The spark plug gap for a 1977 Olds 403 is listed as .060 inches.
According to one of Fords websites : For a 1977 Ford Bronco , 5.0 L / 302 cubic inch V8 engine : The spark plugs are gapped at ( .044 inch )
In 1979 Pontiac did not make available any 455 (cubic inch) engine. The largest available was a 400 4bbl in the Pontiac Trans Am (220 net horsepower). Also the "rocket engine" description was only applicable to the Oldsmobile Division. The 455 Rocket Engine (Oldsmobile) was discontinued in 1977 where the largest engine was the 403 cubic inch Rocket Engine V8 rated at 185 net horsepower available on the 98 (a 350 cubic inch was standard) and the Toronado. It was also sold to the Buick division and available on the Riviera.
.044 inch
around 18 with 305 engine
No, the 403 didn't come out till 1977.
On Average it's 450 Pounds
The 77 has better metallurgy. Any advantages of the 68 318 are not specific to the block.
That would depend on what size engine you have
In a 1977 Ford Pinto ( from the factory ) 2.3 litre / 140 cubic inch four cylinder engine ( 92 horsepower ) 2.8 litre / 171 cubic inch V6 ( I believe is 103 )
The 1977 Dodge Aspen was available with several engine options, including a 3.7-liter (225 cubic inch) slant-six engine that produced around 105 horsepower, and a 5.2-liter (318 cubic inch) V8 engine that generated approximately 150 horsepower. There was also a 5.9-liter (360 cubic inch) V8 option, which offered around 245 horsepower. The specific horsepower would depend on the engine choice and configuration.
The firing order for a 1977 Oldsmobile Delta 88, which typically features a V8 engine, is 1-8-4-3-6-5-7-2. This order is crucial for the proper functioning of the engine, ensuring that the cylinders fire in the correct sequence for optimal performance. Always refer to the vehicle’s service manual for specific details related to your engine type.
.044 inch ( according to fordparts.com )