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Old 01-23-2007   #1 (permalink)
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Default efi 5.0 rev limiting at 5500ish?

so i jsuyt got my car running after replacing the heater core. its a 78 with a fuel injected 5.0 out of a mustang before i proceeded to remove my entire dashboard and my air intake up to the thortlte body, i could rev it up to whatever rpm i wanted. i was getting on it today and noticed it seemed to limit itself to approximately 5500 rpm's. i dont know if it was the motor missing or anything, but from the videos i see on the internet, it kind of sounded like a rev limiter. HOWEVER, when in neutral or with the clutch pedal in, i can rev it to whatever i want.

whats up with this?
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1990 5.0 LX 5-speed bbk fenderwell intake, bbk shorty headers, H-pipe, flowmasters, 3.27 gears, hurst shifter, bbk adjustable clutch cable and quadrant with firewall adjuster.
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Old 01-24-2007   #2 (permalink)
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Double check your work under the hood, i.e. electrical connections, intake tract, etc.
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1992 Deep Emerald Green Mustang GT Hatch, 5 speed, 2.73s, Mac fenderwell cold air intake, '93 Cobra MAF, Mac 70mm throttle body & spacer, Explorer intakes, Mac unequal headers & offroad pipe, Magnaflow catback, Walbro 110lph fuel pump, Jet adjustable FPR, MSD Blaster coil, Accel 8mm wires, FRPP aluminum quadrant, UPR firewall adjuster, stock cable, Granatelli upper control arms.
Waiting to go on: Granatelli lower control arms, and GT40 Iron heads!
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