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  1. Best year for the Pontiac GTP?

    Newbie Zone
    I’ve been searching the forums and I haven’t found a discussion regarding my question yet. Perhaps I haven’t looked hard enough, but my searches anywhere else online aren’t taking me anywhere. So, what’s the best year for the GTP? Which is considered the most reliable? Are all model years...
  2. Wanted: Zzp supercharger pulley tool

    Hi all! I am looking to do a supercharger pulley swap and was wondering if anyone would be willing to sell/rent me their used supercharger pulley puller tool? I would be willing to pay you whatever you think is fair, I'm sure someone has one laying in their garage not being used so I figured...
  3. How to add Eaton M90 to LN3

    Hi, I just bought a '90 Park Ave in very good condition, and I'm looking to add a supercharger to it. From perusing the Internet, it looks like the Eaton M90 supercharger is the most common one used, and I would like to fit it on my engine. I have the 3800 LN3, and I've read that it can be...
  4. Leaking supercharger at vented bolt in front of pulley

    I'm swapping my motor in my 99 regal gs SC. The one we got from Robbins in illinois we believe was from a gtp. We switched everything we needed to over and are about to place it back in my car and we noticed a small drip from the bolt on the supercharger pulley. I've looked up a few things that...
  5. will an ssei gtp regal gs supercharger

    will a pontiac ssei ftp or a buick regal gs supercharger work on my stock 3800 series 2 gt motor
  6. Coupler Change

    Hello everyone. I just changed my Supercharger coupler due to a rattle/rock noise. At first the noise went away, but now only a week later the noise is back. I also have what I think is a leak but have not been able to pinpoint it yet. My question is has anyone changed a coupler and if so...
  7. GM supercharger oil

    For Sale
    SOLD - GM supercharger oil Item is sold. Thank you. ============================== Have surplus 5 bottles of GM supercharger oil. Black bottles are 4 ounces each with flip cap. Unused and unopened. Will ship them for $36 USPS money order ($30 for oil, $6 for shipping). No longer own...
  8. L67 complete w/SC for sale

    For Sale
    Hey guys, I wanted to see if anyone was interested in my old L67 SC? I replaced it a few weeks back and I was thinking that some of the parts may be useful to some others be fore I scrap the rest. It has 183K on it, with a light knock when I yanked it out. I didn't feel like trying to fix...
  9. Rattle at Idle

    1998 Grand Prix GTP... I have a rattle at idle and seems to go away with any rpm increase.. putting the trans in neutral seems to help some with the rattle. Placing my hand on the nose of the supercharger while idling it seems I can feel the rattle in the casing. Nose Cone Bearing? Timing Chain...
  10. Taking off supercharger?

    Does anyone have a good write up on how to take off the supercharger? I purchased a port and polished one and need to put it on. Just a kid lookin for some help. Thanks guys
  11. 01 impala top swap

    Newbie Zone
    alright so i recently purchased a supercharger lower intake manifold, heads and fuel rails, injectors etc. what i seem to be missing are the other pulleys needed for that belt drive as well as the mounts to mount the pulleys to where they need to be can anyone tell me where i can buy these...
  12. 97 Bonneville Engine swap

    FWD 3800 Engine Swaps
    I have just completed the engine swap, putting a 3800SC from what I believe is a 99 Grand Prix GTP into my 97 Bonneville SSE which was normally aspirated. Pretty straight swap from the bolt up perspective. Swapping the flywheel was the only change I made to get it bolted up. The electronics...
  13. anything for a 98 firebird 3800

    ok so im super new to the game here and i have been looking around and can find nothing so i just thought i would look like a azz on here lol so do they make turbos or superchargers that i can put on my 98 firebird 3800 L36 this is prob a ? that has been asked many times but idk think someone...
  14. Need some help!!!

    General Tech
    ok so im really new to this forum, well any forum that is. I just got a 98 pontiac firebird 3800. im looking to fix it up i know most of the basics intake exhaust things to that nature. but when we get into turbos superchagers things like that i dont really know to much so i was hopeing someone...
  15. Electric supercharger BS?

    I was wondering if any of the electric superchargers on-line work? Some claim up to 8 psi?
  16. 2002 Park Ave Ultra w/stock SC Upgrade

    I am new to the site. I am interested in putting a smaller pulley on my supercharger. If I do this where can I find a PCM ECM for my model and year car. All the ones I see are for Regal or impalas or something else. One person told me I may be able to use a PCM from a regal but I'm not sure. I...
  17. Possible Problem???

    While recently installing my new downpipe, i accidentally broke my eaton blower booster cap going to my actuator. Ordered a new one and fixed it for now, but i noticed I am missing the middle hose, is this of concern, what is this going to? On my friends GTP it seemed to be going by the fuse box.
  18. Loss of Boost - not good - ideas?

    Well, its a sad day when your SC car goes NA - I have a boost problem! Normally, my scan gauge reads 140kPa max boost (reading the MAP), but now the best I get is 110kPa. The boost seems to fall off as the RPM increases. Starts at 110kPa when I jump on the throttle, then drops off down to...
  19. 3.0Pulley Requirements

    Guys, I'm tuning with the HP tuners and I currently am at 24.5 degrees of timing with no KR on my 3.3 set up. MODS: ZZP front power log ported rear mani No converter U bend or Res N* TB Autolite 104's 160 drilled Tstat UD waterpump and alt. P/P Eaton Blower P/P Lower intake manifold Methanol...
  20. 2007 Grand Prix SC Pulley Swap Help!

    Has anyone changed the supercharger pulley on a 2007 Pontiac Grand Prix GT 3.8L SC? The SC pulley shaft does not have a breather cap and bolt. The pulley is pressed on. I'm not sure how to pull and install without the breather cap or ability to bolt on the puller tool. I can't seem to find any...