Re: msd pro billet spring setup
one weakest spring and one middle spring...
depending on how much initial your cam likes ( i run about 17 initial, 18* bushing for a total 35 degrees.)
alot of people run less initial. in which case use 21 or 23?? bushing to get around 34-36 degrees total. use timing tape (appropriate for your size balancer) if you don't have aftermarket balancer. try to have all in by 3000.
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