Spark Plugs?
01-13-2006, 07:49 PM
#1
Track Day
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Spark Plugs?
I have a 1986 2.5L with Welt Chips and am runningt about 15psi of boost with a MBC. The best gas I can get here is 91 to 92 octane.
Should I stick with the stock plugs, or go to something else. I am concerned about detonation at higher boost levels.
Thanks!
Should I stick with the stock plugs, or go to something else. I am concerned about detonation at higher boost levels.
Thanks!
01-13-2006, 08:07 PM
#2
Three Wheelin'
Stock Bosch plugs are fine, or you can run the NGK equivelant. I've been running NGKs for quite a while and I have had no problems with my '86 951 running Guru 15# chips, 3.0 BAR FPR, and a ReliaBoost MBC set at 15#. Stay away from Platinum plugs, especially the Bosch Plus 4's.