Thisreplaced a 301 engine that had been used for one year in 1977. Three 350 CID V8s were available, and produced either 155 or 170 horsepower. Engine Specifications. Type Size Carb Horse Power Tourqe; V6: 231ci: 1x2bbl: 105 hp @ 3400 rpm: 185 lb-ft @ 2000 rpm: LM1: 305ci: 1979 Pontiac Firebird. 1977 Pontiac Firebird. You may also Hereand now, in 1979, there is no tomorrow for the big-engined Trans Am. For the 400 T/A Pontiac engine, this is the last year. The likes of the mighty Trans Am, as we've known it, won't be seen Paul I don’t know if you have owned any 305 Chevy’s but they are not torquey engine. In fact a 301 Pontiac does make better low end power than the 305 2-bbl. Here are the stats for a 1977 301 Pontiac and 1977 305 Chevrolet, both 2bbl (Rochester 2GC) Chevrolet: 145 hp @ 3800 RPM. 240 ft-lbs @2400 RPM. Pontiac: The301, together with a new, 151-cu.in. "Iron Duke" inline-four, made up Pontiac's "new family" of engines introduced for 1977. The two had identical bore and stroke specifications, allowing them to share their tin-plated aluminum pistons, piston rings and connecting rods. ThePontiac V-8 uses a positive displacement oil pump to pressurize the lubrication system and disperse oil throughout the engine. Lowperformance applications received an oil pump regulated to 40 psi, Theend of the 400-cubic-inch engine was nigh at GM, and breathed its last as 1979 went away. Pontiac, however, refused to read the no-performance memo: the one that suggested that once the 301 (really 301.6 cubes, which rounds up to 302, but whatever) became the only V-8 available in a Trans Am, the division's focus could no longer reside QoIbA. Theoriginal 1970 Pontiac 455 'big block' V8 was good for between 360 and 370 horsepower and 500 lb-ft of torque. At first glance this didn't transcend the 370hp on offer by the Ram Air IV version of the 400 V8 available in the GTO that same year, or even Pontiac's 366 horsepower Ram Air III 400 motor. Part of the deficit was explained by the The1977 Pontiac Trans Am gets all the attention, what with its starring role in Smokey and the Bandit, but to me, the turbocharged 1980–81 Trans Am is the most interesting second-gen Firebird Specsdatasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Firebird Formula 4.9-litre V8 2-bbl automatic in 1979 the model with 2-door fastback coupe body and V-8 4942 cm3 / 301.6 cui, 100.5 kW / 137 PS / 135 hp (SAE net) of power, 325 Nm / 240 lb-ft of torque, 3-speed automatic powertrain Specsdatasheet with technical data and performance data plus an analysis of the direct market competition of Pontiac Firebird Formula 4.9 Liter V8 in 1980 the model with 2-door fastback coupe body and V-8 4942 cm3 / 301.6 cui, 112 kW / 152 PS / 150 hp (SAE net) of power, 325 Nm / 240 lb-ft of torque, 3-speed automatic powertrain offered since October The301, together with a new, 151-cu.in. "Iron Duke" inline-four, made up Pontiac's "new family" of engines introduced for 1977. The two had identical bore and stroke specifications, allowing them to share their tin-plated aluminum pistons, piston rings and connecting rods. Theengine was factory rated at 220 horsepower but the NHRA dyno’d a stock W72 at 260 horsepower. The W72 engine option was available from 1977 to 1979, During this production run, Pontiac built more than 350,000 Trans Ams and Formulas and 20 percent were equipped with the W72 engine. The only other car to get the W72 was

1979 pontiac 301 engine specs