It's Pontiac's Achilles heel. Well, that and the poor flowing heads. Oh, and the antiquated cooling system design, the grand canyon lifter valley, the short valve spring installed heights, the heat soaking starter solenoid, and the alternator up on top looking like a Ford flathead. I think that pretty much covers it.
When you get the leaks down to the point a pizza box will catch them, you've got it.
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Triple Black 1971 GTO
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