Tuning for bracket racing
#2
Senior Member
MASTER BUILDER
Join Date: Mar 2014
Posts: 244

You could start with 36* and tune from there. Also NGK plugs are used on a lot of bracket race BBC. #8 heat range for gas. For aftermarket head like Dart with .750" reach # R5671A-8. Jetting in high 70's range. Lot of variables and not enough info to be very precise.