[Castis]

Ok... I blew something up in my motor. It sounds like a horrible miss. I rebuilt the head, rebuilt the carb, replaced the piston rings and the oil pan gasket. still same problem... any clues???

 

[hillbilly]

if its just a noise have you thought about checking your manifold for exhaust leaks?

 

[Castis]

yeah, I put new gaskets on it and have the reed valve ports blocked off.

and i have to keep it above 2000 rpms to keep it running stable

 

[alltrac165]

check spark in all 4 cylinders, check plugs, check compression