• 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 mr_gtp

  1. M

    Higher Rpm missfire...possbile culprits???

    Ok i have a 2001 GTP and it runs fine cold. It has a noticeable miss between about 4-6k. It seems intermittent and not at all like one cylinder. I was reading other forums and they said it could be iridium plugs? i know i bout delco iridium plugs because the guy at autozone told me that ethanol...
  2. M

    2001 suspension 1" lift for rear???

    Ok i have a 2001 GTP with a some heavy subs in it and the rear sags like a mofo.. I know w-body has springs that lift it an inch or so to accommodate for such a thing but is there anyone else out there that makes strut blocks or spacers for the rear of our cars?? 130 for springs inst terrible...
  3. M

    No power!?!

    So i have a cam swap (.505/.515 custom cam?), a 3.4 pulley, 3 inch DP into 3 inch exhaust, cold air, ported charger and ported lower intake, with a stock DHP file and my best quarter mile run was a 14.8.....wtf????? I didnt have any extra weight in the car just me and no spare. It seems really...
  4. M

    unsuccessfull cam swap?

    So i recently swapped out my stock cam for a cam with a .505/.515 (intake/exaust) lift and now it has a really rough idle and sometimes dies and when i give it a lil gas it falls on its ass.. I know i have a bad throttle body gasket and i uploaded a stock DHP file with my DHP powertuner and the...
  5. M

    DHP tuner...

    Where can i get a DHP tuner??? I have looked all over and all i can seem to find is a bunch of forums for it...Plus can you tune more than one car with it or is it a buy more credits thing????
  6. M

    ZZP spring event??

    Is ZZP having a spring event this year???
  7. M

    Dual climate control issue

    ok so i have a 2001 gtp with dual climate control, the analog setup, and i am wondering why the passenger side always blows cold air when its on. The driver side blows warm air but the passenger side is freezing!! I knoticed i have a coolant leak some where near the radiator but i keep it full...
  8. M

    Tach issue

    ok so i recently bought a 01 GTP from a buddy of mine. Every once and a while the car misses or it sounds like it does on a cylinder and the tach stops working until i turn off the car and turn it back on. Does any one have any idea how to repair or diagnose this issue??? It is gettin really...
  9. M

    5.7 Engine swap..

    So i am wondering, if you can put a 5.3 in a 1997-2003 grand prix.. Can you put an aluminum block 5.7 in there??? I would imagine you could use the 5.3 transmission, wire harness, possible computer too??? but not sure anyone have any ideas or thoughts?? I just love the way V8's sound compared to...
  10. M

    [B]ZZP Meeting..Who's In??[/B]

    Here are some tentative plans for the ZZP race and customer appreciation weekend: 8/29 Friday- will be a customer appreciation day, from 9 am to 6 pm we will have: - $25.00 dyno pulls (includes strap down & 1 pull) with a maximum of 2 pulls per car, that does not include any tuning. FRIDAY...
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