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Recent content by thunder71173

  1. thunder71173

    1999 Grand Prix GTX conversion for sale

    I have a 1999 Grand prix that started life as a gt but has been fully converted to a GTX. Here is a list of modifications L67 with about 75000 miles on the bottom end Ported polished heads with 1.9 harland sharp roller rockers and ls1 springs TOG headers with three inch catless down pipe and...
  2. thunder71173

    Gen V on an L67

    Guys I have a Gen V M90 that I am ready to put on my car when I recieve the lim and I am not 100% sure on a couple things. I am currently running a 3.4 gen 3 setup so what pulley am I going to want to switch to? There is a port that is open on the throttle body side of the Gen V and I assume...
  3. thunder71173

    will a 99 Trans out of a park ave with 305s work?

    As the title states will a 4t65e with 305 gears out of a 99 park ave work in my 99gt with the pcm modified for the gears?
  4. thunder71173

    Kr kr kr and more kr

    I swapped in my l67 a couple months ago and forgive me if this is a little lengthy but I have been through it alot with this thing and still cant get the kr under control so I am looking for advice. At wide open throttle the knock on my car is up to 8 or so and I have already changed a bunch of...
  5. thunder71173

    How and what is needed to add a North star to a gen 3 l67

    Exactly what the title says are they somewhat plug and play or are they a pita to install. Can I use my 99 maf with it that my pcm is tuned for? Your help and advice is much appreciated.
  6. thunder71173

    L67 swap not running right

    I just got done working on my GP and it seems as though the BBV valve isnt functioning properly. I ordered the BBV actuator from ZZP and installed it and it is still not opening all the way up and the car runs very slugish and gets really crappy gas mileage? I havnt changed th sulenoid on the...
  7. thunder71173

    L67 swap help!! what torque converter and flexplate

    I have just completed my l67 swap and it hasnt been running quite right. My question is in swapping this motor I used the L67 flex plat and l36 torque converter and now I have the flex plate rattle. My question is should I use the 258 mm flex plate for the L67 and the L67 flex plate or the L36...
  8. thunder71173

    code 0243 wastgate

    I just put my l67 in and I am getting a wastegate malfunction code. The sulenoid is moving but it has rough idle and an 1133 02 sensor code as well, any ideas?
  9. thunder71173

    My red l67 swapped SD GTX conversion

    Well here it is I still have some work to do to it but heres where im at so far, the first one is what I started with! Harland sharp 1.9 Roller rockers Gen V with some powder coat and polished snout
  10. thunder71173

    L67 vacuum routing HELP!

    Does anyone have a pic of how there vacuum lines are ran. I just swapped in my l67 and it came bare so I had no Idea how to run them especially to the bbv. Any help would be greatly appreciated
  11. thunder71173

    My other Supercharged 3.8 liter V6

    I know alot of you wont like it because its a Ford but It has alot of things that we all wish our Grand Prix did. Its a 1989 Thunderbird Super Coupe 5 speed, 3:27 gears, Headers, CAI, Magnaflow exhaust and A Cervini mach1 hood. Its decently quick and the rubber hits the road through a 5 speed...
  12. thunder71173

    L67 engine swap comin this weekend!!

    I am finally going to do my L67 engine swap in my 99 GT this weekend. I will post pics of it next week but here is the list of mods. L67 w 75000 miles, all new gaskets, 180 t stat, 10.3 mm wires, al 104s, ported and polished Supercharger with slits filled, Tog headers with 3" catless down...
  13. thunder71173

    Gp forum email?? Acting crazy

    My email on this site tells me that I have messages and when I go in to retrieve them they arnt there? Also It will not allow me to delete messages?
  14. thunder71173

    Using a temporary PCM

    I am getting ready to drop my L67 in my 99 GT and I have to send my PCM off to intense to upgrade it for all of the mods I have with the new motor. My question is can a use the pcm out of another 99 gt to send off to them or can I run the spare one briefly while I waite for the one I send off...
  15. thunder71173

    New Kicks for the Prix!!

    Got some new Mille Miglia HT 3s so I thought I would see what you guys think!
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