1970 Ram Air IV GTO 4 Speed

1969 Pontiac GTO Ram Air IV The Original Roar Hot Rod Network

Pontiac's Tunnel-Port Powerhouse: The Ram Air V. Posted on June 1, 2022 by MCG. While it was never offered in a production vehicle, the pinnacle of Pontiac performance in the 1960s was the almost mythical Ram Air V. In the Motor City's muscle wars of the 1960s, all the automakers were fighting a common obstacle in the pursuit of horsepower.

1969 Pontiac GTO Ram Air IV Sunnyside Classics 1 Classic Car Dealership in Ohio!

With the optional $389.68 Ram Air IV engine, Car and Driver piloted a 1969 Judge through the quarter-mile in 13.7 seconds at 103.6 mph. When the model year was over, Pontiac had sold 58,126 GTO hardtops, 7,328 GTO convertibles, 6,725 Judge hard tops and 108 Judge convertibles. The grand total was 72,287 GTOs.

This 1969 Pontiac Trans Am Ram Air IV is one rare bird

Engine on the 1969 Pontiac Firebird Ram Air IV The factory rated the Ram Air IV at 345 horsepower, just 10 more hp than the Ram Air III, but a look at the spec sheet tells a different story.

1970 Ram Air IV GTO 4 Speed

Pontiac's Ram Air IV engine was the fourth evolution of an engine that had helped to create the muscle car as we know it. Premiering in the 1967 Pontiac GTO/Firebird, the 400 cubic-inch RA-I produced 360 horsepower using a large camshaft, a bespoke intake and cast-iron exhaust headers along with unique cylinder.

Ram Air IV Heads, Exhaust Manifolds

It features a Ram Air III engine bored .030-over and is fitted with a Ram Air IV cam. The rest of the combo is stock, including the compression ratio of 10.5:1. Greg's Judge is fitted with a.

This 1969 Pontiac Trans Am Ram Air IV is one rare bird

The Ram Air III and IV used the same performance camshaft, but the Ram Air IV took better advantage of it thanks to an increase in rocker arm ratio—1.65:1 compared to 1.5:1—that netted higher valve lift.

1969 Pontiac TransAm Ram Air IV

The term "Ram Air" first showed up in Pontiac sales brochures in 1968 as the highest-optioned engine for GTOs and were essentially the same as the 400 H.O. engine from 1967. Pontiac purists consider these to be the first Ram Air equipped cars—not Ram Air I, but simply Ram Air, with no numbers.

1970 Ram Air IV GTO 4 Speed

Bid for the chance to own a 1969 Pontiac GTO Judge Ram Air IV 4-Speed at auction with Bring a Trailer, the home of the best vintage and classic cars online. Lot #64,974.

1969 Pontiac Firebird Trans Am Ram Air IV Hagerty Insider

The Ram Air IV, of course, was Pontiac's big-deal 400 in 1969. The big news was all up top, based around a revised set of Pontiac's "round-port" cylinder heads, a reference to the reconfigured exhaust port outlets that had first been used on the 19681⁄2 Ram Air II engine.

Ram Air IV Heads, Exhaust Manifolds

1 33292 lap times and 40162 quarter mile, 0-60 times for 16461 cars and 613 bikes. © FastestLaps.com 2024 1969 Pontiac GTO Judge Ram Air IV specs, performance data, engine specifications, pictures, updated December 2023.

1970pontiacgtojudgeconvertibleramairiv Journal

Ram Air V Background Pontiac's Ram Air V program is, without a doubt, one of the most mysterious and legendary projects in the division's history. Operating under the infamous GM Racing Ban.

1970 Pontiac GTO Judge Ram Air IV 400/370 HP, 4Speed Lot F232 Kissimmee 2017 Mecum Auctions

It is generally accepted that in 1970 Pontiac made 12* GTO Convertibles equipped with the Ram Air IV (WW) engine and the 4-speed Muncie transmission. What is left to conjecture is how many of them still exist? At this writing, the speculation is that there might be only 2 or 3.

1969 Pontiac Firebird Ram Air IV The Milton Robson Collection RM Sotheby's

The Pontiac V8 engine is a family of overhead valve 90° V8 engines manufactured by the Pontiac Division of General Motors Corporation between 1955 and 1981. The engines feature a cast-iron block and head and two valves per cylinder.

1969 Pontiac Ram Air IV GTO Hot Rod Network

This design (versus Pontiac's typical D-port heads) was introduced in April 1968 as the Ram Air II, then was improved for 1969 as the RA IV and continued into 1970. With a cam that spec'd at.

1969 Pontiac GTO Ram Air Iv Convertible VIN 242679B169050

1969-70 Ram Air IV. As the successor to the Ram Air II, the 370-horsepower RA IV is most often considered the most powerful GTO engine. It featured revised "722" round-port heads but shared the 041 cam. It initially was supposed to have four air intakes (the other two in the valence), but that didn't make production.

1970 GTO Ram Air IV Exception To The Rule Hot Rod Network

The Ram Air IV's "041" camshaft carried 308 degrees and 320 degrees of intake and exhaust duration, respectively, with 87 degrees of overlap. With the higher lift rockers specced at a 1.65:1.