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Good morning Art.
Yes, I use a hand lapping tool and lapping compound I got at my auto supply store. Not sure of its composition and it is not at hand to check at the present time.
The suction cups require a little patience as too much much moisture and they slip off, too little and they do not seal. It is a little time consuming but certainly worth the effort.
I have a valve spring compressor. I got it used and do not have the correct end for valve head. I have to use a socket on that end as a spacer to get the "reach" I need.
How do you hold the valve in place while compressing the spring with your method? Do you use the cam to lever against?
I clean the head before (and during) disassembly with carb cleaner. If I have a clean up cut taken (usually) I use more carb cleaner and compressed air to clean it up after getting it back from the machine shop.
Lapping compound is removed from the valves and seats with clean rags. There is no dust involved as the compound is moist. It pays to be anal about that cleaning because of the abrasive nature of the compound.
I would be interested in seeing an image of the tool you fabricated. I think people would be more inclined to rehab their own heads if they had the tool to disassemble the head.
Randy
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