spark plugs for spray
Thread Starter
Supreme Member
iTrader: (6)
Joined: Apr 2005
Posts: 1,459
Likes: 2
From: CT
Car: 92 trans am clone
Engine: LO3
Transmission: 700r4
spark plugs for spray
ok i have a 305tbi and the plugs shown for my car for NGK are UR4s so i went 2 heat ranges colder to be safe because im going to be running a 125 shot so now i have NGK stock number 7773 UR6 plugs are these good? they are v power will that make a difference? plus any guess on what gap i should run these at? thanks a lot
Thread
Thread Starter
Forum
Replies
Last Post