Thread: Retarding initial timing
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Old 07-26-2014, 09:35 PM
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Sieg Sieg is offline
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The MSD Blue bushing is 21* so you had 37* total.....FWIW.

As set you're getting full spark advance at 4,500 rpm.



What's your car weigh?

What trans?

What gear ratio?

What tire height?

How much vacuum at idle?
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