426 Street Hemiroid motors are sensitive to the mixtures and quality of the fuel you're trying to use, changing the rear carb metering rods to the next size leaner usually help keep the plugs cleaner longer up wrench scope
The MSD race boxes were the best and simplest cure for rich running motors, wedges, hemi and SB Moparsboogie up scope

Last edited by Cab_Burge; 09/05/23 02:30 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)