.020 If you have a dwell meter it is 30 degrees of dwell.
28-32 degrees.
pontiac made the GTO the year of the car started in 1968. i would recomend the 1969 GTO judge
Gto
Dwell=30. Timing +6
5
the dwell specs are 28 to 32 degrees, I always just set the dwell at 30 degrees.
I believe the 400 cu. in. had 335 horse.
SAE 10w-40
Yes. It will bolt right in with 1968 motor mounts.
call year one and see if they have a book on it.
The car specs for a 1968 GTO are 2-door convertible sides, 400 cu inch V8 engine, 3 speed automatic transmission, and 112.0 inch wheelbase. The lenght of the car is 200.5 inches.