imported post
Unsynchronized carbs will cause a knocking sound at idle and low RPM, hope that's all it is.
They have solid lifters. Clearance is .004" intake and .005" exhaust.
Unsynchronized carbs will cause a knocking sound at idle and low RPM, hope that's all it is.
They have solid lifters. Clearance is .004" intake and .005" exhaust.