Steve, I personally would appreciate hearing of anything that you find. I am restoring a coupe from the tail end twards the front end and I have a similar problem in that the engine has about 600 Hours since overhaul in 1975 and was not run for 4 years till I ran it before buying the coupe. I have had great sucess in automotive engines, particularly ones that have sat for long period of times by using Marvel Mystery Oil. I replace one fourth of the crankcase capacity with Marvel Mystery oil and run the engine for about 30 minutes, drain the oil and refil with fresh oil. Has always loosened the rings and valve train to normal operating conditions. I would consider doing it to a aircraft engine but I would not fly it with the stuff in the oil. Please keep us informed as that what this list is all about. Richard [EMAIL PROTECTED]
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