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  1. J

    What's a safe boost level for a 1987 turbo coupe?

    I read somewhere that 9 psi is stock. that's where it was with the stock bcs. I have 3.73 rear because that is what the rear tag says plus it was auto trans converted to 5-speed. It has a K&N filter in the stock air filter housing but I drilled three 5/8 inch holes in it so when i drive, cooler...
  2. J

    VAM.. What is difference between stock and big?

    Hey it is, thanks. I learn something everyday.
  3. J

    What's a safe boost level for a 1987 turbo coupe?

    Cool. I'll keep it at about 16 just for longer engine life. I want to put a dynomax muffler on it and dump the exhaust. Any Idea how much hp that should give me on stock engine with 16 psi.
  4. J

    VAM.. What is difference between stock and big?

    Thanks for the reply. So where can I find this computer?
  5. J

    What's a safe boost level for a 1987 turbo coupe?

    I have a new remanufactured 1987 t-bird 2.3T with the IHI turbo in a old 4 cyl mustang lx body. I'm new with messing with turbo's. I bought a gillis boost valve and it's set at 12 psi. What is the max boost i can run safely without engine problems? Does the timing have to change like on my 95...
  6. J

    Turbo Destruction

    If the crankcase is pressurized from blowby , the oil seals could possibly leak by. That happened on my cummins turbo. also check the drain line foe obstructions.
  7. J

    First Impression on Stinger Header.

    Who makes that turbo? Are you impressed with it?
  8. J

    VAM.. What is difference between stock and big?

    I have a 1989 mustang lx that has a new remanufactured ford motorsports 1987 thunderbird turbo 2.3L engine. It is stock with the exception of a slightly ported intake manifold and a gillis boost valve set to about 12 psi. I saw big VAM on ebay and I was wondering if I should purchase one. Is...
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