I have been adjusting the valve clearance using a .019 feeler gauge.I can't determine how tight the adjustment should be.How much effort should it take to remove the gauge after locking the adjuster?I know this is something you develop a touch for after doing it many times.I am doing one cylinder at a time using the firing order.Should there be a light valve noise after doing the adjustment or basicaly no sound at all(with the motor running cold at startup).One other thing I noticed is that oil feed to the left side rockers is much quicker than the right side.I have disaasembled the rockers twice to make sure all holes are clear.Is there maybe a partial blockage in the oil passage in the block on the right side or is this normal?This motor was very badly full of crud when I started working on it but now runs very well with no smoke.If there is a blockage in the right side oil passage in the block any suggestions on clearing it without taking the head off.Oil does flow just takes about 3-5 minutes before it starts on that side(at fast idle speed).There was NO oil to either side when I started working on it.Shafts plugged solid.Any input on either question appreciated.