14mm Life Expectancy

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14mm Life Expectancy

Postby Kasper Cummins » Sun Apr 15, 2012 9:01 am

Just pick up a pump and thinking about putting a 14mm h&r on it. I would like to know how many miles or pulls, what rpms, what kind of fuel set up, what size injectors, and what kind of power people are doing with these? I know it takes a big fuel system to keep them happy but what kind of pump and what pressure? What kind of setup would it take to make it live a happy life a 4000 or 4200 rpms
92 W250 club cab

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Re: 14mm Life Expectancy

Postby peobryant » Sun Apr 15, 2012 6:06 pm

From what I've read over the past few years, with a healthy fuel supply and reasonable RPM the 14mm pump should do just fine. I don't think they'll live at the RPM you're wanting.

What's the reason you want to go to a 14mm H&R? What are you trying to do with the truck?
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Re: 14mm Life Expectancy

Postby CE_TX » Mon Apr 16, 2012 4:46 pm

How much constant fuel psi does a 14mm VE require??
1985 Dodge W350 Crew Cab with 1992 Cummins drivetrain---undergoing frame off restoration.
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Re: 14mm Life Expectancy

Postby Kasper Cummins » Tue Apr 17, 2012 5:55 pm

peobryant wrote:From what I've read over the past few years, with a healthy fuel supply and reasonable RPM the 14mm pump should do just fine. I don't think they'll live at the RPM you're wanting.

What's the reason you want to go to a 14mm H&R? What are you trying to do with the truck?


The reason why, because I can :D. I only put maybe 3000 miles on it a year, it not my main transportation, if it brakes I can fix it when I have time. And Im still try to talk my brother in to giving me the turbo that he got off a case quad track, I'm not sure what it is but its huge and need a rebuild.

I know JQmiles is running 30psi to his pump with and A1000, but I don't think he is turning it to 4000rpms. I have only heard of 4 trucks running a 14mm so I want to know if there are more and what their setup is.
92 W250 club cab

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Re: 14mm Life Expectancy

Postby dazedandconfused » Tue Apr 17, 2012 6:03 pm

Im thinking of running this pump when i go 14mm.
http://www.dieseltrans.com/dodge/ASSASSIN.htm
Big Andy
1983 Dodge D150 that has been repowered with a 93 Cummins/518 running gear AKA The Ugly Duck! I would much rather build them then buy them.[
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Re: 14mm Life Expectancy

Postby Kasper Cummins » Tue Apr 17, 2012 6:10 pm

That would work nice and the price is not to bad. But what would you set the max pressure at?
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Re: 14mm Life Expectancy

Postby BILTIT » Tue Apr 17, 2012 6:53 pm

dazedandconfused wrote:Im thinking of running this pump when i go 14mm.
http://www.dieseltrans.com/dodge/ASSASSIN.htm


A friend of mine just bought one of those for his 3rd gen. He will be installing it soon. Might be overkill for a 1stgen though.
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Re: 14mm Life Expectancy

Postby JQmile » Tue Apr 17, 2012 7:57 pm

I can jump in my truck and drive it any time I want....and I don't forsee it breaking. But....

1.I Have big injectors
2.I limit rpm to 3500
3.My lift pump and filters flow 150+gph
4.I run 30+psi all the time with a loctite seal

I would suggest the same to any future 14mm users.....quit trying to make power at 4,000rpm, they break!
1989 D250 2wd. Scheid 14mm VE pump and 5x25's, J&H Performance 47RH trans with Suncoast manual valvebody, dual wastegates, 62/65/14 S300, NX Dual Stage nitrous, 487 on fuel, 972 on the jug.
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Re: 14mm Life Expectancy

Postby JustinRhodes » Tue Apr 17, 2012 8:57 pm

dazedandconfused wrote:Im thinking of running this pump when i go 14mm.
http://www.dieseltrans.com/dodge/ASSASSIN.htm



How would that pump hold up to a DD truck? I have been looking at buying it, but I know the gear driven lift pumps last like 10000 before they are junk and was wondering about these.
91 Dodge W250 Pee Pumped Cummings
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