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02-20-2011, 09:42 PM
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#1
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Name: Willy91
Title: Too Much Time
Status: Not Here
Join Date: Jan 2007
Location: Greensburg, IN
Member`s Gallery
Posts: 1,520
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03 defueling under heavy throttle?
Hello, I have an 03. 305 ho automatic. running a smarty with revo program on 8 and tst power max on 2. The truck drives fine, but when given heavier throttle it will run great in first gear and 2nd, once it hits 3 around 40 mph or so the truck will stop accelerating and act like its bogging down almost, will not come out of it until I let off, and then it will drive normally. Running an airdog for fuel supply, stock cp3. I'm prett new to the common rails and wondering if this is a pretty common problem and what the fix is? thanks
__________________
97 Dodge 2500, std. cab 4wd. twin turbo, 13mm fueled
Thanks to:
Steven Cole
Done Right Diesel
Diesel performance converters
Pure diesel power
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02-20-2011, 10:08 PM
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#2
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Name: 2007 5.9
Title: West Coast Dyno Modifier
Status: Not Here
Join Date: Jan 2008
Location: NorCal
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Posts: 1,927
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With smarty on 8 and TST on...your for sure draining the rail.
Either turn the TST off or turn the smarty down to 5.
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02-21-2011, 06:48 PM
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#3
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Name: Willy91
Title: Too Much Time
Status: Not Here
Join Date: Jan 2007
Location: Greensburg, IN
Member`s Gallery
Posts: 1,520
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Quote:
Originally Posted by 2007 5.9
With smarty on 8 and TST on...your for sure draining the rail.
Either turn the TST off or turn the smarty down to 5.
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Ok that's kind of what I suspected, but I didn't know how much the stock system would handle, I have a rail guage coming shortly. How big of a pump would it take to handle the smarty/tst? I have no ther plans than that, this is just my daily driver.
__________________
97 Dodge 2500, std. cab 4wd. twin turbo, 13mm fueled
Thanks to:
Steven Cole
Done Right Diesel
Diesel performance converters
Pure diesel power
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02-21-2011, 07:01 PM
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#4
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Name: 2007 5.9
Title: West Coast Dyno Modifier
Status: Not Here
Join Date: Jan 2008
Location: NorCal
Member`s Gallery
Posts: 1,927
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Quote:
Originally Posted by Willy91
Ok that's kind of what I suspected, but I didn't know how much the stock system would handle, I have a rail guage coming shortly. How big of a pump would it take to handle the smarty/tst? I have no ther plans than that, this is just my daily driver.
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Recently we had a stock injector dual stock cp3 '06 make 607hp with a smarty/TST stack.
It truly depends on your injector goal.
Stock injectors, I'd suggest a Stg 2 to handle that stack.
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02-22-2011, 01:34 PM
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#5
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Name: nomercy
Title: cheeseburgler
Status: Not Here
Join Date: Sep 2008
Location: indiana
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Posts: 1,999
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hope you have an egt gauge also I bets it getting pretty damn hot
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02-22-2011, 01:43 PM
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#6
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Name: Scooter's Roofing
Title: Too Much Time
Status: Not Here
Join Date: Oct 2006
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Posts: 17,007
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shouldn't be running out of fuel IMO...
unless the CP3 is weak...
check your rail relief valve
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that's pretty much all of it
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02-22-2011, 07:06 PM
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#7
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Name: Willy91
Title: Too Much Time
Status: Not Here
Join Date: Jan 2007
Location: Greensburg, IN
Member`s Gallery
Posts: 1,520
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Quote:
Originally Posted by nomercy
hope you have an egt gauge also I bets it getting pretty damn hot
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It's not getting all that hot, like 12-1300 maybe. That's part of the reason I was thinking lack of fuel, I just don't know yet exactly where the limits are on stock common rail fuel systems.
__________________
97 Dodge 2500, std. cab 4wd. twin turbo, 13mm fueled
Thanks to:
Steven Cole
Done Right Diesel
Diesel performance converters
Pure diesel power
|
|
|
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02-22-2011, 07:07 PM
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#8
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Name: Willy91
Title: Too Much Time
Status: Not Here
Join Date: Jan 2007
Location: Greensburg, IN
Member`s Gallery
Posts: 1,520
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Quote:
Originally Posted by Forrest Nearing
shouldn't be running out of fuel IMO...
unless the CP3 is weak...
check your rail relief valve
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Will the relief valve be easy to see if it"s bad once I get the rail guage on it?
__________________
97 Dodge 2500, std. cab 4wd. twin turbo, 13mm fueled
Thanks to:
Steven Cole
Done Right Diesel
Diesel performance converters
Pure diesel power
|
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|
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02-23-2011, 02:00 PM
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#9
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Name: nomercy
Title: cheeseburgler
Status: Not Here
Join Date: Sep 2008
Location: indiana
Member`s Gallery
Posts: 1,999
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I doubt you popped it since you dont have a pressure box etc. the rail gauge will just tell you what pressure you have. ive ran the stack before and it will drain the rail even with a modded pump my truck would pop and cut out but the wasnt an 03 either. they seem to run alot better with a tst than the newer trucks do. if it wont build much pressure ive got a rail cap you could borrow to see if the relief valve is bad also but I wouldnt run it forever.
Last edited by nomercy; 02-23-2011 at 02:03 PM.
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