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Recent content by jtackerman28

  1. J

    High speed rear end swaying/wobble

    2003 gtp with mustang cobra wheels, i dont have hub centric rings yet for it but i doubt that that should make the car sway as bad as it is. it is very bad. So at higher speeds like 80 plus the rear end will start swaying from side to side. It seems to be worst when i hit a bump or when i...
  2. J

    Rear deck speaker install

    So I found some descent 6*9 pioneer speakers in the jy and picked them up, how do i get the old speakers out and the new in? I looked at one in the junk yard and saw how to remove the speakers but how do i get the plastic cover off without breaking it
  3. J

    Dropped pulley size? Keep the stock belt

    I know that most when they drop pulleys get a shorter belt which is an okay solution but thought id do this write up as to save people some money and also get a better wrap on the supercharger pulley. I'm sure this has been written up Before but I have never seen it and I doubt that there was a...
  4. J

    Stock l67 throttle body

    I recently swapped over to a northstar/lq4 setup and have the stock throttle body in good condition sitting here. Not sure if there is any interest or not I have the throttle body with all good senors (came off the car runnning) Also believe i have an extra maf sensor to throw in with it. Not...
  5. J

    got a dyno run results reasonable?

    So i got my gtp tuned on the dyno last week and the numbers seem kinda low but I'm not surprised really. it showed 225hp and 265lbs and around 16* of timing at full throttle , the mods i have done are n*/lq4 maf, pacesetters, ported sc outlet, 3.4 pulley, and a hot air intake. Are these...
  6. J

    Lq4/northstar issue

    So my 2003 gtp is running a ported sc, pacesetters, 3.4 pulley I was rarely ever having kr and if ever like 1* then I put on a north*and lq4 maf at the same time I threw in a tune with the tables for the maf supposedly copied into it. Well I get the car out and I have 7* of knock and at full...
  7. J

    Help with blowing fuse/running issues

    ok so here we go, I have beein having an issue with my 2003 gtp. The first problem that arose was a check engine light with 2 codes, po443 and po102. so the first thing i did was hop on the forum and do a little research and from what i found these two are on the same fused circuit and it...
  8. J

    supercharger swap now high idle

    I just put a new supercharger on my 2003 gtp, I ported the supercharger before i installed it and it also has a 3.5 pulley on it. For other back ground on the car it has a aftermarket down pipe with a highflow cat, a hot ait intake, 103's, and a 180tstat. I also have a scan gauge set up to read...
  9. J

    Headers/down pipe choice

    Hi, there new to the forum, I just picked up a 2003 gtp and it has a broken motor mount, which intern cracked the rear manifold, I live in Albuquerque New mexico and they have emissions here, so I will need to be running a cat. I figure that since i will be changing out the rear manifold I mine...
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