M20 whine

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Old September 15th, 2008, 11:54 AM
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M20 whine

I have a M20 in a 71 Supreme. First gear whines and increases with rpm. I have read 2 different views one being this is normal and the other that the input bearings are bad. Any thoughts? Thanks.
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Old September 15th, 2008, 01:22 PM
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Not to be stupid but have you checked gear lube in the trans?...A Muncie may have a bit of a wine especially during acceleration but should be relatively quite for the most part.
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Old September 18th, 2008, 07:17 PM
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I have an M20 in my 68 and it's very quiet. I think this is the correct operating noise level. Good luck.
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Old September 18th, 2008, 07:58 PM
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thanks, it's in the shop now. I should know friday..
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Old September 19th, 2008, 11:14 AM
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Bearings are shot, gears no damage, snycros gonna change, clutch is toast.
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