That’s a expensive racing distributor and I think you have shot your self in the foot some with that if the car will be used mainly on the street due to it not having vacuum advance.
That being said You clearly need to read thru that MSD instructions for it again.
If it’s the 8563 model there is tons of timing adjustments that can be made inside that distributor!
I say this because of your comments about having 18 degrees of initial timing.
I think what your mistakenly taking about is the black colored limiting bushing that gives a max of 18 degrees available.
If you had 12 degrees initial then with the 18 degree limit from the bushing you would have good safe total of 30 degrees above 4000 rpm or so.
Once again your motor would not crank over hot with 18 degrees of initial timing, that is unless you have very very low cylinder pressure.
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I do stuff for reasons.
Last edited by 25stevem; 08-06-2022 at 12:59 PM.
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