I might guess that some how you valve is over riding and your not closing it but realy just opening it all the way.?
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James
1 Bobbed 5 ton with lockers in rear and W/W
30 Outher Military Trucks
4 Military Cranes
3 Military semitrailers
2 Military expandable semitrailers
3 military gens. 3k 5k 10k
And storage of to many Military parts that it might be a sin.
I replaced the Cummins fuel shut off, and it works fine now, however the brass nut is leaking on the emergency shutt off, is it possible to just order that brass fitting? searched the internet and didn't find it. It was sucking in air and causing my 5 ton to lack power and idle funny... any suggestions