I have DD'd a GTP since 2000. Great car. As Matt said, the intake has a leaking issue, the front valve cover leaks on the exhaust manifold (recall covers this) transmissions are hit or miss. You can also have water leaking through the HVAC system if a gasket deteriorates at the cowl seal.
But I love the car. Absolutely love it.
The great unknown (in my opinion) is the supercharger oil. GM does not say if you ever need to change it, and it's not in the service manuals. If it has never been changed you may end up buying a car with toasted S/C bearings.
Al, if you have any other questions shoot me a PM and I'd be more than happy to tell you what I can.
Last edited by WildBillyT; 01-18-2009 at 12:18 PM.
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