p7100 swap question

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p7100 swap question

Postby brandonmgreer » Tue Mar 04, 2014 12:40 am

Ok, I'm not p pumping a first gen!

I have a 92 parts truck and it has a puked pump on it... My 95 i guess had a piston problem when I got it, and I'm pretty sure I have a burnt piston...

What all do I have to take into account to put the ve motor in the 95 with a p pump? I know I need the gears and timing cover swapped out. My curiosity comes in here. What are the differences in the piston? I know the 91-93 pistons supposedly have a really small bowl.

I am going to de-tune the pump when i swap them.
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Re: p7100 swap question

Postby cmann250 » Tue Mar 04, 2014 4:42 am

As far as I know, the bowls of the IC 1stgen pistons are the same as the 2nd gen 12v piston bowls. There may be a difference on one ring, but the bowls should be the same.
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Re: p7100 swap question

Postby Tacoclaw » Tue Mar 04, 2014 4:42 am

Oughta be the same pistons, you'll have to yank the cam and swap the actual timing case itself as well. Also swap to the p-pump injectors. The shutoff solenoid is a bastard on those pumps, if you don't go pull cable you'll have to setup a dedicated pull wire hooked to your start circuit.


Also, there shouldn't be any need to detune the pump, it's the same longblock.
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Re: p7100 swap question

Postby ellis93 » Tue Mar 04, 2014 5:36 am

Tacoclaw wrote: The shutoff solenoid is a bastard on those pumps, if you don't go pull cable you'll have to setup a dedicated pull wire hooked to your start circuit.

Easy fix.....run a wire from the motor side of the starter solenoid then attach the other end of the wire to the pull coil on the shutdown solenoid.....fixed :) no fancy foot work required
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Re: p7100 swap question

Postby DodgeFreak » Tue Mar 04, 2014 6:11 am

ellis93 wrote:
Tacoclaw wrote: The shutoff solenoid is a bastard on those pumps, if you don't go pull cable you'll have to setup a dedicated pull wire hooked to your start circuit.

Easy fix.....run a wire from the motor side of the starter solenoid then attach the other end of the wire to the pull coil on the shutdown solenoid.....fixed :) no fancy foot work required


isn't this going in his 95 that's already ppumped??? should just be able to swap everything over and plug in..

The adapter plate will need swapped and starter, intake horn, lines ect. pistons are the same.
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Re: p7100 swap question

Postby ellis93 » Tue Mar 04, 2014 6:44 am

That's what it read like to me,I just read Levi's post and put a little fyi to it. :)
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Re: p7100 swap question

Postby DodgeFreak » Tue Mar 04, 2014 6:52 am

ellis93 wrote:That's what it read like to me,I just read Levi's post and put a little fyi to it. :)


Ok just making sure ;) 8)
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Re: p7100 swap question

Postby brandonmgreer » Thu Mar 06, 2014 7:00 pm

Thanks for the info guys!

Yes, the whole mess is going back in the 95, so it should all be plug n play. I know the front case and gears all have to be swapped, along with the lines and injectors... did you say i gotta pull te cam and swap them?

I love this site!
White/black 92 D250 manual conversion, Pump tweaking is about it right now...
95 CCLB 4X4 5 speed being but back together from a wreck
99 Kenworth W900 flat top, Tuned 500 Detroit, BW 75mm 1.32A/R, 5915 injectors, 13 speed, 3.55's
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Re: p7100 swap question

Postby DodgeFreak » Thu Mar 06, 2014 8:24 pm

same cam. just swap gears.
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Re: p7100 swap question

Postby brandonmgreer » Thu Mar 06, 2014 8:55 pm

ten 4
White/black 92 D250 manual conversion, Pump tweaking is about it right now...
95 CCLB 4X4 5 speed being but back together from a wreck
99 Kenworth W900 flat top, Tuned 500 Detroit, BW 75mm 1.32A/R, 5915 injectors, 13 speed, 3.55's
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Re: p7100 swap question

Postby PToombs » Fri Mar 07, 2014 6:42 pm

You need to pull the cam to swap the timing case. Pretty sure the gears on the cam are the same and don't need to be swapped.
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Re: p7100 swap question

Postby DodgeFreak » Sat Mar 08, 2014 10:49 am

PToombs wrote:You need to pull the cam to swap the timing case. Pretty sure the gears on the cam are the same and don't need to be swapped.


Could be. but I thought I read someplace when I was going to swap to a p7100 that they was different...I could of miss read it also. I got a whole engine that threw a rod so I didn't worry about it since I had everything anyways.
92 D350 Cab and Chassis. Auto stock, wiring gremlins. 330k miles
92 W250 Ext cab rotted completely out. Auto, pump maxed, 215 ppump nozzles, Denny T2 pin.
85 D350 single wheel, converted to cummins, getrag, turned up 2 turns and afc screw flush.
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Re: p7100 swap question

Postby DMan1198 » Sat Mar 08, 2014 11:04 pm

I might be wrong, but I think the 94-98 cams are a little more aggressive than the 1st gen cam
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Re: p7100 swap question

Postby RCCUMMINS89 » Sun Mar 09, 2014 8:37 am

Cams are different profiles.
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Re: p7100 swap question

Postby DodgeFreak » Sun Mar 09, 2014 9:38 am

HA! guess that goes to show don't believe everything you're told....I guess I was told wrong when I was going to swap pumps. I don't even remember where I was told that. but I just remember someone telling me swap gears and the cam was the same.... I'll just shut up now lol.
92 D350 Cab and Chassis. Auto stock, wiring gremlins. 330k miles
92 W250 Ext cab rotted completely out. Auto, pump maxed, 215 ppump nozzles, Denny T2 pin.
85 D350 single wheel, converted to cummins, getrag, turned up 2 turns and afc screw flush.
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