Originally Posted By R5P7Duster
Originally Posted By 440W8 Duster
Jesse I have the same box and its starts just fine with 15.4 comp with my timing locked out at 30*.


You just have the 7AL-2 or you have the box Jim mentioned as well?


I have the 7220 box.

70 Duster W8 motor.
1.29 60ft 5.79 1/8 at 120 mph
glide with 1.80 gear
@3170 lbs.