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  1. 84GP455

    1981 Grand Prix lj v6 no start

    I bet it is the ignition module also. It doesn't take much to fry that thing.
  2. 84GP455

    GRAND PRIX 79 Grand Prix Resurrection

    I have a regular Edelbrock Perfomer not the RPM manifold on my 455 in my 84 GP with a drop base air cleaner and a 4" element with no clearance problems. You have to make sure that you are using the motor mounts for the 301ci motor because they are a lot shallower than the 400 or 455 ones. And...
  3. 84GP455

    TH400 Kickdown Question

    I'm sure you can be able to use one of those three brackets that you have now. The main thing is those 3 mounting holes need to line up, I have an 84 GP and I used a bracket from a 70's "B" body and it was identical except for the hole for mounting the switch was on the 70's one but not my 84...
  4. 84GP455

    TH400 Setup Questions

    No, only the aftermarket modulators are adjustable I believe. No, the TH400 is pretty much bullet proof unlike the sensitive TH200-4R which can get ruined with an incorrect TV cable setup. I've tried to smoke a TH400 before but the only thing that happened was my driveshaft was twisted in half...
  5. 84GP455

    TH400 Setup Questions

    The switch is easy to mount but you need to get the correct bracket, That motor home should have it if it's still available. I went to the junkyard and got a gas pedal from a "B" body 70's car and it bolts right up in place of the 80's bracket. There is a mounting spot on the bracket for the...
  6. 84GP455

    TH400 Setup Questions

    I've had a TH400 in my 84GP for about 25 years with little to no problems at all. I switched to the TH200-4R a few years ago and love it. In my opinion a kick down rod and a TV cable is more trouble to hook up and get it right than the TH400 vacuum control module. If you can see the vacuum line...
  7. 84GP455

    GRAND PRIX 79 Grand Prix Resurrection

    Since those are Ram Air "restoration" manifolds and they breathe better than factory "D" ports you might want to keep them over the headers. It's my opinion but headers are really a headache and these manifolds have been tested against headers in High Performance Pontiac magazine and they flowed...
  8. 84GP455

    GRAND PRIX 79 Grand Prix Resurrection

    If those are Ram Air manifolds then they would be round ports, as all Ram Air heads were round port which are not interchangeable with D port manifolds. If he has 6X heads they are "D" port manifolds........ So they are Ram Air "reproduction" manifolds not factory, I see now.
  9. 84GP455

    GRAND PRIX 79 Grand Prix Resurrection

    For the gaskets one says "D-shaped Center with Oval End Ports" and the other just says "D" port. There are only one size "D" port as far as I know, they are either round ports, pre-1970 (with the exception of the Ram Air heads) or "D" ports 1970-up. As far as header go, in my opinion they are...
  10. 84GP455

    GRAND PRIX 79 Grand Prix Resurrection

    Pontiac guy here with a similar set up, I like your project keep it up! PONTIAC LIVES!
  11. 84GP455

    New member from Southern New Hampshire

    Welcome to the forum! Good luck on your search, i'm close by in Methuen, Mass. what band are you in?
  12. 84GP455

    body bushing repair

    I understand and thank you for your warning and concern, I am very aware of this jobs potential to be a nightmare, but I have a friend who is very capable and is a good metal fabricator and he has a 5 stall garage, all the proper tools, the knowledge and the experience of doing this job on past...
  13. 84GP455

    body bushing repair

    It will be repaired no matter what damage may appear I always prepare for the worst but don't dwell on it,,, I am not worried about it but thank you for all your horror stories, every car is different as far as rot goes..... and I am determined to make it better, not show room perfect.
  14. 84GP455

    Door Speakers

    This is my door speaker setup, I had to space them out a bit because the magnet was hitting the window track a little. But boy it's very clear and close to the ears.
  15. 84GP455

    body bushing repair

    Thanks for the encouragement,,,but i'm not worried, my frame is solid even on the top where the bushing meets the body. The body metal is pretty thin to begin with, I've already checked the frame out.
  16. 84GP455

    body bushing repair

    Well obviously there is some rust on a car that is 35 years old but......it is not my frame that is rotted, there are some bad areas on the body metal where it meets the frame and bushing in the trunk on the drivers side.
  17. 84GP455

    body bushing repair

    Ok thank you all for the advice. I found a friend of a friend who is going to assist me and let me use his garage lift and tools. So i will be posting pics and maybe some video of the process. The bad area is the trunk body where it meets the frame, but the frame is solid.
  18. 84GP455

    body bushing repair

    Thank you Shoedoos....that is exactly what I need!
  19. 84GP455

    body bushing repair

    Hey everyone, i'm about to look into having the 35 year old frame bushings on my GP replaced. They are obviously no good anymore and my body is slapping against my frame when i go over big bumps,,,,not good! I looked under there as best i could without a lift and there are 2 trouble spots where...
  20. 84GP455

    Accessing front speakers on a GP

    When I upgraded the tunes in my GP I realized that those dash speakers where hard to replace so I didn't use them. I changed the speaker in the middle which is a 4x6 I believe, and easy to get to, and I got an adapter plate that incorporates spaces for 2 3x3 in that 4x6 space for front imaging...

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