I know long time ago ,, back in 83, my 70 duster 340, 11 to 1, stock 2.02 heads ,3 angle valve job, sig erson cam kit, .535 lift 315? Duration , crap fairbanks 2000 converter , 2.76 gears , 7 1/4 rear from the 6 banger , , same drives haft too lol , shift at about 7200 to second , that was...