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Re: 5.9 cummins fuel supply w/ in tank pump
Posted to HD/Fleet Forum on 4/12/2010 6 Replies

Have you found any Cummins block-mounted pump trucks that had more than 5PSI at the test port at WOT, full-load, near governed RPM?

I haven't. That's why I said it was normal.

Happy trails, Login to read more.

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