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Thread: Excessive blow by, 1.5 quarts missing after ~10 pulls

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Posts: 11-11 of 11
2017-06-10 21:44:32
Originally Posted by SR20?
How would I know if I'm lifting the head?

I only knew from air in my coolant system and a passing leak down test...didnt make sense. I've also seen head gaskets blown from cyl to coolant port but still pass a leak down. I'm not sure about leak down tests and if they adequately test the pressures involved under boost.
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