Sounds like Wade is thinking the same as me. Check the radiator for signs of oil floating around in the coolant and drain the oil to see if there is signs of coolant in the pan. If so I'm sorry to say you have a blown head gasket. Although, it could be something as simple as a manifold gasket leaking. Did you but RTV around the coolant passages on the intake gasket?
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Too much to list. Best ET on the car so far with stock 2.73 gears - 13.73@102mph
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