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Re: School Bus Lacks Power - OLD DIESEL HELP
Posted to HD/Fleet Forum on 7/3/2019 3 Replies

Back in the nineties I filled every fuel filter with dexron at service to let the detergents do their thing. I also threw a pint into my S-10 2L oilpan to quiet the lifters, the 82 engine prone to valve train noise. Login to read more.

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