your post is hard to decipher...
but taking a little timming out will help get more mph..sometimes it translates into better et if the shift points hit the spot.
fwiw..

cheapst


365" Iron J heads,,3480lbs best 1.39 60ft on SS springs.10.54,124 mph ...6.67 1/8th et.average 60fts 1.46 w/ small cam &.063 no2 pill tagged & insured
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