Cobra seems to be running on 7 cylinders??

93 Cobra needs input · 04-22-2003, 12:17 PM

I still have the factory motor in it with 90,000 miles I was driving the car and it felt like it was running rough around 2,500 at 3,000 it would come out of it almost like a dirt bike power band seems to me it is ignition related, felt like a snomobile with a fouled plug that would come to life then go away. The plugs all look fine but after I cleaned the rotor and distributor cap it stays bad all the time no more coming out of it. At idle it holds 700 rpm fine just a rough feeling and not very snappy throttle response. I'm getting a new cap and rotor and plugs tonight but does anyone think it might be the TFI module. I don't realy know exactly what they do but I know they go bad, Is there any way to check one before giving $105 to ford for a new one?? Sorry for the long post, I just hate electrical problems! The car does have a msd 6al box and blaster 2 coil if that matters.

93 Cobra needs input · 04-22-2003, 08:05 PM

Well it is fixed and this is the first time I can say I blew a distributer cap. I found one terminal on the old acel cap that was green and coroded, and the inside was pitted bad. I've replaced a few caps but never had one quit sparking to a couple of cylinders before. I guess some problems can be simple

04-22-2003, 12:17 PM	#1
93 Cobra needs input Registered Member Join Date: Oct 2001 Location: Madelia,MN USA Posts: 58	Cobra seems to be running on 7 cylinders?? I still have the factory motor in it with 90,000 miles I was driving the car and it felt like it was running rough around 2,500 at 3,000 it would come out of it almost like a dirt bike power band seems to me it is ignition related, felt like a snomobile with a fouled plug that would come to life then go away. The plugs all look fine but after I cleaned the rotor and distributor cap it stays bad all the time no more coming out of it. At idle it holds 700 rpm fine just a rough feeling and not very snappy throttle response. I'm getting a new cap and rotor and plugs tonight but does anyone think it might be the TFI module. I don't realy know exactly what they do but I know they go bad, Is there any way to check one before giving $105 to ford for a new one?? Sorry for the long post, I just hate electrical problems! The car does have a msd 6al box and blaster 2 coil if that matters. __________________ 331 stroker, JE 8.5:1 pistons, H-beam rods, steel crank, main cap, msd with 3step, BBK ceramic long tubes,TKO, 4.30's, motorsport Z303, Victor Jr aluminum heads, crane gold 1.6, southside lift bars, 90/10 front, 50/50 rear, centerforce dual friction clutch, Vortech S-trim soon.

04-22-2003, 08:05 PM	#2
93 Cobra needs input Registered Member Join Date: Oct 2001 Location: Madelia,MN USA Posts: 58	Well it is fixed and this is the first time I can say I blew a distributer cap. I found one terminal on the old acel cap that was green and coroded, and the inside was pitted bad. I've replaced a few caps but never had one quit sparking to a couple of cylinders before. I guess some problems can be simple __________________ 331 stroker, JE 8.5:1 pistons, H-beam rods, steel crank, main cap, msd with 3step, BBK ceramic long tubes,TKO, 4.30's, motorsport Z303, Victor Jr aluminum heads, crane gold 1.6, southside lift bars, 90/10 front, 50/50 rear, centerforce dual friction clutch, Vortech S-trim soon.

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