Izz,

Warren is right, you set idle mixture with a vacumn gage, not timing. Do the timing first, then the mixture with a warm engine.


'31 Chevy 1 1/2 ton,
'42 GMC 2 1/2 ton 6x4,
'52 GMC 2 1/2 ton 6x6,
'53 GMC 5 ton