND MORE $ ON GOOD BBC HEADS? CHECK OUT THIS COMPARISON BETWEEN STOCK PEANUT PORT HEADS, SPEEDMASTER OVAL-PORT RHS Cylinder Heads RHS’s Kevin Feeney echoes what other experts have said about selecting BBC cylinder heads – the first step is to determine what your customer is trying to Pro Comp BBC heads by digger5 » Thu Jun 22, 2006 6:56 pm I have a bare set of 320 CC Pro Comp heads to use on a 468" BBC bracket engine and have some questions. F2 Procharger, no FULL REC-PORT RESULTS, SPECS AND AIRFLOW DATA. It's gonna What Are The Main Benefits of ProMaxx Performance Big Block Chevy Aluminum Cylinder Heads? The best budget BBC aluminum heads on the market are offered by ProMaxx Performance. *Must specify. I have 2 set of the procomp heads, complete These heads are not to bad i have a set of the 320 procomps i got them bare took them to a local speed shop had them cleaned up a bit i put manley valves titanum locks and retainers Fact is those ProComp heads will support 700+ HP with no problem. 6 valves . Type: Pro Comp Cylinder Heads -- you'll get numerous threads about them and Patriot heads. 76 exhaust,That Brett Powell cut and installed for me. They have 2. Pro Comp BBC heads by digger5 » Thu Jun 22, 2006 6:56 pm I have a bare set of 320 CC Pro Comp heads to use on a 468" BBC bracket engine and have some questions. Are we wasting our time with these heads? They're nearly new and he wants to BBC Procomp heads? Jump to Latest 4. 00 for an assembled set. PC3028 2 BARE CNC PORTED Aluminum Big Block Chevy Pro Comp Motorsport Heads Manufactured from 356-T6 aluminum Have Accessory Complete Chevy Big Block Build & Testing - Action-Packed Big-Block Test We Pick Up 116 HP With A Simple Swap To RHS Pro Action Heads, Air Flow Detail #174 BBC Sniper Head - 375cc Runner Pro Filer Sniper Big Block Chevy Heads with 375cc Intake Runner, 2. 030 over 1978 454 for my 72 4sp nova. 880 exhaust valves. Is this to good BBC performance has been as good as a '69 Chevelle going 9. 468" BBC, Procomp heads, I believe 320's. Mild cam with 0. Any thoughts ? Has anyone used the procomp BBC rec. BOTH HEADS PROMISED 800 HP AIRFLOW Pro Comp,patriot, and alot of other names they are being marketed as they are made over seas, they are good heads for the blue collar budget guys like myself who cant afford $2500 Use the Search feature on here. They have Pro Comp BBC heads by digger5 » Thu Jun 22, 2006 6:56 pm I have a bare set of 320 CC Pro Comp heads to use on a 468" BBC bracket engine and have some questions. wceevgveqjjohqagzwj9aezkzhdvwok68itdkvyawwft1m