Check this out. If I spray a few squirts of fuel inton my plenum, my car will crank right up. If I don't, then I have to crank the car several times to get it to start. My fuel pressure is set at 42, with the vacuum line off of the regulator. The pump is holding pressure for about 10 minutes before it starts to drop after shutdown. Anyone have any ideas?

 

Here is my signature, I forgot. Might be of some help

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'89 GTA, Ported Plenum, BBK throttle body, 24lb Motorsport injectors, Jet stage 2 chip, AFPR, no cats and a Flowmaster.
'95 GMC soon to be 383 daily driver w/Howell multi-point injection conversion