Help with 1986 GT 5 Speed Please

Lcasada1999

New Member
Mar 20, 2026
3
0
1
Detroit
As the story goes…


I took in a one owner 1986 Mustang GT, sight unseen. Yeah, I know.

It was a one owner car and had been sitting in jack stands for 5 years.



I was told it ran and drove but needed some minor repairs.



Mods:(allegedly)



When it got delivered, it wouldn’t start. I replaced the fluids, changed the plugs, wires, cap, rotor, battery, and ignition module. The car started, but seemed to have a miss and would stall, or at least try to stall. When the car was shut off or stalled it wouldn’t always restart. I replaced the distributor, correctly, by putting the car to TDC and properly aligning the rotor with cyl 1. I then removed the SPOUT and timed the car with a timing light to 10 degrees. The timing did seem to jump when I was timing it with a light, but it’s hard to determine how many degrees to accurately explain it. The car sounded healthy, but seemed to have a shake or miss and would bog down or stall of the throttle was pushed aggressively. Small throttle inputs seemed fine.



I’m truly at a loss.


When the car is revved, the motor sounds really incredible. However, something still isn’t right. I’m guessing a stretched timing chain?



Please help
 
I got it started after replacing the parts that I mentioned in the post. It will sometimes run decently. However, if the throttle is pushed hard, it wants to stall, or it will just run somewhat poorly and stall on its own.

After it stalls it very frequently doesn’t want to start again.
 
Check fuel pressure, make sure the alternator is charging and, and aw hell go here:
Read and follow directions, many here will agree, it works
Thank you Jrichker, he's the MAN!