PassageMaker

BLOW-BY, PUKE JUGS & CCVS

Compare the volume of the waste fumes generated by a working diesel engine to the quantity coming out of the exhaust and you’ll always find a small diff erence. While almost all the fumes the engine produces exit through your exhaust system, managing the missing ones can improve both the cleanliness of your engine room and the performance of your engine.

Blow-By

While the exhaust system expels nearly all of the fumes produced by the engine’s combustion, it’s not possible for it to capture 100 percent of the gases. A diesel engine works this way: As the piston moves toward the top of

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