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International Automotive Technicians Network
Re: 79 Mack Superliner Cummins NTC400
Posted to HD/Fleet Forum on 5/7/2008

[...trimmed text...]

Eric I have the numbers for you from the pump spec book.

This pump should run 139-153psi @ 2100

3.9 psi No air setting

2268rpm @ 15 psi rail min gov. run out 2457rpm @ 15 psi max gov. run out ... Login to read more.