Electric Water Pump Swap - Dodge Cummins Diesel Forum
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post #1 of 99 (permalink) Old 09-26-2019, 10:04 AM Thread Starter
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Electric Water Pump Swap

Inspired by these threads... and the performance changes I saw with the lightweight pulley swap...

https://www.cumminsforum.com/forum/3...-electric.html

https://www.cumminsforum.com/forum/3...t-pulleys.html

https://www.cumminsforum.com/forum/3...fluidampr.html


I picked up one of these to swap in

https://www.jegs.com/i/JEGS/555/50935/10002/-1







The goal of this thread is to document time in use (hours before failure) aka MTBF (mean time between failure), install parts, process & issues encountered and performance changes (throttle response & mpg changes). I already know the light weight pulleys affected throttle response noticeably (2 lb drop of rotational mass & smaller fan pulley diameter) so for me its a no-brainer. Two concerns I have, slow steep dirt roads heading to trailheads and the MTBF. My truck sees 2-3000 miles a month so if any issues are going to pop up, should be fairly quick.

Debating when the install happens, I have 2 longer road trips coming up, one of which is Sunday and I'd prefer to have some local run time before that trip, 2nd one is the following Saturday... and actually, there are 3 more following that (trail work season has returned)

Also, a side note, I will probably be updating/replacing my fan shroud soon as well, it needs some love as its getting a tad bit crowded with some added relays.

Anyways... fun in the sun continues.

edit: 09/27/2019, 418,2xx miles, hr = 9999 <- may be maxed out <- Confirmed, max hours recorded can only be 9999 on my truck.

Edit: belt p/n for using the OEM pulley plus the fluidampr pulley

Gates p/n K081102HD
https://www.rockauto.com/en/moreinfo...78980&jsn=2595

https://www.cumminsforum.com/forum/3...t-pulleys.html


Add in the life span of the belt

before mpg, 21.0** mpg
after mpg 21.93* mpg (same tune as before)
retunned, 21.822 mpg, (apples to apples comparison to the before mpg, same work commute route) 12/7/2019 (mild week of temps & little rain)








424284 miles 12/4/2019


AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #2 of 99 (permalink) Old 09-26-2019, 10:05 AM Thread Starter
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Came across this fan today while reading the Jegs flyer... May be of use to some.

https://www.flex-a-lite.com/electric...an-puller.html

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #3 of 99 (permalink) Old 09-29-2019, 01:07 PM
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Interested to see your results.

Iím skeptical of that fan not just being a gimmick, however at 18.5 amps it has some grunt behind it.


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post #4 of 99 (permalink) Old 09-29-2019, 01:33 PM
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Wish I had known of this water pump last month. I could have given some feedback and in turn tried something that could better the reliability of my own truck.

2005 QCSB, cold air intake, guages, a trans built by me and HPTuners tunes by me
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post #5 of 99 (permalink) Old 09-30-2019, 09:39 AM Thread Starter
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Quote:
Originally Posted by 4everlearning View Post
Wish I had known of this water pump last month. I could have given some feedback and in turn tried something that could better the reliability of my own truck.
Its been talked about for months now...

https://www.cumminsforum.com/forum/3...-electric.html

Gator does not put that many miles on his truck so longer evaluation is not there yet. I average 35k or so miles a year in my truck so any issues should bubble to the surface.
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AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #6 of 99 (permalink) Old 09-30-2019, 09:46 AM Thread Starter
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Quote:
Originally Posted by TheKid760 View Post
Interested to see your results.

Iím skeptical of that fan not just being a gimmick, however at 18.5 amps it has some grunt behind it.


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Yeah the fan might be worth testing. I have the test chamber still and anemometer, could easily do a test on it along with a spare volvo fan I have for a side by side test. The better test is the a radiator core so it sees the same load. The volvo tests I did years back were just thru a radiator sized box connected to a 12x12x(18?) port, no radiator in front of it. Having a real core to pull thru would tell a us lot.

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #7 of 99 (permalink) Old 09-30-2019, 09:49 AM Thread Starter
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Quote:
Originally Posted by 4everlearning View Post
Wish I had known of this water pump last month. I could have given some feedback and in turn tried something that could better the reliability of my own truck.
here is a post with pics of his setup...

https://www.cumminsforum.com/forum/3...l#post29093881

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #8 of 99 (permalink) Old 09-30-2019, 10:23 AM
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Quote:
Originally Posted by steve05ram360 View Post
here is a post with pics of his setup...



https://www.cumminsforum.com/forum/3...l#post29093881


I hadnít seen the other thread. Looks like a good read that Iíll have to get to in the next day or two.

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post #9 of 99 (permalink) Old 09-30-2019, 10:54 AM Thread Starter
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Quote:
Originally Posted by 4everlearning View Post
I hadnít seen the other thread. Looks like a good read that Iíll have to get to in the next day or two.
Yeah there is some good info in there, I had planned to do incremental updates to mine where I pulled one of the pulleys off (fan drive pulley) and monitor the throttle response changes, drive it for a bit and then do the last pulley & EWP swap. I just dont have the time these days (or patience???) to get that done. I already know the throttle response change is going to be big. Tuning it after that is what will take time to get it dialed back in and leverage the change, just like the AL driveshaft swap.


I will say though that the throttle response change with just the 2 light weight pulleys is worth it. There is also a possibility that the idler pulley I found might be a bolt in swap with no other changes. It should be a light weight part already because of the material used in its construction (vs the steel one we have), it might even be lighter than the AL one I installed.

FWIW, my opinion... anyone installing the light weight pulleys on a high HP/TQ truck probably is not going to notice any change, this could easily be dismissed as a "do nothing" mod, however that is not the case. Over the weekend my son drove my truck and was surprised by how much pep it has even with the fueling pulled back the way it is.
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AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #10 of 99 (permalink) Old 10-01-2019, 10:16 AM Thread Starter
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Update... Hour meter maxes out at 9999, mine has not incremented since the last time I checked.

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #11 of 99 (permalink) Old 10-03-2019, 10:19 AM Thread Starter
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New belt & tensioner ordered from Rockauto.com, here next friday.
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AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #12 of 99 (permalink) Old 10-20-2019, 01:57 PM Thread Starter
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I went to look at 2 alternators in prep for the 220A upgrade and came away with questions. I have pics from both OEM and what was supposed to be a 2015 6.7 primary alt but it was not, it had a different number than what was in the box. what was interesting though was the ecm connector was the same.

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 424k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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