• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

Recent content by MaineGP

  1. M

    3800 Max Overbore?

    The title says most of it. How much over-bore can these engines take. Model year 2004. I would like to go at least .060" if pistons are available. More if the block won't end up with cylinder walls too thin. That also depends on available pistons. Possibly if I could locate or be pointed in the...
  2. M

    Valve Cover Gaskets

    2004 Grand Prix. NOS factory engine installed 2 years ago. Now the valve cover gaskets are leaking already all over the garage floor. I understand there is a redesigned gasket set. How do I know I am getting the right ones? Does anyone know the part number of the ones that will not leak again...
  3. M

    Just Joined This Forum

    Hi, Joined this forum for info and Pontiac tech. 2004 Grand Prix. 142,000 miles. Las vegas Car. No rust! Just finished, all new front and rear suspension components. New engine and transmission 28K miles ago. Got the car for free due to a no start condition. Plugged fuel filter. Drove car to...
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