I have a 77 ford that runs good except that it has a very bad vibration,at idle and at higher speeds,as speed increases vibration seems to lessen.it vibrates with the clutch disengaged as well and is really noticeable as you are letting the clutch out from a dead stop and seems a little better as speed increases.Engine itself is running on all cylinders and sounds good,I am thinking warped flywheel? What is the best way to determine the cause,can I start engine with flywheel off or is that unsafe???jimm
