Cam timing jump?
I have been having a hell of a time getting my 2.5 petrol to run decently. It will idle, barely, but will not rev any higher than that. The carb is clean, fuel filter has been replaced, points swapped out and timing set at 6 BTDC.
My next thought is to take off the valve cover and check that the cam is correctly timed to the crank, but I figured I would ask if these engines commonly jump time.
Any other ideas?