1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

governor spring

Old Jul 18, 2009 | 12:13 PM
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Default governor spring

how hard and wut do i have to do to put a 5000 rpm governor spring in my 89
 
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Old Jul 18, 2009 | 12:15 PM
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The hardest part is finding a 5000 RPM governor spring. You can find one out of a VW application, don't expect 5000 RPM though.



It's an easy job as long as you're careful.
 
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Old Jul 18, 2009 | 12:22 PM
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Begle, are the 5000 springs not the wrong size for our pumps?


Mots of us are running the 3200 spring, some the 4200 spring. There are some modifications you need to do to teh 4200 spring to make it work. It is too long for out pumps. The install is pretty easy. there is a couple links on this site if you look around a little in this section.
 
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Old Jul 18, 2009 | 02:34 PM
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I've heard that they're the wrong size, but that's just a matter of trimming a little bit off of them. Then there's the funny multi-piece springs.

To get 5000 RPM you're looking at a lot more modifications than just a spring.
 
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Old Jul 18, 2009 | 02:37 PM
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oh yeah I know you are but I didn;t think teh 5000 spring would work at all. I thought you had to switch to the VW gov assembly.
 
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Old Jul 18, 2009 | 05:32 PM
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If it's the right length it's gotta work, right?


I'm just waiting for somebody to try my baling wire idea...
 
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Old Jul 18, 2009 | 09:37 PM
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i guess so.
 
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Old Jul 18, 2009 | 10:36 PM
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why bother with a governor spring at all......just a solid link.....

ive thought about trying to find someone that could make a 3600 and 4000 spring that would bolt into the trucks, it would be nice to have that extra 400 RPM's out of a 3600......matter of fact, if anyone knows someone that could produce one that was drop in like the 3200 spring i would pay to have some made.....
 
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Old Jul 18, 2009 | 10:42 PM
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Why not just buy a 4200 RPM spring and trim the two coils off required to make it work?

My baling wire idea would be a solid link. Of baling wire.
 
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Old Jul 18, 2009 | 10:44 PM
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Originally Posted by Begle1
Why not just buy a 4200 RPM spring and trim the two coils off required to make it work?

My baling wire idea would be a solid link. Of baling wire.
BECAUSE I AM LAZY AND DONT WANT TO CUT AND MODIFY STUFF AFTER BUYING IT.....
 
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