Re: #3 & #4 cylinders
"Also, is there a reliable way to adjust the valves without pulling the head ? Prior to reassembling the top end I relapped the valves and adjusted the valves but I'd like to double check them if possible."
You said that you adjusted the valves so that means that you have adjustable valves.
What did you set them at ? To re-check them, you have to turn the engine over by hand until the lifter you are checking is on the heel of the cam. ( lifter all the way in the down position.) It helps to have someone assist you and with the spark plugs out of the head. Set them with the engine cold.
I use a "go" - "no go" system when checking clearances. For example if the valve setting is .013 you check the clearance with a .012 and then with a .014 feeler gauge and if the .012 feeler gauge "goes" and the .014 does not, then you have a setting of .013
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