Factory recommended back then would have been 10w/30 or 40.
See link
6 Quarts with filter change
.035
New points, .019"Used points, .016"
Depends on which version of the 400 and which car it went into. They ranged from 265Hp to 370Hp
It looks like the same body but the VIN #'s won't be right
yes
The 326 thru 455 Pontiac engine has the same external dimensions. You should be able to swap your original A/C brackets from the original engine to the 455. It won't take any body mods at all.
Pontiacs typically like 12-14 degrees initial timing. It's a good starting point.
how many 1969 pontiac firebirds were painted espresso brown
The Pontiac Sprint 6 cylinder engine was produced from 1966 till 1969. The engine had a 4 barrel carb set up and could...with proper tuning produce over 300 horsepower. It was killed due to its tall shape and difficulty in placement under the hood
Firing order is 1-8-4-3-6-5-7-2. The distributor rotates COUNTER clockwise.