well think i need a pump

dirttymaxx

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Nov 15, 2010
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sharpsburg,ky
well here is a log file from our pulling truck,looks like i need a new pump!
what you guys think. . . . . .
 

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  • march 20th dsp5 full race tune.zip
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S Phinney

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Aug 15, 2008
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Quncy, Fl
You could have some fuel restrictions also that can cause the same issues. check the pick up, check to see if any lines are sucking closed etc.. i would do that to rule out those problems before spending the money on parts.
 

x MadMAX DIESEL

<<<< No Horsepower
Dec 30, 2008
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Lexington, Ky
What kind of cp3 are you getting? Also did you get much more power with those 45 overs on the stock cp3, or was that kinda to help relieability only
 

Chevy1925

don't know sh!t about IFS
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Oct 21, 2009
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Phoenix Az
for 45% overs, single CP3 (im assuming stock with little mods from your sig) runnin 3000uS, i think you did pretty damn good if its jsut now not holding rail pressure
 

dirttymaxx

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Nov 15, 2010
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sharpsburg,ky
as far as cp3 goes i think im going with one from diesel injection out of louisville ky
yeah i seen a little power pick up,but i couldnt realy use them untill i get a new pump because of rail pressure.
my reason for going with 45% over was,with stock sticks your chasing the piston down the hole=== unburn fuel,lower power. thats when your using a big PW tune

are ya with me? or are you lost?
 

dirttymaxx

New member
Nov 15, 2010
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sharpsburg,ky
for 45% overs, single CP3 (im assuming stock with little mods from your sig) runnin 3000uS, i think you did pretty damn good if its jsut now not holding rail pressure


yep,when we had it out the other day,loged it to make sure we were go to go this year and seen the rail pressure drop. that was one year of seld pulling running that big 3000PW tune