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Pontiac Grand Prix Performance Modifications

25 messages,  Last post on May 07, 2008 at 5:15 PM

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What is this discussion about? Pontiac Grand Prix, Performance Mods, Sedan

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#23 of 25 new member:Performance help? by fandfprixx Mar 04, 2008 (4:52 pm)
Hey. Brand new to this forum and pretty new to the car world itself. I have a 1999 pontiac grand prix GT and so far all i have done is put in a cool air intake system but i was wondering what else i could do to the car to enhance performance and not spend alot of money. Anyone with any suggestions please let me know or e-mail me nyplaya4224yahoo.com thanks! Replies to this message: mawdeuce (May 07, 2008 5:15 pm)
#24 of 25 Intake and CryO2 System by mawdeuce May 07, 2008 (5:08 pm)
Hi, I've recently purchased a 2006 Grand Prix, SE trim with the 3.8L Series III engine. I would like to locate and purchase a K&N Filtercharger or other K&N airbox replacements for minor horsepower gains, and was wondering if there's anything I'd need to know about the emissions controls and how they would work with the system that's already in the vehicle, I'm trying to avoid the "Service Engine Soon" light if at all possible. Also I'd like to install a CryO2 system but wonder if it's even worth it with an engine that's naturally aspirated. Thanks!
#25 of 25 Re: new member:Performance help? [fandfprixx] by mawdeuce May 07, 2008 (5:15 pm)
Replying to: fandfprixx (Mar 04, 2008 4:52 pm) I've heard that the Tornado brand intake tube inserts can increase both horsepower and fuel mileage, and cost under $30 in most auto parts stores, if that helps any....I also had a 1997 Bonneville that experienced quicker throttle response and possibly a power boost with Bosch Platinum +4 spark plugs.....but then again I also combined that with fully synthetic Castrol Syntec oil, a K&N Performance Gold oil filter, a Fram Airhog air filter and 93 octane or higher fuel at all times, I know it'll be hard to do now though cause of the outrageous gas prices, and I never ever ever had any even slight problems with performance or emissions.....had some "gitupandgo" right up till the day I traded it for the Grand Prix I'm driving now, the Bonneville had over 160,000 miles on it but ran like a dream, but figured that since it had the same engine as your 1999 Grand Prix that you may get some use out of that info. Hope I helped a little!

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