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My friend has a 2008 hemi 6.1 very low kms and on hard aceleration it smoke a lot what could be the problem this engine only over heathing one the gage whent in the red only a couple minutes He shut it off and 10 minutes after it started right up I think may be intake gasket what You expert think thanks .

It is time to do a leak down test and seem what is going on in there. Heck 2008 is it not under warranty still????