BlackMark8
New member
What is the fuel pressure on a stock 1997 lsc ? At the fuel rail. - I mean what is it "supposed" to be at from the factory
Fuel pressure
- Thread starter BlackMark8
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BlackMark8
New member
I am adjusting my nitrous setup and i need to know what it usually is at the fuel rail (the schrader valve) 28-45 is not an acceptable number, i need to know what it is at full throttle because i need the right fuel pill for my fogger.
Driller ?
Driller ?
J
OCCUPY LoD :)
Sorry, had you been more specific I would have helped you out more. Why don't you just get one of those cheapy APC gauges and stick it on the schrader valve and find out for yourself? An actual fuel pressure gauge is pretty cheap too.
The numbers I gave you were from All Data, I kinda laughed at the range myself.
The numbers I gave you were from All Data, I kinda laughed at the range myself.
driller
El Presidente
Minimum 39 psi WOT @ full load. It is the same as the fuel pressure at the fuel rail with the vacuum disconnected from the fuel pressure regulator.
I suppose 28-45 would be an acceptable range for the car to run, but it may not be the best for optimum performance. If you're using nitrous, it is imperative that the fuel pressure is up to spcifications.
BlackMark8
New member
lol ok ill get a gauge myself , even though ill only use it one time.... ever. I figured you guys would have an idea.
And J, you seem very cocky in your responses. From what i observed from your other posts you kind of seem like an a**hole. You can bring that honda down to FL anytime you want and see how it runs against my car "that i should not drive". No offense, and thanks for your help, but id rather not use your advice
Fuel pressure regulator hose disconnected? what about it when it IS connected? since it will be all the time when im racing.... :/
And J, you seem very cocky in your responses. From what i observed from your other posts you kind of seem like an a**hole. You can bring that honda down to FL anytime you want and see how it runs against my car "that i should not drive". No offense, and thanks for your help, but id rather not use your advice
Fuel pressure regulator hose disconnected? what about it when it IS connected? since it will be all the time when im racing.... :/
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driller
El Presidente
The fuel pressure regulator is a differential pressure device. Fuel pressure is regulated to a constant differential pressure compared to manifold pressure. Since under normal driving(including WOT) the absolute manifold pressure varies, for the fuel delivery to remain a constant, the fuel pressure is varied according to the manifold pressure(even if you use boost).
When you disconnect the vacuum source from the fuel pressure regulator, you are basically seeing the 'calibration' pressure of the fuel pressure regulator.
See http://www.fordfuelinjection.com/?p=41 for a better explanation.
J
OCCUPY LoD :)
Well, considering you asked for "fuel pressure" but weren't very specific on how you asked it, then I gave you an answer based on the information you provided, and in response....you give me this response like I knew wtf you needed.
I wasn't being cocky or an A$$hole, I was being straight forward because you didn't give us enough information in the beginning. Then you basically throw me out like I can't provide anymore information for you when it was your fault in the first place for providing very little info on what you ACTUALLY needed. Then you put "Driller?" Obviously at that point you were already upset.....real good.
Now you're calling me out? How about I bring my 13 second M8 down there.........
None taken......I'm far from an a$$hole and you'd see that. I joke from time to time, but other times I provide serious answers. Also...I make very good use of the "smileys" so everyone reading knows I'm not serious and knows the emotional tone of the reply.
Sorry I upset you....I will no longer reply to any of your posts/threads.