Quote:
Originally Posted by Gaz64
If the distributor is static timed at 10BTDC on the balancer, it should show up as 10BTDC on a timing light.
Ignition timing is always quoted in crankshaft degrees. Distributor degrees is half, but irrelevant.
What timing light are you using?
What camshaft is in the engine?
By the sound of it, you have 16 degrees of mechanical advance, what distributor is this?
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Well I guess that blows my theory for being at 20 degrees
Using an older Sun timing light dial less
Bought car used so I do not know cam, but it does not sound real Lopey
Dist is Mallory Unlite for 351w. (Note, inset says it has 24 degree advance) however like I said at base of 20, fully advanced I am reading 34-36.
Windsor has alum SVO heads with rollers.
Only other notable issue, is my manifold vacuum is low at idle at approx 10". If I set timing at 10 degrees, vac drops to about 7"