Lightweight Pulleys - Page 8 - Dodge Cummins Diesel Forum
3rd Gen. Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect...NO ADVERTISING

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post #85 of 115 (permalink) Old 11-11-2019, 11:04 AM Thread Starter
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Anything over 20 mpg is pretty darn amazing in these trucks. Was that with EWP?
No, EWP install failed, that is just with the 2 pulleys & all the other mods. Throttle response WITH fuel pulled back is still pretty darn good, took full advantage of it yesterday


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post #86 of 115 (permalink) Old 11-11-2019, 11:11 AM
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No, EWP install failed, that is just with the 2 pulleys & all the other mods. Throttle response WITH fuel pulled back is still pretty darn good, took full advantage of it yesterday
Does that mean you didn't get around to it, or you did, and something went horribly wrong?

03 QCLB- 19 to 25 mpg with electric parts, and engine mods....
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post #87 of 115 (permalink) Old 11-11-2019, 12:05 PM Thread Starter
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Does that mean you didn't get around to it, or you did, and something went horribly wrong?
Nope, just encountered the same problem you described and am considering options...

https://www.cumminsforum.com/forum/3...l#post29137311

one possible solution, an expensive one, is to get a larger pulley made for the pump.

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 #88 of 115 (permalink) Old 11-12-2019, 09:57 PM
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Mounted my new lightweight pulley on my new PS pump today, man what a tight fit! I noticed something strange, but good. The new pump body is made by Toyoda no not Toyota, "Toyoda" I didn't know they made pumps, but they make very high end precision CNC cylindrical grinders. They also make the pump for the Cadillac CTS. Maybe you will hear me say now WOW, my truck drives like a Cadillac!

03 QCLB- 19 to 25 mpg with electric parts, and engine mods....
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post #89 of 115 (permalink) Old 11-12-2019, 11:01 PM Thread Starter
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Mounted my new lightweight pulley on my new PS pump today, man what a tight fit! I noticed something strange, but good. The new pump body is made by Toyoda no not Toyota, "Toyoda" I didn't know they made pumps, but they make very high end precision CNC cylindrical grinders. They also make the pump for the Cadillac CTS. Maybe you will hear me say now WOW, my truck drives like a Cadillac!
your swapping in a zf pump for the orignal pos pump?

lmk how the steering feel is afterwards...

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 #90 of 115 (permalink) Old 11-13-2019, 09:32 AM
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I had an 08 pump in it already, and it was an improvement. But it was a very high 200k mileage pump. I got a new 11,12 pump with the resi and pulley for cheap so I bought it.

03 QCLB- 19 to 25 mpg with electric parts, and engine mods....
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post #91 of 115 (permalink) Old 11-13-2019, 09:37 AM Thread Starter
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I had an 08 pump in it already, and it was an improvement. But it was a very high 200k mileage pump. I got a new 11,12 pump with the resi and pulley for cheap so I bought it.
200k is not much for a pump... a maintained pump anyways... i make a mental note to see how well mine performs at a standstill & it seems to continue to work fine. fluids swapoed every 50kish starting around 150k mikes on the truck.

when does the new pump go in?

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 #92 of 115 (permalink) Old 11-13-2019, 09:43 AM
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Well, it looked like the fluid was never changed, like black oil in the resi so I just rinsed it out best I could and gave it a try just to see if any improvement. Now I figured start fresh with a new pump and hydro assist, and box.

03 QCLB- 19 to 25 mpg with electric parts, and engine mods....
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post #93 of 115 (permalink) Old 11-13-2019, 09:47 AM Thread Starter
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Well, it looked like the fluid was never changed, like black oil in the resi so I just rinsed it out best I could and gave it a try just to see if any improvement. Now I figured start fresh with a new pump and hydro assist, and box.
soooo next year? lol (no anser on ?)

just last night i taught a 16 yr old how to flush a power steering system, ford focus... it also was black as coal, still needs several more to clear it all out but it works a lot better and no noises. there was a screen in the resi that plugged up causing low flow on the pump side.

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 #94 of 115 (permalink) Old 11-13-2019, 10:10 AM
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Maybe today if my back lets me get it done. (old war wound)
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03 QCLB- 19 to 25 mpg with electric parts, and engine mods....
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post #95 of 115 (permalink) Old 11-13-2019, 10:21 AM Thread Starter
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Ha back issues... I also have one, now maybe 2. 1st one I'd feel a pin prick in the spine & the muscles in the lower back would tighten up so bad it hurt to walk. Funny thing was walking is what always loosened it up, just took time to get it all going again. 2nd one, still have no idea what or why... I think it was a combo of things. A few weeks back I was working a trail building a drainage bridge, digging in a trench all day bent over. Felt OK when done but then slept on an old mattress that was well past its prime, then worked on a car the next day and was on the ground in odd positions. Been nursing that one now for a couple of weeks. It has the 180* opposite of the first pains I mentioned... this one, walking hurts, standing too long in one spot brings it on pretty quick.

Sunday I was doing another memorial work party for a gal who led crews I'd worked on (RIP Amelia) so there was no missing it. Almost bailed at the trailhead cause I was miserable. Soldiered thru it and had no issues once I got going. That night however after the 2~2.5 hr drive home, got out to fill up the truck, into a store for supplies and had to stop 2x in the store cause of leg pain. That was not good!!! Thought I was gonna bail out of work on Monday cause I did not expect it to get any better overnight. Well funny thing happened when the alarm went off, laying on one side, I stretched with the legs straight out and extended the toes down and viola... pain in the back gone. WTF? OK so I got outa bed & was 95% normal. Now 2 days later, still 95% normal, still have minor pains back there but nothing that is going to stop me from living the dream...


edit: Oh yeah, forgot to mention in all the rambling above... the first back issue I mentioned... I stopped having those when i started doing the work parties on the trails... was surprised by it.

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 #96 of 115 (permalink) Old 11-13-2019, 10:47 AM
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Ya if your muscles are out of balance or not strong that can cause problems. Un fortunately for me I took a header off a cliff one night while leading a patrol through the jungle. Crushed vertebrae, dislocated shoulder, bulging disks, leg and foot pain. Then I go and get a knee replacement and the Dr. makes it too short and crooked, so my back has never been worse. Somedays I use a cane, and some days a walker, some days not too bad. Laying on the garage floor working on a truck is good therapy!

03 QCLB- 19 to 25 mpg with electric parts, and engine mods....
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