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CATEGORY LISTINGS > CATERPILLAR > fuel filter problem [ REFRESH ]
Thread Title:

fuel filter problem


Created On Tuesday October 13, 2009 19:20 Diesel Talk
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isoc37
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Posts: 3
Joined: Oct 2009

Note Tuesday October 13, 2009 19:20 View users profile View thread in raw text format
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i have a 2001 freightliner classic xl with a c 15 cat (6nz) 550 i am tryin to mod the fuel presure and i have the pump modded and there is a presure reg. in the filter houseing and when i go to mod it like i want it i keep expanding the filter and makin it leak so i just added a little mod to it but when i changed the codes in the injectors to 5232 ithe presure came up to bout 170 to 200 at 1300 to 1500 rmp can i do anything to get it to keep the same presure at each side of the base at the coffee check fitting it is 220 wide open and 100 at idle and where the gauge reads it is bout 80at idle and anywhere from 115 to 220 wide open anyone got any suggestions i also have the wastgate blocked off pushing anywhere from 30 to 40 lbs of boost out of factory single turbo and the resistor mods done and the boost mod holding 28 lbs to the computer and it feels like with an empty flat bed i broke traction twice going home it runs good i pulled up next to a semi at a light that had 20,000 in box and i had 48,000 on deck and from a dead stop 3/4 throttle i out ran him by 2 trucks from 0 to 70 when we let out and we both were in it never asked what motor was in the truk but it was a usf holland freight peddler truck so who knows just like to see if i can get more out of it you know never have enough power lol have no idea what im putting to ground but its cool i dont race like that usuraly in a semi we just wanted to see what it would do and now i'm concerned it well brake shit if it has brass balls like has smile

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 c-15 (6nz) 550
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DDS
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Posts: 34
Joined: Aug 2008

Note Saturday November 14, 2009 06:19 View thread in raw text format
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You need to get the ECM flashed to a higher hp, you will see another 150 hp at least
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CATEGORY LISTINGS > CATERPILLAR [ REFRESH ]
Duncan Rogers (Engineering) Ltd
Duncan Rogers (Engineering) Ltd
Big Bear Engine Company
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