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3rd Gen. Performance Parts Discussion Discussion of Performance Parts For the 3rd Gen Trucks No Advertising ...NO ADVERTISING

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post #169 of 315 (permalink) Old 09-19-2019, 06:57 PM
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I'll do it... I will earn more tomorrow.

How much surface area did you conclude was needed for good grip on a pulley? I see the contact patch on the pump being on the small side. It could also act as a fixed tensioner


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post #170 of 315 (permalink) Old 09-19-2019, 07:13 PM Thread Starter
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Quote:
Originally Posted by steve05ram360 View Post
I'll do it... I will earn more tomorrow.

How much surface area did you conclude was needed for good grip on a pulley? I see the contact patch on the pump being on the small side. It could also act as a fixed tensioner
I always thought 90 deg minimum, but that's on the back "slippery side" of the belt so it might need more.

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post #171 of 315 (permalink) Old 09-19-2019, 08:01 PM
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The pump might not meet that 90* criteria going on to the PS pump. It would be close though.

(stored your pics gator)

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post #172 of 315 (permalink) Old 09-19-2019, 08:05 PM Thread Starter
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it would be good if your belt tensioner was fairly new also. Mine had only 15 lb of tension on it because I never changed it. I put a new one on and it was up to 35 lb of tension. It's worth a try anyways for those that don't want to jump into an EWP right away.

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post #173 of 315 (permalink) Old 09-19-2019, 08:38 PM
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Very good point. Another thing came to mind was to change that fan pulley out for a small idler pulley to gain some more belt wrap around the pump. I came across a BMW pulley (may have mentioned it) that was ultra light which made me investigate pulleys more which led to that ford 7.3 idler pulley find ($50 @ Rockauto.com)

Throttle response... its like a beer you cant get enough of lol

how many miles would 3000 hrs equal out to... Its all about run time.


My hangup on the epump is the estimated 3000 hour lifespan. That is probably something like 40~45k miles.

my thinking is like this:
40 min one way to work, 60 min back for 100 minutes a day
100*5 = 500 minutes/week just for work
500*52 =26000 minutes for commute or 18,200 miles (70 mi * 5, * 52 weeks)
26000*2 = 52000 minutes/yr (guesstamate)

3000 *60 = 180,000 minute lifespan
180,000/52,000 minutes (anual estimate)

= approx 3.5 yrs of life for driving approx 35k/yr

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 423k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #174 of 315 (permalink) Old 09-19-2019, 08:44 PM Thread Starter
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Quote:
Originally Posted by steve05ram360 View Post
Very good point. Another thing came to mind was to change that fan pulley out for a small idler pulley to gain some more belt wrap around the pump. I came across a BMW pulley (may have mentioned it) that was ultra light which made me investigate pulleys more which led to that ford 7.3 idler pulley find ($50 @ Rockauto.com)

Throttle response... its like a beer you cant get enough of lol

how many miles would 3000 hrs equal out to... Its all about run time.


My hangup on the epump is the estimated 3000 hour lifespan. That is probably something like 40~45k miles.

my thinking is like this:
40 min one way to work, 60 min back for 100 minutes a day
100*5 = 500 minutes/week just for work
500*52 =26000 minutes for commute or 18,200 miles (70 mi * 5, * 52 weeks)
26000*2 = 52000 minutes/yr (guesstamate)

3000 *60 = 180,000 minute lifespan
180,000/52,000 minutes (anual estimate)

= approx 3.5 yrs of life for driving approx 35k/yr
Yes, you could use the location of the fan pulley for another spring tensioner, or just a idler pulley, great idea!

As far as the EWP I agree I want to change mine out as soon as I can to avoid any issues. The pump I'll end up using is a couple hundred $$$ more + fittings and hose $700.00 ish. But I'm hoping it will be my last pump if it lasts the expected 10,000 hours. I'm retired now, so it's our weekend cruise vehicle.

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post #175 of 315 (permalink) Old 09-19-2019, 08:53 PM
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I got 313k with 8608 hours so if the pumps lasted 3k that’s 3 pumps and I’m on my 4th that I can remember so that’s not to bad I don’t think .

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post #176 of 315 (permalink) Old 09-19-2019, 09:04 PM Thread Starter
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That works also!

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post #177 of 315 (permalink) Old 09-19-2019, 09:17 PM
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Gator , you still got that smaller aluminum fan pulley ?

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post #178 of 315 (permalink) Old 09-19-2019, 09:24 PM Thread Starter
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Gator , you still got that smaller aluminum fan pulley ?
Yes I do. I never drove it, just used it for a mock up.

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post #179 of 315 (permalink) Old 09-19-2019, 09:37 PM
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I drove it 6 miles home from where I installed it and immediately ordered the idler pulley above it. Throttle response being the driving force behind the decision.

AFE PG7 drop in filter, AFE Torque Tube, HTT 2.5 turbo, AFE e-mani, ATS Arc Flo, 50HP DDP , 423k, HPTuners, G56, 25.065 mpg, mpg threads ->https://www.cumminsforum.com/forum/3...l#post23312562
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post #180 of 315 (permalink) Old 09-19-2019, 09:44 PM Thread Starter
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Throttle response and acceleration off idle is better, = next level on the tuner, and crazy MPG numbers. lol

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