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Recent content by xerxescct

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    Various interior lights out. Looking for sizes/LED replacements

    My 08 GXP has several interior lamps out and I am looking to replace or fix everything and even upgrade the working ones to LED. Heres the list. Driver Window controls - All the window switches in the pod are burnt out HUD control dial - Burnt out Shifter illumination - Burnt out so cant see P...
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    Flowmaster 50's.... Anyone use them?

    I am going with Flowmaster mufflers (I have used them on every vehicle I have owned). I am not changing anything else but maybe the tips. I was wondering if anyone here has used the 50 series on their GXP. I cant have the mufflers as loud as the 40 series but all I can find on youtube is the...
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    Goodbye Comp-G, Hello GXP

    Before: After: I sold my 04 Comp-G and picked up an 08 GXP a few weeks ago and I must say I will never look back. Now before you drill me saying things like "No mods for LS4" or "Too expensive to mod LS4" or "Comp-G can be faster than GXP for a little bit of money", all I have to say is...
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    Protect me from Michigan weather

    I just got a GXP that was driven in Texas all its life. I will be driving my wifes car as much as possible in the winter time but the sad truth is that I will be driving my GXP in the snow. Snow is bad here in Michigan for cars because of all the salt that gets put down. What is the best way...
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    First Gear downshift issue

    Hey folks. I have something going on with my 08 GXP. I noticed that the tranny works fine 95 percent of the time but when I come to a stop it will sometimes not shift into first gear and then it will get a hard shift to first as soon as I give it some gas. This doesnt happen every time it...
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    Wheel Swap

    I found a donor car with a set of GP GXP wheels, tires, rotors and calipers. I am going to swap these into my 04 comp g. Will this work without any issue? I have seen the caliper swap before but not sure about the wheels. Anything I should know about before swapping? Thanks!
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    Complete Exhaust Replacement for Christmas - Questions

    Hi folks. I am no expert when it comes to the tech of the 3800 so I need to turn to you for the help. My wife is letting me get a complete exhaust system put on my 04 Comp-G for Christmas. I have a few holes in the exhaust and I can see one of my mufflers hanging a bit lower that the other. So...
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    Front-End Clunk

    Hey folks, Just today I was driving to the in-laws for Christmas and I noticed that I was getting a strange clunk noise when I was driving. Here is what happens..... It only happens on a moderate to severe bump and only on the driver side. I can feel it in the floor board but my wife cant on...
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    AC works but no cold air

    Hey guys. So I came accross my very first problem with my car in 2 years. My AC was blowing as cold as ice yesterday but today its not blowing any cold air. I checked the pressure of the system and while it is about 5 lbs low while running, its still within acceptable levels to blow cold air...
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    Very Technical Speedo Question

    This may or may not be able to be answered and the question itself may sound stupid but I have some things im working on and if done right I might have a cool mod. Can anyone tell me if the Speedo PPM can be adjusted at the speedo and not the PCM? Im not talking about plugging in a programmer...
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    Normal Oil smell?

    So occasionally I will smell what to me is a faint oil burning smell. I have looked over the moter really well and dont see any leaks of any kind. I also dont have any smoke while its running. Is this normal? Only seems to happen when its warming up. If ive been driving all day I cant smell...
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    180 T-Stat

    I plan on doing a full flush and hose change next weekend but one thing I have not done yet is pick up a T-Stat. I was reading some info on if I were to drop in a lower temp T-stat that I would get bad gas mileage or the computer would trip codes. However I dont like the fact that I can fry an...
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    Neat story, plus questions

    So I worked overnight today(I do once a month) and funny thing happened. I was parked out front and when I came out to my car a Black 06 GXP was parked right next to me and the guy was sitting in the car. He had his window down and I told him what a nice car he had and that I had the Comp-G next...
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    Cant find a thread

    Hi there, I am not sure if this is the right forum but a while back someone (with an impalla) had modded all their lights inside and changed them to blue LED's. I am about to take on that same project but ive been looking for the post for 20 min and I cant find it or the author. I tried "Blue"...
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    My GTP pics

    Hey there, just thought I would post some pics of my GP. Its all stock and these were taken back in Oct so nothing to brag about here. But I think its a beutifull car. GTP Comp G
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