Originally Posted by Cab_Burge
I use the theory to retest everything I've done after making any changes to the motor or tune up up twocents
Changing carbs. with jetting maxed out like different total timing than it did with the other carb. maxed out shock scope up


We had a play with stuff, took some hi speed retard out of it and stepped up a size in jet (102 -103 !! ) car was happier at the top end.

'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge.
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03