We're having problems getting the one in the van running good.
Engine was built by Oselli Engineering about 25 years ago but has only done about 500 miles since then. I have recently fitted a new facet solid state pump, leads, points etc, and yesterday fitted a brand new 38dgas carb and performance dizzy (no vacuum advance) but the van just doesn't want to run right. At tickover it's sweet as a nut but under load it's hesitant, bogging down and feels like it's missing (like a fuel miss, not a spark misfire).
Timing is at factory settings and the carb was tuned with CO meter attached.
Is there a way of finding out what cam is fitted without stripping the engine?
It's been mentioned that the valve clearances could be wrong if it's got a hot cam.
Could the carb possibly be under or overfuelling?
Fuel pump is running between 2.5 and 3.5psi with no regulator.