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Subterrannean Turbo System 2 Plugs

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Subterrannean Turbo System 2 Plugs
1998-2002 Pontiac Firebird - STS Subterranean Turbo System Installation - Part 2
Before connecting the piping that mates the MAF assembly to the throttle body, swap out the factory spark plugs with a fresh set of NGK TR-6 plugs. Since spark knock is the enemy of a boosted application, the NGK plugs are two full heat ranges cooler. The plugs were gapped at 0.030 inch with a Jacobs Electronics gapping tool. STS recommends a plug gap of 0.035 without methanol and 0.030 with methanoldue to the latter's higher boost potential. If you experience misfire with your non-methanol-equipped system, decrease plug gap to 0.030. Even a few thousandths wider plug gap can make a difference when operating with the very high cylinder pressures developed under boost. In most cases, the LS1-equipped Firebirds came with AC Delco plugs, but Denso plugs were the factory fill on this Formula. A light coating of antiseize compound on the threads will keep the plugs from seizing in the cylinder heads, assuring an easy change down the road. View Related Article
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Pontiac Solstice Research
Pontiac Solstice Get updated on all your car buying needs from safety features, to specs, to crash test ratings and options. Get all the information you need if you are interested in buying a new car like the Pontiac Solstice. The L4 standard engine in the Solstice gives you 173 horsepower with an estimated 22 mpg. It has a trade in value of $15,948.00 which should come in handy when you go to shop for your next car. The Pontiac Torrent and the Pontiac G6 are other vehicles that might interest you.
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