Jody,
The vacuum port Im using is the big one at the bottom of the throttle plate. Its got a small piece of hose then a vacuum "Y" fitting is connected to it, one side goes right to the MAP sensor and the other goes up to the regulator.
If it were a fuel filter limiting the pressure it would still be low when I disconnected the vacuum line from the regulator- is that right?
The under hood temp was very high, could very high fuel temps cause this?
Could I run the car with out the vacuum reference, it was tuned this way, would the idle A/F be richer with the small additional pressure running with out the vacuum line?
Thanks Rich
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