Originally Posted by fast68plymouth
According to the Moroso chart, that 9.63 and just over 139mph line up almost exactly.

At 3200lbs it’s showing 665hp.


Sounds about right. Guy who bought my old Duster had motor dyno’ed by Best Machine. 708 on dyno. 422 W5 motor
Went 9.62@140 at 3220 with driver. Stouter than when i had it, he made some nice upgrades. Plus lighter driver..lol

Last edited by B3422W5; 09/01/20 10:52 AM.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, low 10.30’s 1/4
1.41 best 60 foot
6.56 at 104.17