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manny
04-02-2003, 08:00 PM
just installed a msd box and coil.here is my problem at idle puffs of black smoke out the tail pipe.as you bring up the rpm's it starts to smooth out but then some times it starts to back fire out the tail pipe.plugs are gap at .55 like they said to do.when i disconnect the box the motor runs perfect. any suggestions.the car is a 1987 ford mustang with the 2.3 4cyl motor.

LOBSTA1
04-03-2003, 02:30 AM
MANNY DOUBLE CK YOUR WIRING AND ALSO YOUR TIMING

manny
04-03-2003, 07:39 PM
i did install the special cable just made for the ford tfi ignition systems. no luck.

Joe Craven
04-04-2003, 01:30 AM
I'd recommend taking it off and simplifying the ignition. I just took mine off and I swear that my car is faster. Actually, I disconnected it 2 years ago when I was diagnosing an ignition problem. When the problem went away, I never hooked it back up so it was just dead weight. Car is lighter now!

#37 ITB Capri