6 degrees advanced, or BTDC.
6 degrees advanced, or BTDC.
6 degreed advanced or BTDC.
I would set it by ear, and performance.
4, to 6 degrees advanced or BTDC.
4 degrees before top dead center
Right around 6 degrees advanced, with todays pump gas.
6, to 8 degrees advanced, or BTDC., will work best.
Loosen the distributor, and turn it counter clockwise. This should be done with a light in measurable amounts.
You have to degree the motor, with a degreeing wheel, which requires a major teardown, unless it is on the stand.
The 400 Chevy is a small block engine. The 400 BIG BLOCK Chevy does not exist! 402 big block Chevy does. it seems in the early 70s Chevy put 402s in their pick ups and they had 400 badges. this opened the can of worms known as the non-existant big block 400.
yes