If you find out whats wrong with your cylinder number 6, please tell me also
I have recently (4 months) rebuilt engine and there is almost no vacuum at #6 on idle (the cylinder does not fire).
Heads/valves were done at this mechanic (all ok)
Cylinders honed
Rings new
Ignition system completely new
Valves adjusted
carbs cleaned (but I still suspect something is wrong..has to be)
New spark plugs (NGK)
New spark plug wires (connectors ok)
New distributor cap
Fuel system renewed (new pump, new fuel hoses, tank sandblasted, new filter)
Ground wires renewed.
I have adjusted carbs and checked air leaks and such like a million times, but still no vacuum at #6.
I had this same problem before rebuild, and I suspect the only place the problem could be, is the carb. This is because all the heads, cylinders, pistons, rockers etc have changed their place during the rebuild...still the same problem...