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General Discussion
Fords PSD vs Dodes Cummins..
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<blockquote data-quote="Boomer" data-source="post: 1348638" data-attributes="member: 16016"><p>From what I have seen, the norm for owners of Dodges with the Cummins B series engines (AKA the "12 valves") is to replace worn out mechanical lift pumps with new mechanical lift pumps. It is the least expensive, easiest, and most reliable route to take. Why mess with a good thing? I'd be surprised if there are any 12v Cummins owners in in this thread who HAVE replaced their mechanical lift pumps with electric ones.</p><p></p><p>That being said, some people who have really modded their 12v engines and cranked up the power to impractical levels have found the mechanical lift pump isn't able to deliver enough fuel at those levels and have switched over to high volume electric lift pump systems.</p><p></p><p>The later ISB series engines with the VP44 electronic injection pump (AKA the "24 valves") are the ones that tend to have lift pump issues with subsequent injection pump issues. These are the guys adding aftermarket lift pump systems to help keep their injection pumps alive.</p><p></p><p>A good old Cummins B series 12 valve is pretty much like your IDI 7.3 in not needing any electronics to run. Heck, even the fuel shutoff solenoid can be operated manually if need be.</p></blockquote><p></p>
[QUOTE="Boomer, post: 1348638, member: 16016"] From what I have seen, the norm for owners of Dodges with the Cummins B series engines (AKA the "12 valves") is to replace worn out mechanical lift pumps with new mechanical lift pumps. It is the least expensive, easiest, and most reliable route to take. Why mess with a good thing? I'd be surprised if there are any 12v Cummins owners in in this thread who HAVE replaced their mechanical lift pumps with electric ones. That being said, some people who have really modded their 12v engines and cranked up the power to impractical levels have found the mechanical lift pump isn't able to deliver enough fuel at those levels and have switched over to high volume electric lift pump systems. The later ISB series engines with the VP44 electronic injection pump (AKA the "24 valves") are the ones that tend to have lift pump issues with subsequent injection pump issues. These are the guys adding aftermarket lift pump systems to help keep their injection pumps alive. A good old Cummins B series 12 valve is pretty much like your IDI 7.3 in not needing any electronics to run. Heck, even the fuel shutoff solenoid can be operated manually if need be. [/QUOTE]
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