P-Pump Swap
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Diesel Enthusiast
Joined: Feb 2010
Posts: 352
Likes: 31
From: Wisconsin
P-Pump Swap
So over my Christmas break from school i did a P-pump swap on the '92. It went fairly smooth and my only bump was getting a 2nd gen lift pump to work with my stock cam. im not sure if there is a difference but i broke 1 from cummins(made in China) and local autoparts store brand. they worked for awhile and then gave up. So airdog it was and after that it ran perfect. Here is the link to my pictures if anyone is interested.
P7100 Series Swap | Facebook
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Another thing i did different compared to the thread in the sticky is i used my old throttle linkage, since my donor engine was out of a fedex truck. I welded the throttle cable bracked to the frame rail and using the same ball and stud rod was able to control my throttle.
P7100 Series Swap | Facebook
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Another thing i did different compared to the thread in the sticky is i used my old throttle linkage, since my donor engine was out of a fedex truck. I welded the throttle cable bracked to the frame rail and using the same ball and stud rod was able to control my throttle.
Last edited by kieron_kohlmann; Jan 18, 2011 at 10:42 PM. Reason: Automerged Doublepost
Thread Starter
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Diesel Enthusiast
Joined: Feb 2010
Posts: 352
Likes: 31
From: Wisconsin
It has it benefits and its downfalls. obviously anytime you re-engineer something in your garage that took a professionals countless hours and million of dollars to design the first time, your asking for problems. Having said that its a huge pump size wise. a lot harder to time and a lot harder to start. from a performance stand point, i need to do some fine tuning, and being in wisconsin its hard to get traction even in 4wd to see what she has. From what i feel so far im excited to start dialing it in more when it gets a tad warmer.
It has it benefits and its downfalls. obviously anytime you re-engineer something in your garage that took a professionals countless hours and million of dollars to design the first time, your asking for problems. Having said that its a huge pump size wise. a lot harder to time and a lot harder to start. from a performance stand point, i need to do some fine tuning, and being in wisconsin its hard to get traction even in 4wd to see what she has. From what i feel so far im excited to start dialing it in more when it gets a tad warmer.
Are the VE pumps easier to start than the P-pumps?
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Diesel Enthusiast
Joined: Feb 2010
Posts: 352
Likes: 31
From: Wisconsin
VE pumps have an advance piston on the side that advance the pump to allow for easier starting. P-pumps dont. Nothing starts like a first gen. half crank start any day. Theres a reason why 2nd gen trucks have 2 batteries.....
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Diesel Enthusiast
Joined: Feb 2010
Posts: 352
Likes: 31
From: Wisconsin
so to answer the performance question all i can say is WOW. i never thought a truck could pull like this. it is a little ridiculous how quick it goes, but man its sure fun. Once i get it dialed in a little better ill bring it to the track and see what she turns.
