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  1. J

    Knock Retard at WOT

    I bought an 1987 GN several months ago, and I have been trying to sort out all of the performance issues. The previous owner was meticulous about making things look nice, but I don't think that he ever stepped on the gas. It is basically stock, but has an aftermarket cone air filter and hard...
  2. J

    Transmission, no overdrive and not shifting under WOT

    I am fairly new to Grand Nationals and automatic transmissions. I purchased a Grand National several months ago, and have been going through several problems (replaced turbo, shorts in radio, new window motors, suspension, etc). Now I am going through the transmission issues. From the...
  3. J

    Steering Box Removal Procedure?

    I just purchased an 87 Grand National, and I've been going through and getting it more road worthy. The steering is the next thing I want to get corrected. The previous owner replaced almost all of the front suspension components, but there still appears to be play in the Steering Box (and...
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