Suggest go back to your old thread and post there. You as the thread starter can continue to post on the old thread. The old one has info on it and some questions that can help
Agree with Lou
I've never used the grease fittings on the coupler, just to hard to get to (always in the wrong place), and I use a long screw driver and blob some grease inside before install
Thanks, the SN does show L29
No way one injector will cause all cylinders to go black on one side.
Check your fuel pressure = 43 psi
The MAP sensor or vacuum leak can cause on over rich mix but with this just happening, I'm leaning more toward fuel pressure
Can find out if there are any codes...
If timing is not correct there can be backfire
The old fords used nylon coated timing gears and the coating can break off. If it did, that could be the issue. Dont see a all steel gear jumping
To verify remove valve cover and crank motor over watching valves and timing mark on damper.
Incorrect valve adjustment so the intake does not fully close and is slightly open
Incorrect timing and or firing order
At high rpm, usually about 2K, can be from a carb going lean
Motors are fairly simple and yours is perfect.
Fuel pressure, timing (firing order on 5.0 is different then 5.0 HO), compression, compression, voltage all perfect, so guess I got nothing.
Sorry but hope another can help
Need a better serial number
Only way it may have a MEFI -2 is maybe if its a L29 model
Fouled plugs one side and white on the other, double check all the plugs
MY thought is there might be a small intake leak and had just enough to get a small amount into a cylinder. If that's the case, the PB sitting long enough should free it up over time
Start with basics
Is your battery fully charged?
What happens when the starter engages?
Do the battery cables heat up?
Can you turn the motor with plugs out by the belt?
Without knowing which 3L it is (ah no serial number)
If gauge is accurate its your running hot, not over heating but unless its closed cooled it's running hot
Need a better gauge, the numbers are high (150 for new motor) but difference between cylinders is good
With 2 and 3 being tan (good color), 1 and 4 is from oil. If it was fuel all would be black
