ThePontiac 301 (Engine Code YN or XN) was the standard engine for all Trans Am's outside of California and was equipped with a 4-bbl carburetor. Referred to as a 4.9 litre V8 to distinguish itself from the Chevrolet (5.0L/305 CID), this was the engine Pontiac's had developed purely for economy. PontiacEngine Torque Specifications. View the Pontiac Engine Torque Specifications for engine repairs and rebuilds. Every torque specification should be in this table, however if there is one missing, please Contact Me and I will get you the spec and add it to the table. This chart covers Pontiac V8 Engines; 265, 301, 326, 350, 389, 400, 421 enginetype: naturally aspirated petrol Engine manufacturer: GM: Engine code: Cylinders: V 8 in 90° vee: Capacity: 4.9 litre 4942 cc (301.579 cu in) Bore × Stroke: 101.6 × 76.2 first posted 1/3/2013) As part of my ever-diligent fact-checking, I wanted to confirm that the 1980 Pontiac Firebird really did come with the Buick V6 as the base engine.Quite true; but I assumed the next step up was the Pontiac 301 V8 (4.9L), which was hardly a fire-breathing monster in its time (135-140 hp), and would be the logical Forexample, even with the modifications to reduce emissions and increase efficiency, AMC's 401 cu in (6.6 L) engine was among the strongest factory-spec engines available in an American car in 1971, with more horsepower than Pontiac's standard 455 cu in (7.5 L) and Chevrolet's 454 cu in (7.4 L) that powered the Corvette. N0fr1. Pontiacoffered the new turbocharged 4.9-liter as an option in the Formula Firebird and Trans Am, coupled exclusively to a three-speed automatic and a relatively tall 3.08:1 final drive ratio AllPontiac Catalina 2-Door Coupe versions offered for the year 1979 with complete specs, performance and technical data in the catalogue of cars gasoline (petrol) engine with displacement: 4942 cm3 / 301.6 cui, advertised power: 97 kW / 130 hp reference weights: base curb weight: 1680 kg / 3704 lbs , more data: 1979 Pontiac Catalina Ifyou wanted a 4-speed manual transmission, you had to get the L37 or the 400-ci engine. The 301 was a credit option, and that means you received a deduction (or credit) off the sticker price for ordering it. In 1979, Pontiac produced 1,530 Trans Ams with the L37 301 engine, 4-speed, and T-Top CC1 option. StockPontiac Head Specs * During my searching for information, I found quite a few discrepancies in the sources I was viewing. Never assume that the volume is at stock spec. Always have your chamber volume measured, especially if you will be pushing the limit of an acceptable compression ratio for your combo. 1979: 301: ALL: AllPontiac Firebird 2nd-gen. Esprit Coupe versions offered for the year 1979 with complete specs, performance and technical data in the catalogue of cars gasoline (petrol) engine with displacement: 4942 cm3 / 301.6 cui, advertised power: 100.5 reference weights: base curb weight: 1600 kg / 3527 lbs , more data: 1979 Pontiac Firebird

1979 pontiac 301 engine specs