timing light..what are you running

if all else fails GO OLD SCHOOL use your ears & the seat of your pants lol

There are still people that do this.

SOme of the best.

Power brake it and twist the dist till it pings and back it off a touch.

I set it by ear..

Set it to 38 degrees at 1800 RPm and yer good to go.

Yup, heard all of those this season.