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View Full Version : Ngk tr6 plugs? Any better plug to run on boosted ls

S.J.SLEEPER
08-09-2009, 01:35 AM
GOT A RUNNIN ISSUE W/ AC ON. RUNS REAL ROUGH AND FOULED OUT CYL.4 PLUG ALONG W/ OTHERS THAT BOUT DONE.

YEAH, i know fix the problem. car only got partial tune and trans broke. but i have had bad luck w/ ngk's in the past cause they foul out very easy.

ANYBODY KNOW A BETTER PLUG TO USE BESIDES NGK TR6?

lq9 runnin 10-12 psi of boost
60lb inj. @ 65psi of fuel pressure
96mm t.b./intake
custom cam
p&p heads by pat musi
etc. etc. etc.
Mike
08-09-2009, 06:36 AM
might need colder? my buddy runs tr7s on his boosted goat
S.J.SLEEPER
08-09-2009, 08:12 AM
might need colder? my buddy runs tr7s on his boosted goat

the car fouls them....... meaning i would need a hotter plug not colder
not looking to change heat ranges cause with car tuned runs properly w/tr6 just there is a issue w/ idle control when ac on. which will be fixed this week when it goes back to dyno.
NJ Torque
08-09-2009, 10:49 AM
Might need smaller gapping...