5.9L 24V Performance Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps Related To Performance And Longevity

ppump conversion timing

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  #1  
Old 03-04-2012, 08:34 PM
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Default ppump conversion timing

I just finished my ppump conversion and I'm thinking about running24* but I don't know if that's too much
 
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Old 03-04-2012, 09:15 PM
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it will be slower spooling and have less power below 2000 rpm but when it comes alive it is great! and your mpg will be better.
 
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Old 03-06-2012, 08:42 AM
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That makes since would it kinda skip when I free rev or would that he caused by my number6 injection line leaking
 
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Old 03-06-2012, 09:37 AM
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what is done to your head? fireringed or oringed i hope! you will blow a head gasket all to hell at 24* if nothing has been done there. most street guys i talk to that have head work done like 18*-22*

the skip could be a bad OFV mine was more like a miss free revving
 
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Old 03-06-2012, 07:46 PM
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The ofv came new with the conversion kitI have an industrial injection ported and polished fire ringed head with110# valve springs and arp studs I was running 20* and it ran great but if I free revved it would studder . I found out my number6 injection line is leaking and my return line had a small leak I went to drive it today and it idle fine but when I tried to drive it shudders and pours white smoke did it jump time or is it because of the leaks
 

Last edited by wiseguy63; 03-06-2012 at 07:49 PM.
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Old 03-06-2012, 08:01 PM
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timing leaks dont help but the white smoke is timing how high does the truck rev? is it pretty gutless? it about has to be timing
 
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Old 03-06-2012, 08:21 PM
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I havent revved it to high cuz its so rough I'm worried I'll mess something up I probably need to pull the timing cover and clean the pump shaft and the gear to make sure it doesn't jump again
 
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Old 03-06-2012, 08:34 PM
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yep that is what it did. and there is no need to pull the cover off. just go through the oil fill hole. use a bunch of brake cleaner and compressed air and it will stay where you put it. think my nut is at 155ftlbs.
 
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Old 03-06-2012, 08:50 PM
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I think there is paint over spray on the shaft from when I had my pump painted can I still just use cleaner and air? If so that would be awesome
 
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Old 03-07-2012, 06:25 AM
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cant for sure tell you without seeing it but you should be able to. if it is just over spray and the gear has slipped and twisted all the paint residue off. you should be able to get lucky...
 


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