Quote:
Originally Posted by Patrick L.
I would not recommend setting base timing more than 12º. Any more than that and the engine could kick back while starting.
A distributor advance putting out 12º equals 24º at the crank. So 36º total is plenty.
So if you have TDC marked on the pulley just raise the engine speed to a good cruise RPM and then guesstimate the amount of timing advance with the timing light. Or add a timing strip and you'll know for sure.
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The Model "B" distributor has only 12 Deg. mechanical advance as measured at the crank shaft, (or 6 deg. Distributor shaft deg.). You could hand crank Model B's with 18-19 deg. initial without a problem at all. Time it the way Henry said to do it and it will be fine.
If you do not have enough initial timing when using a "B" distributor, the engine will be too retarded and will run hot and be down on power.
If you are running a 6.0 high compression head, it is not a good idea to have more than 28-30 deg. total timing at 2000 rpm.
My opinion,
Chris W.