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ngk spark plug gap question

#671 pretty stock ,16g, boost contoller at 15lbs,stock intercoolerstock fuel pump, i switched to 1step colder ngk plugs bpr7es, what gap do some of you run, or should i go back to the bpr6es?
 

Wizardawd

Well-known member
Joined
Aug 7, 2007
Messages
1,323
Location
Franklin, NC
+100hp = 1 range colder.

6's would've been just fine. But, I doubt the 7s will cause much of an issue. 0.028" or so is a good target gap.

Wiz
 
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