M20 whine

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Old

Sep 15, 2008 | 11:54 AM

#1

woodie582

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Joined: Jul 2008

Posts: 416

From: Santa Rosa Ca

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

Sep 15, 2008 | 01:22 PM

#2

Oldsmaniac

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Joined: Oct 2005

Posts: 7,304

From: NJ

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

Sep 18, 2008 | 07:17 PM

#3

z11375ss

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Joined: Jan 2007

Posts: 3,236

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

Sep 18, 2008 | 07:58 PM

#4

woodie582

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Joined: Jul 2008

Posts: 416

From: Santa Rosa Ca

thanks, it's in the shop now. I should know friday..

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Old

Sep 19, 2008 | 11:14 AM

#5

woodie582

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Joined: Jul 2008

Posts: 416

From: Santa Rosa Ca

Bearings are shot, gears no damage, snycros gonna change, clutch is toast.

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