what spark plug to use
#2
Senior Member
EXPERT BUILDER
Join Date: Mar 2003
Posts: 337
I like the NGK plugs! JMO
I think NGK TR5 is stock replacement for gas. I think they have TR55 and TR6 for different heat ranges. May give you something to start with.
Some of the other fellows could help better on the small block stuff, I run 8's in a gas BBC
I think NGK TR5 is stock replacement for gas. I think they have TR55 and TR6 for different heat ranges. May give you something to start with.
Some of the other fellows could help better on the small block stuff, I run 8's in a gas BBC