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most likely blow by from your head. its normal since u prolly still have a rubber hose going from the valve cover to the intake. you can fix that by getting a catch can, just so happens QPR is gunna be designing their own, you could prolly get one from them when they are done. but your PUT PUT, hmmm... im not sure, im not in the mood to think what so ever right now, so just do what they said!
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