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-   -   VP44 - P7100 conversion (https://www.dieselbombers.com/dodge-diesel-tech-articles/22831-vp44-p7100-conversion.html)

985cumminslover 09-28-2009 01:05 AM


Originally Posted by Dr. Evil (Post 297910)
That is not exactly accurate - the cost is no where near $11-12K...a buddy did his for $3-4k. He loves it and would not go back. He is using the 24V injectors as well.

thats true it can be done for a reasonable price and u can use 24v injectors cuz i know of a guy who used the mach 7 24v injectors thats are now in my 24v vp truck on his ppump convertd 24v cummins it also uses a commonrail head aswell

YOUNG GUNS 10-06-2009 11:09 PM


Originally Posted by cummins cowboy (Post 309136)
Hi this is my first post here! Anyway I just got done with my p-pump conversion yesterday. it was a little time consuming but it was a fairly simple job. I was able to complete it in around 20 hours. The easiest way is to find a 12 valve truck for parts and it is pretty much just a bolt on deal. There are a few mods you have to make like relocating the computer and grinding the head a little to clear the oil supply to the pump but other than that is was pretty much just bolt on. I'm very happy with the way it runs and it should be awesome once i spend some time tuning the pump. If you look around and find parts cheap you should be able to do the job for under $2000 including lines. Anyway just figured I'd put in my .02 worth.

this guy did it right and spent waaaaayyy less than the 10-12k mentioned before
i would like to have a p-pumped 24 valve....just cool

tower_ofpower 10-07-2009 01:14 AM

the "its alive!!!" truck sounds AMAZING, the old VE44 knocks and rattles and isnt quite as smooth. its an interesting concept with some awesome dyno numbers. i'd do it if i have a 24v and abunch of money to mess with

davo79 10-08-2009 12:25 AM


Originally Posted by Lostnwalmart (Post 334244)
it should swap over but you will need a 24v cam the 12v cam and 24v cam have different thickneses and if you run the 12v can you will reduce your lift. and therefore will need an electric lift pump :U: at least that is what i have heard. and you can run 24v injectors that are still set up for a vp44 it will just run better set up for a p pump :rocking:

Not entirely true you can get longer pushrods from schied for this conversion you also have to change the pistons as said already and the injector lines

24vchevy 12-23-2009 08:13 AM

from what i've heard 12 and 24 valves use different pistons due to the location of the injector in the head. so to switch the heads the rotating assembly would need to be changed as well.

mech3877 01-18-2010 07:51 PM

i sure would like to talk to you about this conversion. iam fixing to do this. any help would be greatly appreciated thanks russell mech3877@comcast.net

scottsjeeprolet 01-18-2010 08:19 PM

Here's everything you ever wanted to know about the swap.P-Pump 24Valve - Competition Diesel.Com - Bringing The BEST Together
I've seen one done myself.
He just did 1167HP - 2K+ tq on nitros and 714HP fuel only.

seandonato73 01-19-2010 11:42 PM

so with the use a 12v block an switch the head or just use a 24v and use the p-pump, which engine has the better block? isn't that more what you should be looking at, at least if you were going for power, i would want the strong block. any input?

jesse 02-08-2010 09:30 PM

I think I would want the stronger block also. I was thinking about doing the p-pump conversion to my 24 valve, but after reading this I think it would be a better idea to swap my 24 valve head over to a 12 valve block because I have the 53 block.

wes-cummins 02-09-2010 12:37 PM

whats a 53 block? i know the #1 main on the 24 valve blocks are bigger according to the service manual


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