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General Diesel Tech Farm equipment, Medium Duty, Big Rigs, and other General discussion can be found in here. |
06-27-2018, 11:08 PM
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#1
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Name: cntryby
Title: Rookie
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Posts: 26
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8.3l CAPS Pump
I'm looking at a school bus with an 8.3 that has the CAPS pump. Will the pump from a tractor (I think) run it on the bus?
PES6P
If not what would be the best solution to make it trouble free and what cost would it be. (approximately)
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06-28-2018, 06:48 AM
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#2
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Name: Snedge
Title: Comp Diesel Sponsor
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Location: Western Pa.
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Posts: 18,859
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An 8.3 ? Must be a hell of a school bus. I've seen a few videos on putting a P7100 in place of the CAPS pump. I believe there was a thread on that here years back. Maybe someone can dig that one up for you.
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06-28-2018, 07:11 AM
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#3
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Name: Signature600
Title: THA MAN!
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Join Date: Aug 2006
Location: Jeffersonville, Ohio
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Posts: 11,974
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What's wrong with the CAPS pump? Until something happens to it, I'd run it. They aren't nearly as bad as everyone says as long as you don't let Cummins overcharge you to work on it.
Chris
__________________
THANKS TO:
Tim Barber @ TRE Diesel
Jeff Mumau @ Mumau Diesel Service
Rip @ Source Automotive
Don Thuren @ ThurenFab Suspension
Columbus Diesel Supply
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06-28-2018, 07:12 AM
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#4
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Name: cntryby
Title: Rookie
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I found a thread or two but the guy that seemed to know what was needed was talking about tractors so I'm not sure its applicable.
Also, it was rather vague as they started talking details in e-mail or on the phone.
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06-28-2018, 07:14 AM
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#5
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Name: cntryby
Title: Rookie
Status: Not Here
Join Date: May 2010
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Posts: 26
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Quote:
Originally Posted by Signature600
What's wrong with the CAPS pump? Until something happens to it, I'd run it. They aren't nearly as bad as everyone says as long as you don't let Cummins overcharge you to work on it.
Chris
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Thats what I've been looking for but your the first to say it.
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06-28-2018, 07:28 AM
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#6
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Name: Snedge
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Sep 2006
Location: Western Pa.
Member`s Gallery
Posts: 18,859
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Quote:
Originally Posted by cntryby
Thats what I've been looking for but your the first to say it.
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It's not a bad fuel system. Filtration is the key to longevity.
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06-28-2018, 07:35 AM
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#7
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Name: Signature600
Title: THA MAN!
Status: Not Here
Join Date: Aug 2006
Location: Jeffersonville, Ohio
Member`s Gallery
Posts: 11,974
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Quote:
Originally Posted by cntryby
I found a thread or two but the guy that seemed to know what was needed was talking about tractors so I'm not sure its applicable.
Also, it was rather vague as they started talking details in e-mail or on the phone.
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Quote:
Originally Posted by cntryby
Thats what I've been looking for but your the first to say it.
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That was probably me...
We've figured out how to work on them without letting Cummins just replace the pump for $5800 plus labor.
Now, is it cheap when something goes wrong, not exactly, but you'll spend way more trying to make a P-pump fit than you'll spend to keep it running, IMHO.
I service probably 200 of them in Combines...only difference between them and a truck engine is the ECM.
I even have a Steinbauer chip for a QSC/ISC that I stole if you're looking for more power. Might have a 340hp ECM running around here too.
Chris
__________________
THANKS TO:
Tim Barber @ TRE Diesel
Jeff Mumau @ Mumau Diesel Service
Rip @ Source Automotive
Don Thuren @ ThurenFab Suspension
Columbus Diesel Supply
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06-28-2018, 08:11 AM
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#8
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Name: cntryby
Title: Rookie
Status: Not Here
Join Date: May 2010
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Posts: 26
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Quote:
Originally Posted by Signature600
That was probably me...
We've figured out how to work on them without letting Cummins just replace the pump for $5800 plus labor.
Now, is it cheap when something goes wrong, not exactly, but you'll spend way more trying to make a P-pump fit than you'll spend to keep it running, IMHO.
I service probably 200 of them in Combines...only difference between them and a truck engine is the ECM.
I even have a Steinbauer chip for a QSC/ISC that I stole if you're looking for more power. Might have a 340hp ECM running around here too.
Chris
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Man, that would be awesome.
Here's my situation, I found this school bus at a good price, has the 8.3 and Alison md3060, and suppose to be rust free, 190K on the odo. (no hours available)
I would have to fly out west and drive it home, 2000 miles
I will have a day to drive it around before I pay for it and leave to come home. I plan on:
frequent checks of the oil
smelling for fuel in the oil
monitoring the coolant temps
close eye on the trans fluid and temp (I'll take my infrared thermometer)
how the trans shifts
vibrations and or noises
keep checking the hubs for heat
the diff for heat
brake air pressure
power steering fluid
pre and post drive inspections for leaks
oil and filter change
air and fuel filter changes prior to leaving for home.
What else?
Last edited by cntryby; 06-28-2018 at 08:22 AM.
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06-28-2018, 09:39 AM
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#9
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Name: Signature600
Title: THA MAN!
Status: Not Here
Join Date: Aug 2006
Location: Jeffersonville, Ohio
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Posts: 11,974
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I'd say that's a pretty good list.
That is also a hell of a drivetrain for a school bus.
Chris
__________________
THANKS TO:
Tim Barber @ TRE Diesel
Jeff Mumau @ Mumau Diesel Service
Rip @ Source Automotive
Don Thuren @ ThurenFab Suspension
Columbus Diesel Supply
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06-28-2018, 10:05 AM
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#10
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Name: cntryby
Title: Rookie
Status: Not Here
Join Date: May 2010
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Which would be better, 8.3 with md3060 and CAPS or 8.3l mechanical with mt643?
Can the MT643 be swapped to md3060 with a stand alone controller?
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06-28-2018, 11:09 AM
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#11
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Name: Signature600
Title: THA MAN!
Status: Not Here
Join Date: Aug 2006
Location: Jeffersonville, Ohio
Member`s Gallery
Posts: 11,974
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I have an MD3060 laying here off an 8.3L CAPS engine...no wiring, but the controller is there.
Personally, I would say the CAPS engine with the newer OD transmission, and deal with any potential CAPS problems if they happen. You'll like the newer transmission a lot better, IMHO.
Chris
__________________
THANKS TO:
Tim Barber @ TRE Diesel
Jeff Mumau @ Mumau Diesel Service
Rip @ Source Automotive
Don Thuren @ ThurenFab Suspension
Columbus Diesel Supply
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06-28-2018, 11:13 AM
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#12
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Name: Snedge
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Sep 2006
Location: Western Pa.
Member`s Gallery
Posts: 18,859
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Quote:
Originally Posted by Signature600
That is also a hell of a drivetrain for a school bus.
Chris
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Must of been a school bus for giant children.
I'd like to see picture of the bus. I've never seen one with the 8.3.
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06-28-2018, 11:24 AM
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#13
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Name: Signature600
Title: THA MAN!
Status: Not Here
Join Date: Aug 2006
Location: Jeffersonville, Ohio
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Posts: 11,974
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No doubt.
Chris
__________________
THANKS TO:
Tim Barber @ TRE Diesel
Jeff Mumau @ Mumau Diesel Service
Rip @ Source Automotive
Don Thuren @ ThurenFab Suspension
Columbus Diesel Supply
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06-28-2018, 11:29 AM
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#14
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Name: cntryby
Title: Rookie
Status: Not Here
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Posts: 26
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headache
Man I've been researching so much I have a headache.
I guessed I'm being a bit paranoid about the CAPS. There's just so many horror stories!
wah wahh I want everything... lol.
I know the p7100 is as bullet proof as the 8.3, I plan on driving this thing all over the country, probably even up to Alaska. I'm just wanting good power and stone cold reliability. Don't wanna be stranded in the middle of nowhere as an old man.
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06-28-2018, 11:30 AM
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#15
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Name: cntryby
Title: Rookie
Status: Not Here
Join Date: May 2010
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Posts: 26
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Quote:
Originally Posted by Snedge
Must of been a school bus for giant children.
I'd like to see picture of the bus. I've never seen one with the 8.3.
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Hey now, don't be pick'n on the fat kids!
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06-28-2018, 11:35 AM
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#16
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Name: Signature600
Title: THA MAN!
Status: Not Here
Join Date: Aug 2006
Location: Jeffersonville, Ohio
Member`s Gallery
Posts: 11,974
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Quote:
Originally Posted by cntryby
Man I've been researching so much I have a headache.
I guessed I'm being a bit paranoid about the CAPS. There's just so many horror stories!
wah wahh I want everything... lol.
I know the p7100 is as bullet proof as the 8.3, I plan on driving this thing all over the country, probably even up to Alaska. I'm just wanting good power and stone cold reliability. Don't wanna be stranded in the middle of nowhere as an old man.
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Just leave it yellow and put some mannequins in the seats...everyone will stop to help.
Honestly, I wouldn't worry about the CAPS that much
Chris
__________________
THANKS TO:
Tim Barber @ TRE Diesel
Jeff Mumau @ Mumau Diesel Service
Rip @ Source Automotive
Don Thuren @ ThurenFab Suspension
Columbus Diesel Supply
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06-28-2018, 02:59 PM
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#17
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Name: Snedge
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Sep 2006
Location: Western Pa.
Member`s Gallery
Posts: 18,859
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Quote:
Originally Posted by cntryby
Hey now, don't be pick'n on the fat kids!
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I feel really bad about what McDonald's did to them.
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06-28-2018, 04:14 PM
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#18
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Name: cntryby
Title: Rookie
Status: Not Here
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Posts: 26
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Quote:
Originally Posted by Snedge
I feel really bad about what McDonald's did to them.
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They should sue!
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06-28-2018, 05:25 PM
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#19
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Name: Snedge
Title: Comp Diesel Sponsor
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Join Date: Sep 2006
Location: Western Pa.
Member`s Gallery
Posts: 18,859
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06-28-2018, 09:27 PM
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#20
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Name: cntryby
Title: Rookie
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Posts: 26
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