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  1. 1964-1974 Tempest, Lemans & GTO General Discussion
    GTO gurus, I've put my deposit down on a Len Williams 400ci Long Block (it's about a 5-6 months delivery time). I'd like to get input on what I should order from Santa to finish up this beauty. It's going in a 1967 hardtop GTO, TH400 automatic with GV Overdrive and 3:36 gears. I'm not looking...
  2. 1964-1974 Tempest, Lemans & GTO General Discussion
    GTO Experts, What is the hole used for, the one that has been covered with a small plate and 2 Hex screws in the middle of the intake manifold? I got this used from a friend. Does it need to be well sealed? I've never taken it off, just wondering. Thanks, Carl
  3. 1964-1974 Tempest, Lemans & GTO Engine Compartment
    Hi guys. So, my first technical question and post. I've tried searching forums for answers first and couldn't find my situation. I hope this isn't re-hashing something that's already been discussed! And I apologize for the long read, but I want to give as much information as I can. When we...
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