the first plug on the drivers side up near the radiator.
No, the blocks are different.
It's an Olds 403.
yes i think so
The positive integer factors of 403 are: 1, 13, 31, 403
The blocks were physically the same size so I don't see why not.
403 is divisible by 1, 13, 31 and 403.
Intake manifold torque specifications for the Olds 403 is listed as 30 ft-lbs.
The spark plug gap for a 1977 Olds 403 is listed as .060 inches.
The unit is at the front of the engine near the oil filler neck. Its a little cylinder with an electrical connection at one end and a pipe into the engine at the other.
Cylinder #1 is the drivers side front cylinder on the engine. Drivers side is 1-3-5-7 passanger side is 2-4-6-8.
I didn't see a specific year year you're interested in, however a 1978 Olds 403 is listed as 18 degrees initial timing (detach and plug vacuum advance hose while setting initial advance).
1-3-4-2