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It may be Thur on my days off before I can check with a noid light. I do have power to injectors. What logic does the computer use before providing the ground for the pump relay? I have good power and grounds at the computer.

Well I checked pin 22 to the pump relay 0 ohms. pin 1, 57, and 37 all 12VDC. 12 volts at the coil. Pins 20, 40, and 60 all 0 ohms to ground. 12 volts to injectors. fuel pump will only come on if I jump the test piont to ground, and no spark. Looks like a bad computer and maybe TFI Module...

I'll check the resistance in the morning, but the engine still will not start even when I get the pump to run by jumping the test point to ground, but if it has high resistance to pin 22 it would be at the computer connector and maybe other pins in that area also have problems affecting the...

I was moving the Lightning in the driveway and it died and will not restart. I trouble shoot it and found the fuel pump will only come on if I jumper the test point to ground, the relay and inertia switch are OK just no ground from the computer to the control circuit. Checked the voltage to the...

I doubt they will work, I expect you need GT40P specific headers. Only way to know is try them, the issue would be clearance for the spark plugs and wires.

CFI in 84 was Calif only so that should't be an emmisions issue outside of Calif. Check with Summit or Jegs for smog legal equipment and then buy either from them or used if you want. I'd buy the carb new so you don't buy something with problems. 600 cfm would be a good choice and improve...

Well you need a new tie rod end and have over 200K on the rack, change it all. the rack isn't too hard to change. The hose fittings on the rack are tough to get to so you need to unbolt the rack and the tie rod ends so you can pull the rack forward and then you can get to the fittings. Install...

Go to a NAPA store they have charts that cross length to their P/N. Very helpful, It took me several trips to get the right one for my setup. I did try a pump eliminator pully for a while but the bearing didn't last very long, and why have an extra pully that you don't need any way?

Need help with replacement transmission I just recieved a rebuilt transmission for my 93 5.0. the one I removed was not the original but matched my original configuration. Looking at the clock cast markings I believe the removed was a 1988, the replacement has a clock casting with 04 in it...

All use a razor blade, be sure to buy a very good holder/handle for the blade. It makes all the differance. I got a long one with a screwdriver type handle and it really helps the job go easier and faster.

look at the adds in any of the mustang mags. The selection is almost unlimited along with pricing from top to bottom. You usually get what you pay for but the cheaper ones seem to be good such as UPR, I got the X pipe and like it but some don't like the sound as well as an H pipe. Your choice.

I would definately want one. I drive a 93 5.0 mustang but for a family car I had to go Dodge Charger R/T with the 5.7 Hemi just becouse Ford didn't have a decent V8 Rear wheel drive. The Crown Vic is too big and all you see when you look at it is a cop car, I always slow down when I see one in...

OK, part of the reason to do this now is that I think I have a bad injector. Came up with a miss at about 4k rpm and up. Changed plugs, wires, cap and rotor. Egr valve, PVC valve, TPS sensor, coil, dist pick up and module. Fuel pump and filter. About all that is left is Maf and injectors. I...

Stock for now with full exaust sys, power pullies cold air etc. This is the start for a 340 hp crate motor. I plan on a gt40 Explorer or Cobra intake and 70 mm throttle body. Thought this would be a good combination. What do you think? I tried to buy the Cobra ecu kit with 24lb inj and maf and...

I am running the AGR rack and don't really like it. Sent it back because it was assembled incorrectly, the rack did not match the pinion due to parts in the wrong box when pulled to assemble unit but any kind of quality control would of cought this problem. The gears would bind and then pop over...

I have a 93 5.0 with stock maf and bbk cold air, if I were to upgrade to larger maf is there a limit where the bbk tubes would need to be upgraded? I am thinking of a 70 mm maf to go with my recently purchased 24lb inj. probably a pro m. Next I saw a 70 pro m that is composit instead of metal...

the frpp aluminum drive shaft comes with new u jionts installed. look over the new transmission instalation, did this start when the transmission was installed. break in should not be an issue!

also note that sometimes a belt size advertised as being one size smaller than the next will actually be larger. this has happened to me at napa and it took several days ordering belts not in stock to finnaly arive at the correct length. we had to get belts of higher or lower quality/price to...

last time a ballancer spun on my lightning it was rough at idle and would smooth out at speed. just thought I would add that.

I tried to purchase cobra ecu with injectors on this site classified section but can't get replies from the seller. next option is used and or rebuilt injectors and a matching maf possibly not from the same seller. any brands to stay away from?? Wish I could contact the seller of the cobra...