Mech Advance Only Distributor Timing

[69boss429]

Originally Posted by scottj

My motors always ran best without any advance so I've always lock out my distributors, but my cams have always had 260+ degrees at .050". On my 11:1 motors I didn't need the MSD start retard box as they always started without issue, but it was required (-20deg) on my high compression motors or they would blow teeth off the starter ring gear. A dyno is needed to determine optimal timing.

Scott

Question,
When you set the timing with your locked dist where do you set the mark?
With a digital timing light do you set total at TDC (say 32 deg or whatever your max is) mark or BTDC