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what is the best spark plug to use in the 04 gtp they say that the autolite105 at gap .0050 is the way to go
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Honestly i ran NGK in all my cars including my S/C 3800... im not a fan of autolite unless im tuning up my lawn mower. depending on mods your gap may change.. but i ran stock NGK's at Stock gap untill i turned up the boost and a few other mods then i ran NGK's 1.5-2 steps colder..
Even GM runs NGK's, they even replaced at a certin year the AC Delco's with NGK... All of my boosted car buddies (Honda's, Vette's, ect...) run NGK's... Im running NGK V-Power's now in my turbo 3.4DOHC. im replacing them with the G-power NGK (single Platinum) so i won't have to change them as often... Kind of a PITA on the DOHC's to change
SShane "RedZMonte"
2004 Corvette Z06 Commemorative Edition -VIRGIN
1995 Monte Carlo Z34 14.38@101mph, 331hp/355tq
-Turbonetics T04E Super 60 Turbo, 2.5" Borla Catback, OBDII, 42.5# Injectors
2004 Subaru WRX STI -Lightly Modded (SOLD)
1994 Lumina Z34 -VIRGIN (SOLD)
1992 Lumina Z34-VIRGIN (RIP)
1992 L67 Lumina Z34 (SOLD)
1990 Turbo Grand Prix (SOLD) -
sparkplug
well thank you for your input im really ew to this site and it seems pretty cool as for mods on my 04 gtp i have all msd ingnition and coilpack as well and i have the wizair cai and also the pcm100 fromm zzp dowdgraded the water pump pully and running a 3.5 pully on the super charger and just installed a downpipe none catalisComment
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hey have you ever raced a grandprix gtp be honest what do you think about them cause i really have alot of wins with what i got its funnyComment
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