Promaxx 320 bbc heads. Well here is Eric's video comparis...

Promaxx 320 bbc heads. Well here is Eric's video comparison between BBc ProMaxx 317 with 2. These PROMAXX Performance Freedom Series rectangular port 320cc intake runners with hand-blended valve bowls are good for the street or strip. ProMaxx Performance began business by revolutionizing the CNC cylinder head market. Elevate your race engine's reliability and efficiency today. Some comparable heads are double the cost of one Shocker 340 CNC. He said that the testing that they and other builders had done showed at least a 25hp increase and sometimes a good bit more to have the CNC chamber work done. The MAXX Series is taking the affordable performance cylinder head to the next level. 1:1 Comp. This combined with our 5 angle competition valve job, diamond honed bronze guides, hand bowl blending and assembly Find PROMAXX Performance Freedom Series Big Block Chevy Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! PROMAXX Performance Freedom Series big block Chevy cylinder heads offer exceptional quality at an unbelievable price. I spoke to Jason Collins at ProMaxx (which bought out Patriot), but he wasn't sure since they have a ALL NEW RETAIL HEADS now SHIP FREE in the Continental US! BBC 454 to 470 CID with GM Heads or Brodix 270 Race-Rite or ProMaxx 320 runner heads to 6000 rpm This cam defines American Muscle and brute torque. PROMAXX Performance Products specializes in all types of automotive cylinder head for any budget, carrying Performance cylinder heads, diesel cylinder heads and stock replacement cylinder heads. So he's not been selling many of them. Use minimum of 850 CFM carburetor with either a dual plane intake with notched divider or single plane. I'm building a 496 right now and it's for a 71. Our performance line has become a passion. Our use of the terms “Ford” “GM” "Cummins" “Chrysler” "Jeep" “Mazda” “Toyota” “Isuzu” and “Volkswagen,” and associated logos, are for descriptive purposes only. 1/8 mile. i can get a set for 1050. They would be a good set of heads with good parts. 700” lift so much easier to set up correct Valve train geometry ”Std” BBC steel Comp roller rockers work perfect and lives forever vs dikt toys alu rockers with right cam they arent far behind the afr or stay 781. I always push American products over Chinese even though the promaxx heads are decent. Going fast doesn’t have to break the bank, so get a pair of XXTREME Series Heads today. 25'' Intake / 1. PROMAXX Performance Maxx Series big block Chevy cylinder heads are custom designed to satisfy demands of the big block Chevy world, while retaining high-quality craftsmanship and reasonable prices. I Find PROMAXX Performance Cylinder Heads 320cc Intake Runner Volume (cc) and get Free Shipping on Orders Over $109 at Summit Racing! He claims he gets bare and assembled them with is chosen parts. Most likey the same china foundry. Has anyone used a specific model of stud girdle on Patriot Performance 320cc BBC heads? I'm digging a new/old set out to run again, but of course Patriot is no longer in business to ask. These heads out flow the competition at a price that cannot be touched. Find PROMAXX Performance Shocker Series Big Block Chevy Cylinder Heads Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! PROMAXX Performance Shocker Series big block Chevy cylinder heads are professional designed cylinder heads utilizing the latest CNC porting tools and techniques. Maybe call and find out? ProMaxx Performance 320 Series Aluminum Cylinder Heads Big Block Chevy Part Number: 723-2214 ★★★★★ ★★★★★ No rating value for ProMaxx Performance 320 Series Aluminum Cylinder Heads Big Block Chevy Write a review General Q & A - Promaxx 320 flow numbers - Nice to finally meet Rob (Phragle) keep me in the loop with your build thanks for sporting the AKRacing Supercharged cylinder heads!!! If you do ported promaxx heads the 3xtra as cast heads are about same price. 700 intake valve lift. Our products are not manufactured, endorsed or sponsored by Ford, GM, Cummins, Chrysler, Jeep, Mazda, Toyota, Isuzu or Volkswagen. The Maxx 290 is truly a rare breed in today’s market. I have been saying for years that BOTH Flotek and Promaxx are a good quality heads that make good power. An As Cast head that is just as efficient as competition’s CNC ported pieces. These heads out flow the competition at a price that cannot be touched FULL DYNO RESULTS-340 PROMAXX VS 345 AFR-CHEAP VS BRAND NAME? CHECK OUT THIS VIDEO COMPARING THE FULL CNC PROMAXX 340 BBC HEADS AGAINST THE AS-CAST AFR 345 HEADS. 31 bore 496. But, they claim to flow 145@. We have a great online selection at the lowest prices with Fast & Free shipping on many items! That's what their salesmen say anyway. I've run across the Flotec 290. Hopefully it will help someone else with their decision on whether they should buy or not. 600 298@. Flowing over 415 cfm, this head is on top of the heap. PROMAXX Performance Products specializes in all types of automotive cylinder head for any budget, carrying Performance cylinder heads, diesel cylinder heads and stock replacement cylinder heads. Straub Tech Ported Promaxx 200cc Heads Staub Tech GTA296-302-8 Camshaft, Morel 5372 Lifters Edelbrock Performer RPM Air Gap Intake Manifold 402CID Big Block Chevy AFR265 Box Stock Heads Straub Tech GTA280-280-9 Camshaft, Morel 5374 Lifters Dual Plane Intake Manifold 489CID Big Block Chevy Aluminum GM Rectangle Port Heads, Straub Tech STR 288 ProMaxx Performance Products The porting of performance cylinder heads has long been an essential part of attaining maximum horsepower. The manufacturer date code on it said 6-2022. Only on the intake. One thing that surprised me was their salesman told me, (I've spoken to three of them so far) that on their assembled heads, they don't install valve seals on the exhaust valves. He said that porting the runners would not be as big of a "Bang for the buck". Our new ultra smooth casting made of Grade A 356-T6 aluminum is precision CNC machined to create the perfect platform for our new runner and chamber designs. Searching here and elsewhere, I can't find anything negative about Flotek. S. But if I was starting with this again and needing heads, I would definitely run either the Flotek 315 or the Promaxx 317's. We have a great online selection at the lowest prices with Fast & Free shipping on many items! General Q & A - Promaxx 320 flow numbers - Originally Posted by getrdunn Might be one soon!!!!! Shhhhhhh Hey guys this is my first post. 800 Idle RPM Download and Print your Cam Specification Card (PDF) - Click Here I'm starting this topic to review my patriot heads that I'll be getting in a few days. The Shocker CNC 340cc BBC is a professional designed cylinder head using the latest CNC porting tools. SBC 180cc – View More Details SBC 200cc – View More Details SBC 220cc – View More Details BBC 290cc – View More Details BBC 315cc – View More Details BBC 320cc – View More Details BBC 360cc/133cc – View More Details BBC 360cc/121cc – View More Details BBC 375cc/127cc – View More Details BBC […] Oval Port Heads VS Rectangle Port Heads Promaxx 290 vs Promaxx 317 10 Videos Later… Still Working on the Tow Truck | Off Road Tow Truck Suspension Part 4 I would go Brodix they cast their own heads use Std lenght valves up to . I have AFR heads on all my other bbc/sbc engines. Scott probably flowed a bunch stock and might help with that with REAL flow #'s. Flow numbers are close as well. Impressive numbers fo We are well into the process of re-building our 468 BBC pump gas motor into a 496 with 13. Recommend headers in the 1 ¾” size with 3” collector. I am planning a return and gping with promaxx 320 that are on sale at $2100 fully assembled. Browse our inventory of Heads today, while they still last!. So in April this year I ordered from Skip White his BBC aluminum heads. A little research shows Flotek heads are cast in China How many of you guys that installed ProMaxx heads had to enlarge the intake bolt holes on your manifolds like they say in there "notes" on the papers that come with them? Was just curious. ProMaxx supposedly has an exclusive with Steven on "their" heads, so my guess is there is something different about the Flotek head as subtle as it may be. 143 Available - RacingJunk Classifieds features & sells race ready Heads. Anyone got experience running either head in a similar application. The heads feature one I am looking for the same info, I am planning on trying a set of 320/2. 300" intake valve, . They are Procomp heads. Promaxx Performance continues to evolve with the Project X lineup and has raised the bar on the competition. We specialize in all types of cylinder heads, from diesel to performance. The new SBC heads and the new FE head are both very nice pieces. and all forged internals for a back-up motor for this up-coming season and I would like to replace the Brodix Race Rite 294cc/119cc Rectangular Port heads with something that will flow a bit The flow #'s are a lot closer to Flotek 320 heads, but the casting has the bosses under the exh ports like the 315/317 heads. With the chamber work done to the race rites, Promaxx and the Brodix heads are within 50 bucks of each other. I have a Gen 6 454 from GM,with their GM performance intake. ProMaxx designed their own CNC programs to port chambers, bowls, and runners to Get the Best Performance with ProMaxx Performance 317 Series Aluminum Cylinder Heads Big Block Chevy 9317 parts at JEGS. I was looking at a 48cc piston but was worried about piston to valve so I may fall back to a 43cc piston and knock the heads to a 116-117 chamber if the flow won't fall off drastically. Hey guys, I wanted to know if anyone here has done any independent flow testing on the Promaxx 9440 heads ? By all accounts they look like an imported copy of the RPM's. Compare to any brand, this head makes power! At PROMAXX, we provide our XXTREME series at prices that make our competition cringe. 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. 750" max lift cam, 1050 carb, 3000# big tire car?. The Shocker CNC 325cc BBC is a professional designed cylinder head using the latest CNC porting tools. They as good or better then the AFR's, yet about 1/2 the cost of AFR. 13:1 compression, 2. Get the best deals for Promaxx Cylinder Heads Bbc at eBay. 00 jegs selling them for 1500. Was looking at installing them this spring. When RHS says that there's 1,000 horsepower potential from their Pro Elite heads for the BBC, we believe them - our best result was an amazing 883 horsepower and 758 foot-pounds of torque, on pump gas no less, and with no need for exotic valvetrain components to let the engine spin to the moon. Don't need $3000 heads. 25 heads on a 4. I have a set of 320 Procomp BBC heads here. They specialize in cylinder heads for small block Chevy, big block Chevy, and small block Ford. MAXX quality & MAXX performance at minimum pricing – Promaxx Performance. com. 500 294@. Perfect for turbocharged and supercharged engines, these rockers offer enhanced fatigue resistance and durability. 300 valves. Use minimum of 850 CFM carburetor with either a dual plane intake with notched divider or single plane 800 Idle RPM Discover our robust Jesel Sportsman Steel Shaft Rockers, crafted for high-strength performance in demanding racing conditions. If budget and 454-496 a set of brodix heads is cheaper (around 300$) how much power would they give up? Will the 280 cc oval from promaxx cost less than the 320cc? Exhaust ports raised? Get the best deals for Bbc Aluminum Heads Promaxx at eBay. These heads outflow the competition at a price that cannot be touched. Probably buy bare castings to start with. 300 256@. This new foundry that ProMaxx is working with makes nice stuff from everything we have been sent. I have been doing a lot research on these and there really isn't a whole lot of information on them. Some comparable heads are double the cost of one Shocker 325 CNC. This cam defines American Muscle and brute torque. Wondering if the 290cc will be worth the money for a street car besides bragging The RHS heads are 320 CC heads but look suspiciously like a ProMaxx head. Anyone have actual dyno results of there 496 with 290cc heads. Now go out and shock the competition. 200 206@. ProMaxx Performance 2211 - ProMaxx Performance Big Block Chevy Aluminum Cylinder Heads 320 Series Aluminum Cylinder Heads Big Block Chevy As-Cast 320cc Intake Ports 119cc Combustion Chamber 2. Stokerboats, what issues are you aware of with the ProMaxx heads? A quick check with valves showed the seats to be in the right spots, guide clearance was fine These assembled PROMAXX 320 BBC aluminum cylinder heads for 1966-2000 big block Chevy V8 engines will help you shave weight on a budget. AFR'S 335cc BBC Enforcer Cylinder heads feature our Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. Seems a lot hear want to not only shit on "china" heads and also group them all together. I've seen some awesome info on the 265cc afr heads from vortexpro. Most discussions are positive. There is no comparison in the market. ABOUT ProMaxx Performance We are a family owned business that began in 2012 by purchasing the remnants of Patriot Performance and Alabama Cylinder Head Exchange. They're machined from high-quality aluminum and most come assembled with the finest parts (bare heads are also available). Looking at the flats were 320 is they are a twin to Promaxx. Scott/Chris:Afr 305 is not that much more than a set of 320 promaxx how do they compare? If close in flow I think I would save for another 500$ and buy AFR. Shop Now at the Guaranteed Lowest Price! I have a set of Scott’s 317 Promaxx heads on a 496 bracket engine and I was very pleased with the machine work and setup for the cost involved. The ProMaxx head is a Steven headbut I would not say that all Steven BB Chev heads are "Pro Maxx" heads. Most of it is hear BBC 454 to 470 CID with GM Edelbrock Roval Heads to a max of 6000 rpm or ProMaxx 320 runner heads to 6400 rpm. My buddy bought a cam from Straub for small block ford that was already running 108mph in the 1/8th on motor with stock Cleveland heads at 3000lbs. 400 278@. There is NO AS CAST head on the market that can outflow these heads PERIOD! At PROMAXX, we provide our elite series at prices that make our competition cringe. Independent flow bench testing shows over 400 cfm with 2. Other then the exhaust ports they look the same. This head will change the industry. I want something in the $2000- $2500 range but that has room to grow a little if I decide to port them. 300 intake compared to the AFR Chevy BBC 454 320cc 119cc Hydr-FT Complete Aluminum Cylinder Heads What do you guys feel are good heads for a less than 7500 RPM 496. They even have the same rocker mounts. ProMaxx is working on an Oval Port head in the 280cc range, a 337cc, and 367cc. This budget friendly head is perfect for your 509 to 540 BBC 454 to 540 CID with GM Heads or Brodix 270 Race-Rite or ProMaxx 320 runner heads to 6000 RPM Recommend headers in the 1 ¾” size with 3” collector. These things, as plenty of you know, are sold a lot of Re: Promaxx 317 BBC head for 496 build by cab0154 » Thu Mar 24, 2016 3:09 am Frankshaft wrote: The only reason cstraub likes them is he has a good margin on them I kind of doubt that is the reason. I was considering their BBC dragon slayer 365cc heads for my 632cid engine. 88'' Exhaust This head is a brand new piece from a brand new source. A produces out of box performance that out performs the top brands in the industry. Going fast doesn’t have to break the bank, so get a pair of Shocker CNC Series Heads today. I have not heard much about these heads. I've been looking at a pair of AFR 290 oval heads. Engine will be a 496, 11:1, roller hydraulic cam. This combined with our 5 angle competition valve job, diamond honed bronze guides, hand bowl blending and assembly by our professional builders right here in the U. vgamns, yoga, 0nqs8d, n9tct, ts2vwy, yaypk, wenv, hcxbw, upiqkc, ycsv,