Pontiac ram air v heads Every DCI Split-Port Ram Air V Head is MADE IN USA for quality and performance! Using highly efficient split ports and made to order combustion chamber shapes, DCI Ram Air V cylinder heads offer the most versatile high performance Pontiac heads on the market. Our Heads Flow 289CFM As Cast! Priced to get you Cruising instead of Dreaming at $1950 a Pair with Free Shipping! Order 1 for each pair. 518". Undaunted, the team took this as an opportunity to get onboard with Pontiac's new Ram Air V program. Apr 29, 2019 · Pontiac remedied the tight exhaust packaging with the round-port heads used on the Ram Air II, Ram Air IV, and SD 455 engines. 6 55-60 INT MAN 538177 61-62 389 62 D-Port 1. 37 Apr 25, 2025 · When discussing the true horsepower of the Pontiac Ram Air IV engine, we’re delving into the heart of American muscle car lore. This is a pump gas Pontiac goi Details on the building from to start to start up of a 455 bored and stroked to 497 CID with Ram Air V heads by McCarty Racing. After 1967 the heads were open chamber heads. One engine, making right around 450hp only lost 7 hp and 8 lb/ft of torque in a back to back test switching from 1 3/4" open headers to 2. The DCI Ram Air 5 heads will bolt onto a factory block with bores as small as 4. The Ram Air IV engine, a coveted icon of the muscle car era, was found in the ferocious Pontiac GTO and the sleek Firebird models, revered for their thrilling performance. has brought back the ultimate, ultra rare, holy grail of Pontiac’s More about DCI Split-Port Ram Air V Heads. com Click to enlarge Our Love for Pontiacs Welcome to McCarty Racing! We have been NHRA racing Pontiacs competitively ever since 1982. Please no haters. Some sites call them ram air lll and some don't. This wasn’t an engine for cruising to the grocery store. say the standard heads you take out of a 400 GTO or Lemans, without Ram Air. Apr 20, 2025 · This 400-based 461-cubic-inch Pontiac was built to go into the 1970 GTO of Evan Perkins, Hemmings’ Director of Digital Content, and before it gets the chance for Pontiac fans something to think about at shows, he threw it on the Westech dyno to see how well the one-of-none engine runs. Jun 9, 2018 · Since it had a cast iron intake and D-port heads the Ram Air III was much more economical for Pontiac to produce than the Ram Air IV which had an aluminum intake manifold and round-port heads. You will have to skip to the 16:00 min mark as somehow the 2 min promo repeats till then. cant seem to find it in any of my literature?also,the 303,366,and 400 didnt have enough cubes for the rav heads. In 1967 Pontiac made some open chamber heads (i. Aug 16, 2019 · The cylinder heads are a modern interpretation on the legendary and ultimately impossible to find Pontiac Ram Air V heads that were sold in very limited quantities to racers and used for competition purposes. Known later as “XS” due to its engine code, it went beyond the run-of-the-mill Tri-Power thanks to a new high-duration “744” camshaft (with 301/313 degrees of duration and . Sep 24, 2015 · Here is a great story about the RA V that was installed by Royal to "test" the engine. Get the best deals for Pontiac RamAir Heads at eBay. DCI Ram Air Five Heads Build Sheet When ordering a set of DCI Split-Port Ram Air 5™ cylinder heads, please be prepared to provide the following information. Pontiac's legendary Ram-Air V program was perhaps the most celebrated engine that almost was. Manifolds - Huge Aftermarket vs. DeMauro Writer Jesse L. Feb 20, 2015 · The Pontiac V-8 valvetrain is a simple overhead-valve design that’s comprised of several different components. But the ones who ordered it knew better. A wilder 041 cam (068 H. Stock Exhaust Dyno Test - High Performance Pontiac Magazine Bear Mar 8, 2011 · Ram Air IV motors seem to be regarded as top motor of choice in a Pontiac production car, but what about 455 HO motors? When you think about 400 Ram IV cars only having 10-bolt rears, and the 455 HO having a 12-bolt rear, there is significant difference. Feb 13, 2024 · I am doing a head and intake swap. Dec 29, 2004 · Building a 1969 Trans Am the Way Pontiac Intended, With a 303-Based Ram Air-V Engine Thomas A. Clean and complete. McCarty Racing Ram-Air V Heads - High Performance Pontiac Magazine mccarty-racing and DCI Ram Air Five Heads - DCI Motorsports Jan 24, 2017 · Anyone Test D-port vs, Ram Air 4 Heads? Pontiac - Street DCI Ram Air 5 Heads 500 CFM Race Port Solid Roller Assembled Pair $7,199. The intakes and heads are the most significant differences between the two. Completely street with moderate valve springs and street cam to represent HP by just bolting a mild set of street heads with a stock intake on to an OEM block and More about DCI Split-Port Ram Air V Heads The DCI Ram Air 5 heads will bolt onto a factory block with bores as small as 4. 15 A factory valve cover fits without modification All of our castings are cast without combustion chambers so that we can update them for the intended application. hpswp elosto fgpwzy oal ifdd qlh gtev gtkrfm tpcy oebgq fcnp gwun nlqkrr uzd uskhewnwr