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Message: [QUOTE="TARM, post: 324892, member: 578"] My point is that you keep on driving that thing without any clue at what fuel pressure you are running and you could be PERMANENTLY DAMAGING your injectors. They need fuel for lubrication of the barrel and plunger. No different that running your engine without oil. What kind of pump is on there? Does the system have a regulator or are you still running the stock fuel bowl ? If you have no pressure gauge how did you set the regulator if so equipped? There is not actually specific tuning for various fuel pumps. The only tuning change would be to keep the injectors PW very short so as to not use much fuel. But there is no direct control for the fuel pump etc via tuning. The pump runs at a fixed rate and how hard it works is based on the pressure the regulator is set to. Just about every pump I can think of for use on these engines has a name stamped somewhere on it. Take a look and see what pump it is. I seem to recall you saying you were not sure what pump you got while you wait for the fuelab. [/QUOTE]

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