Hey there all,
I have an 89 cougar XR7, I have a miss that's been the Bain of the car for as long as I can remember. I do not drive it much, Maybe a couple of Hundred miles a year. I spend a portion of my free time working on it each summer. I have had the car since 02-03. I have rebuilt the entire brake system and front end except the struts. My firm ride works. I have replaced the heater core and evaporator. I have replaced the cam sensor,crank sensor,Ignition module Wires, plugs several times. It has headers and Magnaflow resonator and flow master exhaust. I have a very low mileage 95 Blower that has been ported as well as both the inlet and outlet. A 10% pulley. 3 1/2 inch cold air with 75 tb and maf. I have the 255 lph fuel pump and 36 lb injectors, as well as a ton of things like track electrical shorts under the carpet and paint most of the car. I grew up in a shop and have collected tools and knowledge for 40+ years. I do all of my own mechanical work and bleed FORD blue. Its all we own.
So back to the miss. Under boost 1/2 throttle or more i Had a miss. the car has pretty much always ran decent if you ease into the throttle. A hard rap and the miss was there. I chased all the wires involved from the computer to the coil and igy and sensors Always finding all was well. I tried the wiggle test from about every angle possible. And I kept searching posts that were in any way related. till a few days ago and I was reading a post from 02 or there about. In it they discussed the folks that painted there accessory brackets and had Ignition problems afterwards. I ran a jumper to the coil from the ground post and vola The miss was almost gone. So I think I am on to something. The Million dollar question is What is the best way to install the brackets. I taped off the mounting points before paint. I also cleaned up the bolts with a wire wheel. This was back in 06.
I have an 89 cougar XR7, I have a miss that's been the Bain of the car for as long as I can remember. I do not drive it much, Maybe a couple of Hundred miles a year. I spend a portion of my free time working on it each summer. I have had the car since 02-03. I have rebuilt the entire brake system and front end except the struts. My firm ride works. I have replaced the heater core and evaporator. I have replaced the cam sensor,crank sensor,Ignition module Wires, plugs several times. It has headers and Magnaflow resonator and flow master exhaust. I have a very low mileage 95 Blower that has been ported as well as both the inlet and outlet. A 10% pulley. 3 1/2 inch cold air with 75 tb and maf. I have the 255 lph fuel pump and 36 lb injectors, as well as a ton of things like track electrical shorts under the carpet and paint most of the car. I grew up in a shop and have collected tools and knowledge for 40+ years. I do all of my own mechanical work and bleed FORD blue. Its all we own.
So back to the miss. Under boost 1/2 throttle or more i Had a miss. the car has pretty much always ran decent if you ease into the throttle. A hard rap and the miss was there. I chased all the wires involved from the computer to the coil and igy and sensors Always finding all was well. I tried the wiggle test from about every angle possible. And I kept searching posts that were in any way related. till a few days ago and I was reading a post from 02 or there about. In it they discussed the folks that painted there accessory brackets and had Ignition problems afterwards. I ran a jumper to the coil from the ground post and vola The miss was almost gone. So I think I am on to something. The Million dollar question is What is the best way to install the brackets. I taped off the mounting points before paint. I also cleaned up the bolts with a wire wheel. This was back in 06.