Nitrous Fuel Pressure Problems
02-02-2003, 02:25 PM
#1
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Nitrous Fuel Pressure Problems
After installing the SARD FPR, I can't get the fuel pressure right on my current dry setup. Everytime I change the Fuel bypass jet, I still get a contant 50psi reading on my FP gauge. And I am running WAY LEAN because my EGTs are incredibly high. I have checked all my vacuum hoses and they are all zip-tied. I have a bad feeling that the vacuum line going to the SARD is somewhat too big, but it is only 1/8" vacuum line that I could barely fit over the fitting. Anyone have any idea? I am not too too worried about this because I am going direct port on my MEVI, whenever I can find all the plumbing parts required to convert my dry setup to the dp setup. Thanks all......
02-02-2003, 02:41 PM
#2
Re: Nitrous Fuel Pressure Problems
You have upgraded your fuel pump haven't you? 
Originally posted by Ramius83
After installing the SARD FPR, I can't get the fuel pressure right on my current dry setup. Everytime I change the Fuel bypass jet, I still get a contant 50psi reading on my FP gauge. And I am running WAY LEAN because my EGTs are incredibly high. I have checked all my vacuum hoses and they are all zip-tied. I have a bad feeling that the vacuum line going to the SARD is somewhat too big, but it is only 1/8" vacuum line that I could barely fit over the fitting. Anyone have any idea? I am not too too worried about this because I am going direct port on my MEVI, whenever I can find all the plumbing parts required to convert my dry setup to the dp setup. Thanks all......
After installing the SARD FPR, I can't get the fuel pressure right on my current dry setup. Everytime I change the Fuel bypass jet, I still get a contant 50psi reading on my FP gauge. And I am running WAY LEAN because my EGTs are incredibly high. I have checked all my vacuum hoses and they are all zip-tied. I have a bad feeling that the vacuum line going to the SARD is somewhat too big, but it is only 1/8" vacuum line that I could barely fit over the fitting. Anyone have any idea? I am not too too worried about this because I am going direct port on my MEVI, whenever I can find all the plumbing parts required to convert my dry setup to the dp setup. Thanks all......
02-02-2003, 04:21 PM
#3
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Re: Re: Nitrous Fuel Pressure Problems
Originally posted by mtrai760
You have upgraded your fuel pump haven't you?
You have upgraded your fuel pump haven't you?
Mtrai760Good guess Mtrai, but that was one of the first things I did when I first installed the dry setup more and a year ago. I got the Walbro 255lph fuel pump.
02-02-2003, 04:34 PM
#4
Re: Re: Re: Nitrous Fuel Pressure Problems
Maybe a piece of debris is stuck in the regulator valve (blue anodized thing) did you pull that apart yet? What nitrous pressure are you running?
Originally posted by Ramius83
Mtrai760 Ramius83
Good guess Mtrai, but that was one of the first things I did when I first installed the dry setup more and a year ago. I got the Walbro 255lph fuel pump.
Mtrai760
Ramius83Good guess Mtrai, but that was one of the first things I did when I first installed the dry setup more and a year ago. I got the Walbro 255lph fuel pump.
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