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On the 8005A, getting to 150 on the seat gets me to .065 from coil bind.


I’m not sure how you come up with that(unless the springs have lost some load).
1.840IH should put you at 149 on the seat, springs coil bind at 1.160, for a total travel range of .680”.
.680”-.568”= .112”

Also, the rocker ratio would be calculated from the gross lift at zero lash.


68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads