• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

Recent content by GTOorGTP

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    FSIC machined L67 (Gen III) & L32 (Gen V) LIM's

    Going IC but don't want to pay full retail of over $200? Here's a couple alternatives to save a couple people over 50% L67/Gen III LIM machined for IC One has EGR block off plate installed $100 shipped in lower 48 states (CA/OR/WA add $5) L32/Gen V LIM machined for IC EGR block off plate...
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    ? Combustion chamber damage with broken rod under boost?

    So, long story short, I grenaded a rod in my top-swapped 02 MCSS at 72mph in first gear (thought I had put the shifter in 2nd when passing an erratic driver, with my TOG dp gasket blown out and radio cranked to drown out the exhaust drone). Anyhow, what are the chances the heads aren't...
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    Meziere Water Pump....... need help

    I have a Meziere's EWP on my Monte Carlo and am having problems with it overheating after the car has run for 3-4 minutes. I replaced the radiator because I thought I could hear the water pump running, but first start up after replacing the radiator and bleeding the cooling system it's already...
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    ZZP Modded rails, 04+ 5 button DIC/trim 110k miles

    ZZP Modded rails for intercooler builds Off a Series II with ZZP FSIC. Braided line has one spot the metal rubber the hood bracing -hose inside is undamaged but the metal braiding has a hole in it -did not leak. These were pulled to install a billet fuel log setup. Hose to replace the line...
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    DHP Powertuner 841 w/AD input and NEW Keyspan

    Seeing as I don't do in car tuning I am looking to unload one of my spare DHP Powrtuners. This has the 841 board with AD input for analog input (wideband). I am including a new Keyspan adapter as well. $290 shipped in the lower 48 states. Located in the true midwest.
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    BIN file for 04 Comp G top-swapped and cat delete

    Anyone have a known good, BIN file for an 04 Comp G with a top-swap and cat delete (not just the codes, but the cat test mapping deleted from the file)? I did a top-swap along with a ZZP catted DP but am getting tired of this fuel dumping I get that's killing my fuel economy. It doesn't...
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    DHP Powrtuner

    Located in St Cloud, MN. I also have a DHP Powrtuner with A/D input for wideband. I do not have a Keyspan adapter as I did not get one with it, but a new one can be had for $25 (I'll provide buyer the link once the DHP is paid for). $325 shipped in lower 48 states. $310 cash picked up...
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    Join my group on facebook -Grand Prix GTP owners club.

    Just putting the word out -it's a group of good people who have good knowledge to share. There are several people who have been part of the 3800 scene for over 10+ years. Come in if you want the straight answers to your questions. Post up pics of your GTP and what mods you have done, or want to...
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    04 GTP SPECIAL EDITION rims, NEW GXP/SPO Spoilers, 04+ chrome trim

    (SET OF 4) 2004 Grand Prix GTP SPECIAL EDITION RIMS Selling a set of 17" factory rims off a 2004 Grand Prix GTP Special Edition. Rims are in good condition (a couple small nicks/scratches with the exception of one rim needing repair (IIRC, it has a crack on the back lip which can be welded to...
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    SPO/GXP/Dealer Installed Option Spoilers (2004+ Grand Prix's)

    I have a pair of SPO/GXP/Dealer Installed Option style spoilers for 2004-2008 Grand Prix's here I am sure a lot of people here would like. Save big $$$ over buying new (over $300 new). Want to make an offer and you are in the lower 48 states -call, text or email me with your offer and be...
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    SOLD!!!

    SOLD!!!***
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    04+ GP Navigation, GXP Stainless Steel Pedals, Limited/Special Edition Badges & MORE

    04+ GP Navigation, GXP Stainless Steel Pedals, Limited/Special Edition Badges & MORE I only ship in the lower 48 states -sorry Canada, etc... don't even ask. Not interested in buying -this thread (or any one's for that matter) doesn't need anyone being a threadcrapper which seems to have been...
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    2004-2008 SPO/GXP spoiler

    White in color -a couple light scratches but no doubt the buyer will be having it painted a different color. All mounting studs are intact and the brake light is there also. $145 shipped in lower 48 states -buyer covers PayPal fees. $125 cash picked up in St Cloud, MN. P.S. First person with...
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    LED headlight/fog Conversion kits

    Anyone have any experience with these or know which are the one's with a better reputation/reliability?
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    GXP Rear Brakes, HD diff, N* TB w/ LQ4 MAF & GXP goodies.

    GXP rear lines (calipers sold): $40 shipped in lower 48 states N* TB & LQ4 MAF with wiring pigtails (missing IAC and IAC pigtail) $90 shipped in lower 48 states 4T65E-HD diff with diff cover Ideal for built N/A, top-swapped or turbo'ed L36/L26 cars. $115 shipped in lower 48 states...
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