I've actually sat and watched it when I set up my carb and I was still messing with trying to regulate the high pressure pump into a low pressure carb. This is with DUAL FPR's (a malloy 3 port with return line and a holley 2 port afterward with a guage right before the lines split for the fuel bowls). When I went key on, the prssure would go to the 7psi I set and then start rising sloooowly but surely until it hit 15psi and I would shut if off.
I know, I'm comparing apples to oranges, but the EEC cuts off the fuel flow for a reason after key-on no start I'm sure.
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91 GT Carb conversion, holley 600 double pumper, edelbrock performer intake, FMS "C" drop springs, march 1000 underdrive pullies, crane 1.7 roller rockers, GT-40P headers, bassani x pipe, american thunder catback, FMS 4.56's, msd aL6, trunkmount battery, A/C eliminator kit, 3000 stall tci streetfighter, AOD with transgo kit, A+ servo, 300M hardened lockup shaft, kevlar bands and 28,000 gvw trans cooler, 3 core radiator, 300 lbs stripped with a full interior
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