Installing a new adjustable Regulator and setting my pressure @ 47psi with the vacuum on at idle. What i dont understand why I hear people saying . With the vacuum off its this and with it on its this. Is there any meaning or reason for this. Thanks
fuel pressure Question.
- Thread starter hemity
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You need a constant reference point so you disconnect it. With it attached the engine vacuum will vary from car to car and at different engine speeds changing the fp. You set it up with the line off at the chip burners rec and it should increase one psi per psi of boost. If you go + or - the baseline you will get a nearly linear increase or decrease in fuel delivery across the board if your BLM is locked at 128 (no correction) at WOT. PM me if you want more info and ill explain it further.
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