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Excessive Blowby 850 1995

uhmmm the breather pipe IS the pcv (positive cranckcase ventilation)..but it has no flame trap, in fact NO later 850/v70's do and volvo (I am told by my dealer) now RECOMEND removeing the flame trap if fitted...


of course the turbo never had the flame trap itself butthe early NA did...

also checking my haynes the compression spec on a turbo is 11-13bar..which is 159psi or better so at a 150 your on the low side...






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