fuel limiting valve 05 3500
Would an 05 5.9 have a fuel limiting valve? If so can it be adjusted, tweaked, or modified
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The pressure relief valve is there for just that. You can plug it off, but if you get too big a spike in rail pressure, it's gonna send it through your injectors, causing them to either crack, or blow the tips off. Either one, and you wind up flooding a cylinder with diesel, then it's a scored cylinder w/ the crankcase full of fuel. Blowed engine comes next.
So yes it can be modded, but without a rail pressure gauge, your taking a $10,000 chance. |
Wow! Thanks, I didn't know it would be that deep
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It's to be plugged ONLY when diagnosing a high pressure fuel leak. :tu:
I guess while were talking about it, any reason for the interest in modding it? |
I was just thinking of ways to kick up the fuel flow a bit, I don't want to hurt
anything though |
You can get a little more flow by getting a little bigger CP3. Something that flows 30% more than stock will be good enough. Not too sure if a CP3 off a 6.7 will work, but if it does, they flow a little more than the 5.9's and be a little cheaper to boot.
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Doesnt matter if you have more flow or not, if you dont have the programing to demand more fuel.
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