with a timing light, assuming this is an older engine that still uses a distributor.
8 Degrees above top dead center.
the piston in cylinder #1 at the top on the compression stroke
if it has an automatic its 4 degrees before tdc, with the vaccuum advance off and plugged
Need to know which 350, it could be a Chevy, Pontiac, Oldsmobile, Buick,
depends on if its standard or elec.
8 degrees Before top dead center.
6 degrees BTDC / Before top dead center
6 to 8 degrees before top dead center.
4 degrees before top dead center / BTDC
8 degrees before top dead center.
It varies from 4 degrees to 8 degrees before top dead center. I always set them at 8 degrees before top dead center regardless of which 350 it is from that era with the exception of the LT-1.
4 degree before top dead center, is always a good place to start.
8 degrees before top dead center.
6 to 8 degrees before top dead center. STOCK ENGINE
Zero, tdc / top dead center
8-degrees BTDC. Before top dead center. Stright out of the book.
4 degrees BTDC/ Before Top Dead Center.