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  1. scgnx2

    Exhaust hangers

    G body has the complete hanger assembly for $129 😳. But all you need is that rubber strap, a couple bolts and drill out the original rivets. Auto zone did carry rubber straps in there Help section. But any muffler shop should be able to help you out.
  2. scgnx2

    Re-sealing and freshening up the motor

    Since you’re pulling the timing cover off. It’s an opportunity to replace the water pump as well. Been running a 160f thermostat since 1990…no issues. 60# injectors and new chip for your combo is popular mod. Fuel pump upgrade and hot wire setup absolutely.
  3. scgnx2

    powermaster rebuild kits and seals

    I think you just ruled out Kirbans..lol Follow Beatav8’s advise and DIY or swap to vacuum.
  4. scgnx2

    Power Master 30 amp fuse keeps blowing

    Try putting an ad in the “Parts wanted” section for the powermaster motor. You might find someone who has it. Richard Clark may also rebuild them as well. However, replacing the whole Powermaster with a vacuum brake setup is by far the least expensive route to take.
  5. scgnx2

    Carnage from GS Nationals !!

    Do you think a Girdle on the block would have helped prevent it cracking like that ?
  6. scgnx2

    Meziere H2O pump

    There are many members here including myself run the Chrysler Intrepid dual fans from early 90’s. They require simple mods to mount them and electrical harness adapter and relay. Do a search and you’ll find plenty of info.
  7. scgnx2

    Meziere H2O pump

    Before you try a new water pump, replace the stock fan with a dual fan setup. That should help a lot especially with front mount inter coolers.
  8. scgnx2

    Looking for Heater core and heater valve

    If you’re going through all the work to replace the heater core. Do yourself a big favor and buy a new one… there not expensive. Checkout Rockauto. This one fits without modifications
  9. scgnx2

    Fuel sender connector burnt ?

    Sure, those contacts are tiny. I’m guessing that they would not handle 5 or so amps per circuit. So, you’re probably exceeding that especially at 60 psi. Amperage draw is higher. That would explain the melt down as well.
  10. scgnx2

    Fuel sender connector burnt ?

    That connector melted due to high resistance through the male pin/female contact. Corrosion on the plating of the contacts or “loose” female contacts which affects the spring force on the pin. Those are common failure modes. Additionally, when using 2 pins to apply power (splitting) sounds like...
  11. scgnx2

    84/85 injector wire harness vs 86/87?

    Here’s a pic of a replacement for a 84/85
  12. scgnx2

    84/85 injector wire harness vs 86/87?

    They are not interchangeable as they have different connector setups. The 84/85 used 2 connectors while the 86/87 uses a single connector.
  13. scgnx2

    Motortrend GM Muscle Car History

    Very well written article with a lot of information on these cars. The one thing I’m wondering is on the development of the GNX. Did they actually modify or replace the cylinder heads ? I was always under the impression that they did not.
  14. scgnx2

    GN's built in Pontiac MI per day?

    Great info, Thank you. Interesting they upped the Turbo Engines to 125 builds a day. They were also setting up stock for Pontiac ASM for Grand National extensions. Which would be the 1500 Pontiac Turbo Trans Ams in 1989.
  15. scgnx2

    GN's built in Pontiac MI per day?

    If you pull the rear seat out there should be a build sheet in there. Mine was dated 10/27 which is the date of Fischer body build. Final production was done on the following day. That’s my understanding at least.
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