Quote:
Originally Posted by gmonde
has anyone seen any et and mph benefits on retarding the timing back once in high gear or even at a certain higher rpm range ,, i am going to install a micro switch on my shifter and tie it into the 6al plus that can retard as much as 10*
gmonde
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On my 71' 402 low comp.stocker,I take out 4* after it's in high gear.Seems to be worth a couple of ticks and almost a mph...gsa612