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Re: CAT C7 EXCESSIVE BLOWBY
Posted to HD/Fleet Forum on 9/25/2020

It "might" be serial number specific, but I don't think so, but make sure you've ruled out the turbo, as you won't "band aid" that...... After that, what John said. Cat has some parts that don't belong there, but might work for what you're doing. Login to read more.