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Recent content by 91z

  1. 9

    zzp pcm or wbody store?

    Well since my so called friend is being a d bag to the highest leve. I am looking for the best option to get my car running better so I can sell it. Its an 04gtp comp g. Here is my list of mods. Bumped compression to 9.5 to 1 had to over bore about .10, zzp vs cam, speed daddy headers, 3.4...
  2. 9

    2004 Grand Prix GTP Comp G

    Has roughly 149000 miles and is my daily driver. motor was rebuilt with 9.5 to diamond forged coated pistons. Also has a zzp vs cam, speed daddy headers modified on the crossover with a v band clamp welded in. I had a machine shop cut out a 3/4 inch spacer for under the super charger and...
  3. 9

    Need a good 255 pump

    I have a non venturi style 255 pump in now, but it does not have a check valve to hold fuel pressure for start up and Im getting tired of hard starts. I have tried to contact some people on here, but have not gotten a replie :th_frowning: Could someone please point me in the right direction...
  4. 9

    Need fuel pressure regulator help fast!

    I am finally going to get my car on the dyno and tuned, but after installing a 255 pump and checking pressure I have way to much! about 65 psi! I know they are supposed to be around 48-54psi. Now my question is this. The regualtor is mounted under the top of the pump and can be removed by taking...
  5. 9

    Normal tuning specs or set ups?

    Hi guys. I have an 04 gtp and I am going to finally get it tuned. Im going to dyno tune usa in south dakota to andy tune it for me and I know he will do a great job, but I just want to know if there are any standard things to have him do? Like bump trans pressure, what temp do most of you...
  6. 9

    Need 255 fuel pump info

    I have a 2004 gtp comp g and need to upgrade the pump so I can convert it to e85. Im confused on if it is a venturti pump or not and where and what brand would be the best to get. Thanks for any info!
  7. 9

    Hi Lo cooling fan switch

    I would like to install a switch to controll my fans on my 04 gtp, but I have not done that in many years and not sure what to do with the hi and lo part?
  8. 9

    Spark plug gap?

    I have an 04 gtp comp G. its ten over with 9.5 to 1 compression, a VS cam, SD headers, 3/4" Spacer, water meth, and a 3.4 pulley. Im running NGK TR55 plugs. I was wondering what I should gap them at with the extra boost and compression?
  9. 9

    Silly question about speed daddys

    Im having trouble with them leaking at the crossover pipe from the front header. I want to put the flanges on for a v band clamp but dont want to pull it all apart and wreck the seal that I have and or have to buy more gaskets. Does anyone know the size of the pipes off the header and to the...
  10. 9

    Need help with warning lights!!

    Dont know why, but after I start my 04 gtp the traction controll, stability controll and the abs shut off and say they need servicing? Not sure what the heck is going on? Could the bcm for those be bad? And could it also be why my radio has no power to it unless I hot wire it?
  11. 9

    Lost my tunes!

    My car is an 04 gtp with the moonsoon system. I lost the rear speakers the other day and now none of it works at all. It wont even delay lock the doors anymore. The fuse is good so im not sure what is going on.
  12. 9

    Side bolt mains

    does anyone know when they started using these. Are they only on the gtp blocks or are they on the standard as well. trying to find one to replace mine and am finding it tough to do. my car is an 04 gtp. thanks for any info.
  13. 9

    1inch od m90 bearings?

    I have tried to order them from zz and got the wrong ones along with them not getting back to me to reutrn them. wich sucks. I have also tired super charger tech and they have never heard of them being that big. I made the mistake of thinking that as long as I had it apart that I would replace...
  14. 9

    lim end gaskets or silicone?

    This will be my first lim on a 3.8. I have done many v8's and just use silicone on the ends. Could I do this on the 6 or should I use the gaskets that came in the kit? Thanks for any info!
  15. 9

    m90 rebuild

    Does anyone know of a good way to get the bearings out of the case? Is there a speacial tool needed? Thanks for any help :th_thumbsup-wink:
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