New Guy, Hello Team Buick

[Pennabuick]

I have just purchased a 1967 Buick GS 400 with a 3-spd manual trans. It is not running. I want to turn the engine over by hand (or wrench) does anybody know the size socket to use on the crankshaft pulley?

Thanks in advance

 

[firstofeight]

socket

Probably 1 inch.

Ben