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performance lpop

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Old Feb 1, 2014 | 04:41 PM
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performance lpop

Hey guys, ive got an 03 6.0. Launched another lpop today. 5th one in the life of the truck. Its a 6spd and I turn the crap out of it. Where is a good place to get a performace one? 160k and hoping for 300...
 
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Old Feb 1, 2014 | 04:55 PM
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I have an 03 on my original lower pump, used to turn 4200 .... so what is ...going on?
 
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Old Feb 1, 2014 | 05:04 PM
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Post a Pic of these LPOP Gears

I assume you have something else going on But the result is LPOP Failure
 
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Old Feb 1, 2014 | 05:07 PM
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Are you stuffing new gears back in and moving on or did you replace the front engine cover each time? Fluid damper by any chance? Just throwing that out there.
 
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Old Feb 1, 2014 | 05:22 PM
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The inner gear breaks in 4 pieces and is wedged into the outer gear. Changed the first one at 30k. Can't imagine whats going on otherwise. Good oil, good pressure only happens on a hard 2nd/3rd shift.... ive got pics but not sure how to post em. And yes I have changed the front cover before. Last couple times just tossed gears in it.
 
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Old Feb 1, 2014 | 05:24 PM
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Perhaps I should invest in a torsional dampner?
 
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Old Feb 1, 2014 | 05:30 PM
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Normally, they do not just up and break. You said you turn the crap out of it... what RPM's are you running?
 
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Old Feb 1, 2014 | 05:35 PM
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Just curious - do you ever use aftermarket oil filters?

Reason I am asking is I wonder if you can somewhat "starve" the HPOP for oil by allowing some of the oil flow to drain back to the crankcase. Just trying to think out-loud what might put extra stress on the pump.
 
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Old Feb 1, 2014 | 05:36 PM
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Today was about 4100 when it broke, I was loaded with s 10000 lb tractor and schooling a dmax.... of course my celebration was short lived. There are times she gets some "hot suppers" though haha
 
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Old Feb 1, 2014 | 05:41 PM
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Yes Bismic........... guilty as charged. And I know better!
 
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Old Feb 1, 2014 | 05:41 PM
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Got a few things, you are consistent, so without much explanation. Trash will break the gear, crank movement, operator error. Pick one. Hate to be blunt but...
 
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Old Feb 1, 2014 | 05:42 PM
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You have crank/bearing issues
 
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Old Feb 1, 2014 | 05:42 PM
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Originally Posted by bismic
Just curious - do you ever use aftermarket oil filters?

Reason I am asking is I wonder if you can somewhat "starve" the HPOP for oil by allowing some of the oil flow to drain back to the crankcase. Just trying to think out-loud what might put extra stress on the pump.
The OP is grenading LPOPs not HPOPs

Josh
 
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Old Feb 1, 2014 | 05:43 PM
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Nevermind.....
 
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Old Feb 1, 2014 | 05:44 PM
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I was assuming there were performance pumps out there. Looked at RIVER CITY, no dice... oil change and motorcraft filters?...
 
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