Hot Rod Forum banner

grand prix

  1. 1997 grand prix

    Hotrodding Basics
    weird thing my car just stopped as I was driving it-took it to 2 mechanics that drove it and could not find anything wrong with it and it didn't throw any codes
  2. TOO High idle on 72 pontiac 400 w Qjet

    Hotrodding Basics
    I have a 1972 pontiac grand prix with a 400 ci engine & rochester Q jet. I am experiencing very high idle at 1500 and can't get it to come down any lower. I have checked all vacuum lines and the carborator base gasket. I did a check with liquid at intake mani bolts without finding any leaks...
Top