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  1. Parts for Sale
    I’m preparing to move to a different state so I’m looking to lighten the load before I leave. All the parts are from an 08 GT and assumed to have 90k on them as I’m the second owner and that’s when I removed them. Rear differential - 250 obo Front and rear strut assemblies - 150 obo (4) Mufflers...
  2. V8 Engine Tech (L76/LS3)
    Hello, recently my cam tensioner busted in my GT and I pulled the motor to try and find what the problem was. While I was there I went ahead and put the ls2 style tensioner in and also put a OEM LS3 cam in it. Does anyone have a HPT file for a stock g8gt (or CAI/Exhaust) with an ls3 cam? I put...
  3. V8 Engine Tech (L76/LS3)
    Hello cars harmonic balancer got ripped apart basically, looking to upgrade it, cars currently cammed making about 430wheel? Can someone please guide me in the right direction for a good replacement? So i wont have to replace it again? Ive seen powerbond PB1117SS Dampener as a good replacement…
  4. G8 GT Talk (V8)
    Looking for the American racing full 2" to 3" no cats off road xpipe setup for the 2009 g8 gt if y'all know anyone or have some lying around got cash
  5. V8 Engine Tech (L76/LS3)
    I have a 2008 G8 GT and am looking for an e-tune that may improve drivability. I have a comp cam, afm delete, and CAI, i dont have many issues but a few things could be improved and help would be great. Thanks!
  6. Newbie/Introduction Forum
    First the bad news. I had to sell my 2009 SBM GT in November 2012 because of the upcoming arrival of our third child. With that spacious back seat, two kids had been a breeze, but 3, well, that was gonna be it for the G8 I was informed. It was now time for a Minivan (Honda Odyssey) I have...
  7. Parts for Sale
    Black leather seats. This is a full set of front and rear seats. Seats are in excellent condition and fully functioning with no rips or tares. Located in South Bend IN. 500$
  8. Parts for Sale
    Magnaflow Exhaust System For Pontiac G8 (GT or GXP) PN: 16887 About 2 hours use. I had searched for 2 weeks to find a good used stock system with no luck. So, this system was purchased and installed on my car. Sure enough, a week after installing it a board member contacted me about a...
  9. G8 GT Talk (V8)
    Hey G8 Family, one day I was driving down the road and out of nowhere my CEL came on and then it flashed ESP Off, then not even 2 minutes later the engine started running really rough. I was a minute away from my house so I inched her there and then checked the OBD and it threw a P0106 code. I...
  10. Newbie/Introduction Forum
    So i've been browsing around on G8Only and I was wondering if anyone here has ran the "Wake the Neighbors Package" just want to see if it's worth it or how it sounds. https://g8only.com/product/wake-the-neighbors/ link for reference.
  11. Newbie/Introduction Forum
    I'm Reggie I''m from Delaware and I have a 2008 Pontiac G8 GT First 888 Edition. Its Fairly stock I debadged and put Magnaflow axle back on it.
  12. Appearance / Detailing
    Love the way it turned out, its a tribute, kind of, to the show car revealing the GXP back in 2008, might have been 2007, not sure. Anyways, check it out. https://www.youtube.com/watch?v=a8HKwmQ4YQg
  13. V8 Engine Tech (L76/LS3)
    I'm all out of sorts when my car is on the fritz. :whine: It's a 2009 G8 GT. I was on a trip a day ago to pick up some friends from the airport. When I left the airport and merged on to the interstate, I noticed a ticking noise coming from under the hood. The ticking noise was accompanied by...
  14. Newbie/Introduction Forum
    Reposted in V8 Engine Tech section: http://www.g8board.com/forums/showthread.php?p=3133017#post3133017
  15. V8 Engine Tech (L76/LS3)
    Just finished up installing the dod delete package and here's a short idle video. That was the first start without a new tune so it is running a little rough. https://www.youtube.com/watch?v=7ZbyD-kfqEM
  16. V8 Engine Tech (L76/LS3)
    Hi all, Im going to be putting the cam in today and just was wondering the easiest way to find TDC with heads off so i dont screw up timing. Thanks
  17. V8 Engine Tech (L76/LS3)
    Hi, I am installing a DOD delete kit and noticed that the ls2 valley cover doesnt have a plug on the back like the DOD valley cover and was wondering if i should just leave it unplugged? Also the ls2 cover has a dirty air tube on the front, where should that go? Thanks
  18. Parts for Sale
    Stock G8 exhaust - Mid pipe back I Lost my ride in the Houston flood last month. :eek::eek: So I need to clear some room up. ***Headers and cats sold*** These are in very good condition. Never any bad weather or salt water. I took them off around 30,000 miles. I'm thinking $150 for the...
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