Originally Posted by BiomedTechGuy

No doubt about that, but the ultimate fine tuning of the advance, and the launch control 2 step and ease of use are all beneficial and unique to the Progression for carbureated engines.


I know that the MSD grid has these features also but they aren't built into the distributor, PS I was a biomed too in the UK, last 6 years working in Rehabilitation and prior to that a Renal Tech. Retired now.


'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