Big Rigs & Semis Discussion of Diesels Used for Transportation of Goods

Turning up a 8.3 cummins

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Old May 23, 2007 | 10:33 PM
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cat416d's Avatar
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Default Turning up a 8.3 cummins

My dad owns a 98 Sterling L7501 dumptruck. It has a 250hp 8.3L Cummins. The truck is bone stock with only 27,000 miles. We were wondering if there is any way to get more out of this truck without costing to much money.

Thanks
Mike
 
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Old May 23, 2007 | 10:40 PM
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we have a 93 f800 with a 8.3
it has the same p7100 pump my 5.9 has.

you can put a torque palt in it. gutt the afc turn the star wheel.

you can also buy marine injectors and such for it also. http://www.cmdmarine.com/commercialinboards.html
 
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Old May 24, 2007 | 12:50 PM
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Depends on what pump it's got on it I guess, a P pump is fairly simple a cheap but if it's got a VP style pump then your looking at a programmer to get the gains.
 
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Old May 24, 2007 | 01:01 PM
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does the 8.3 come with a vp???
i have never seen one my self. all the one's i have seen where all inline pumps.
 
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Old May 24, 2007 | 01:13 PM
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It would be dependant on the age of the motor and what Tier it belongs to I think.
 
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Old May 24, 2007 | 03:18 PM
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being a 98 its probably an inline pump, i think they stayed inline longer then the 5.9's did, two of our firetrucks have VP 8.3's
 
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Old May 24, 2007 | 03:32 PM
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Yeah, basically you open the hood and look. I don't know for sure.
 
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Old May 24, 2007 | 04:57 PM
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of course marine and on the road is different in some aspects

i know that even the new 8.3 now are still using an inline pump.
i'm not sure if it's still the p7100 or maybe somthing bigger now?
 
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Old May 24, 2007 | 09:38 PM
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I will check it this weekend we do some maintenance on it and I will report back.

Mike
 
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Old May 24, 2007 | 09:58 PM
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OTR 8.3s are outfitted with a electronic rotory type pump im assuming that its a VP
 
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