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Old 12-10-2006   #14
FattyBoomBatty
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Join Date: Dec 2003
Location: Boulder, CO
Drives: Conquest
Posts: 5,049
Re: brown man needs one of these!

Bah, it can happen to any engine, it may not be caused by blowby, it could be a random surge through a messed up PCV with high boost.

get a crankvent setup. some checkvalves - one for vac. only from the valve cover, then one for pressure from the crankcase -> to a nipple on the exhaust, and when there are vacuum pulses in the your exhaust, it'll suck out and burn any positive pressure. easy.
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