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the blocks would not crack from extreme heat but rather from rapid temprature change suck as going through water and soak the block. i am not aware of any such problem and it would heklp if you mantioned what engine you are talking about
Well, it was a false alarm!! A buddy who works for Chicago Stamping had sent me a fake:
Make : FORD Model : EXPLORER Year : 2001
Crash : No Fire : No Number of Injuries: 0
ODI ID Number : 10024582 Date of Failure: June 20, 2003
Component: ENGINE AND ENGINE COOLING
Summary: Coolant leaking from crack in engine block.