Thread: Tune-up for 3.8 Supercharged 2002 GTP

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  1. #1 Re: Tune-up for 3.8 Supercharged 2002 GTP 
    GXP Level Member coolone's Avatar
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    Fuel filter is under car near rear driver wheel... You'll see it if ya get under there.

    Id go Mobil1 and filter for a few oil changes at low mile intervals prior to sea foaming (crankcase) if that's what you plan to do. Coolant flush and replace with NON dextron coolant. Tranny pan drop, fluid change and filter is always great, i used the new dextron fluid, not aware of any issues doing so. Is it running well?

    I like Taylor wires (8mm), but not necessary. Leave the coil packs alone unless problematic. You can check all you ground connections, battery and alt too, clean em up if they look bad. Plugs are always good thing. Check tires for uneven wear and if so, then alignment is called for. If new tires, might be reason why.

    Check ROCKAUTO for stuff prior to going to Autozone, they have good deals at times.

    LIM gasket? You have leaks showing?


    Welcome aboard, good luck with new (old) car
    post pics when you get the chance...
    Overkill BBC Cam, YT 1.8 RR's, Rhodes Lifters, STGII Heads, GenV, Pacesetters, 3" Exh to Tips, TEP Trans. N*, ID 75# injectors/E85 coming soon
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  2. #2 Re: Tune-up for 3.8 Supercharged 2002 GTP 
    SE Level Member falcongt's Avatar
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    Coolone, Thanks. Everything looks pretty good under hood. I have not crwled under the car but just from the top view looks ok. Yes there is a little bit of oil under the SC snout but not much. There is some around valve covers. Eventually I want to get all the mail gaskets without having to go to the heads but all the top stuff. The tires are not worn uneven or anything. The tread is still pretty good but the sidewalls have cracks from rot. I got this car for my son who turns 16 next month. He has 2 more years of high school before going off to college so we have a little time to get things up to snuff and then it should last him for a long time. He wont be putting to many miles on it over the next 6 years but think this car is worth saving for a long time.
    Quote Originally Posted by coolone View Post
    Fuel filter is under car near rear driver wheel... You'll see it if ya get under there.

    Id go Mobil1 and filter for a few oil changes at low mile intervals prior to sea foaming (crankcase) if that's what you plan to do. Coolant flush and replace with NON dextron coolant. Tranny pan drop, fluid change and filter is always great, i used the new dextron fluid, not aware of any issues doing so. Is it running well?

    I like Taylor wires (8mm), but not necessary. Leave the coil packs alone unless problematic. You can check all you ground connections, battery and alt too, clean em up if they look bad. Plugs are always good thing. Check tires for uneven wear and if so, then alignment is called for. If new tires, might be reason why.

    Check ROCKAUTO for stuff prior to going to Autozone, they have good deals at times.

    LIM gasket? You have leaks showing?


    Welcome aboard, good luck with new (old) car
    post pics when you get the chance...
    Hollis Armstrong
    2002 Grand Prix GTP
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