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  1. Hey people. I just put a new thread in the new members forum. Anyway, I have a few questions about the 4t65e. Could I put a cryo treated standard diff in it behind a LS4? I would be trying to get the engine rpms down during cruising speeds. I would have all the hard parts cryo treated as well. Just some thoughts and opinions. Thanks.
  2. Hey. My name is David. I am looking at getting a 2008 Grand Prix GXP soon and I will be looking at doing some mods to it eventually. I hope I can learn new things here. Thanks in advance.