ramcharger said

I'm hoping that it's just from the intake. You can pressurize the system with a special pump with a radiator neck adapter, but if it's a head gasket or intake manifold, you really can't see the leak.

I would replace the intake gaskets first and rtv the coolant passages and see if that fixes it. The white smoke is a bad sign though......

Does the exhaust smell like coolant?

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grumpuscreature said

Try a little Permatex High Tack around the water passages front and rear. Spray it on the metal surfaces, not the gasket. It's worked for me more than once. The downside is difficult intake removal in future, but if it don't leak why do you need to remove it? Hope this helps.

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