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Re: Long term effect of exhaust valve not opening
Posted to Technical Theory Forum on 7/22/2023

This one is an EPA 04 so no DPF. The EPA 07 6 cyls did in cylinder dosing and all the Maxx7 V8's were in cylinder. We put a 6 cyl DT in an EPA 07 for an oil well service co. Truck has some kind of pump set up on it that runs as much as 72 hours straight at 1,4... Login to read more.