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Re: DT 466 mechanical engine, low power
Posted to HD/Fleet Forum on 2/14/2024

Post the VIN of the truck. IIRC before 1994 210HP was the max HP but the VIN will tell me. FIRST step, new fuel filters.

Some of these old ones did not have a factory port to check boost. We would carefully drill a hole in the outlet side of the Charge Air C... Login to read more.