• 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 sd98gtp

  1. sd98gtp

    Ported heads flow #'s

    Got my flow report back from Fast Freddy for my heads, thought i would share.... All Flow test @ 28" Lift................Ported Intake......Stock Intake.......Ported Exhaust.....Stock Exhaust .200...............129..................107 .................101...................94 .300...
  2. sd98gtp

    it had a good run.....

    well my motor threw in the towel last night just about ready to roll over to 245,000 miles. I was over at dave's house so he could scan/tune it and during the 2nd pull a piston ring went bye bye. time for a l26 and used cam i guess. she had a good run though and was getting tired. anyone with...
  3. sd98gtp

    GTP badge overlay pic request.....

    I have a forest green gtp and will be ordering gtp badge overlays this weekend and am still undecided as to which colors i want to go with. Anyone have pics of their forest green grand prix with badge overlays so i can get an idea of what i want to do with mine. (remember imitation is the...
  4. sd98gtp

    sd98gtp's slowww 98 Grand Prix GTP

    well i've been on here for a few months figure i better start a work log of sorts. when i bought it some tool had already thrown on a magnuson snout w/3.4 so the in the first month i added a wizaird cai and a fresh set of 104's. Took it over to dave's(glanzergtx) house and he threw his base...
  5. sd98gtp

    TB screen question

    im going to be installing headers and ported TB on my car this weekend and when i previously installed the cai i noticed someone had previously removed the Tb screen and i know i should have one in becuz it helps smooth out the air flow b4 the maf sensor,ect. My question is my sis has a 98...
  6. sd98gtp

    Need some questions answered....plz help!

    ok when i picked up my cai and ported tb from dave, we found that the car already has a magnuson snout on it with a 3.4" pulley :th_shakinghead2: since my car does not yet have the mods to run that size pulley i would like to put a stock one back on for the time being...i've been doing a little...
  7. sd98gtp

    New member from South Dakota

    new member to this forum, but not new to GTP's. Had a modded 98 back in college, many years and a couple kids ago. Picked up a 1998 4 dr GTP bout a month ago and its stock for now but going to be adding a wizaired, ported tb, and a tune from glanzergtx in the coming week....then SD headers, 3.4...
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