When I first switch from the old Mopar race chrome with the blue heat sink ECU to an early MSD 4040B ECU with the matching coil my 426 street Hemi stocker started way easier and quicker, a BUNCH quicker up

Last edited by Cab_Burge; 04/20/22 01:50 AM.

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)