Make sure the four barrel is set up simultaneous and not progressive. I had one once that was progressive, it ran like poop... till I noticed the rear throttle bores were filling with fuel...
Make sure the four barrel is set up simultaneous and not progressive. I had one once that was progressive, it ran like poop... till I noticed the rear throttle bores were filling with fuel...
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
-= =-
yes all four of mine open at same rate at the same time.
Selling a 4D ecu if your interested.
http://www.gearhead-efi.com/Fuel-Inj...jection-4d-box
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