WebPontiac produced 4 versions of the Ram Air V engines. A 303 cubic inch (4.97 l) to use for Trans-Am racing. A 366 cubic inch for NASCAR, A 400 cubic inch, and 428 cubic inches for drag racing. A dealer-installed option the Ram Air V engines are very rare. 428. The new 428 had a 4.12” bore and a 3.25” stroke with a total cubic inch of 426.61. WebInformation and specs for the Pontiac 400 V8 engine. ... In 1980, Pontiac decided to use the Pontiac 301, 4.9 V8 engine to replace the 400. ... 1967-1970 Ram Air III with 4-Barrel Carb …
Pontiac 400 V8 Specs, Firing Order and Engine Information
WebThe second generation of Pontiac Trans Am was introduced for the 1970 model year. The Trans Am was a performance package option for the Pont... Learn more. There are 93 Pontiac Firebird - 2nd Gen for sale across all model years (1970 to 1981) and variants, 75 are Trans Am and 6 are model year 1970 . There were 851 Trans Am sold in the last 5 years. WebPontiac Engine Torque Specs; Pontiac Cars (Body Types) Pontiac Engine Information; Instruction Sheets; Compression Calculator; Ask a Tech Question; Customer Service. Returns; ... Description: Pontiac Ram Air D-Port Exhaust Manifolds for 1968-1972 GTO (A-Body), 70-81 Firebird (F-Body), 2.5" Outlet (Pair) (Requires 2- FL-1-OS / H-1 Hardware Kit) ... chinese beer duck recipe
Inside the 455 Super Duty - Tech Articles - High Performance Pontiac …
WebAll Pontiac engines included a new EGR system, ... These blocks were used until the W72 engine reverted to the original specifications from the start of the decade with the 481988 cast in late 1977. ... Ram Air IV Pontiac V8 345 bhp (257 kW) 1971: L75 455 cu in (7.5 L) Pontiac V8 325 hp (242 kW) WebMar 1, 2009 · See all 31 photos. Here's the "standard" Ram Air V induction system that came with the 400ci crate engines. It's a dual-plane, high-rise intake with a 780-cfm Holley four … WebMar 11, 2024 · This meant that its standard engine was the L74 400 (Ram Air III) version of the 400-cu.in. V-8 (i.e., the 400 H.O. with functional ram air). Though it was new to the Pontiac performance lineup in 1969, the engine shared its 4.12- x 3.75-inch bore and stroke, 10.75:1 compression ratio, and Quadrajet-style four-barrel carburetor with the base 400. grand cherokee payload capacity