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CAT C7 EXCESSIVE BLOWBY
Posted to HD/Fleet Forum on 9/23/2020 9 Replies

We have a cat C7 with excessive blowby pushing oil out the road draft tube. It is not a single cylinder problem just worn [...] are aware of what it would take to repair properly. The vehicle is not worth rebuilding or replacing the motor. Anyone use a catch c... Login to read more.

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