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02-08-2015, 12:33 PM
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#1 |
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Registered User
 
Join Date: Feb 2015
Location: chicagoland
Posts: 30
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problem with granny tranny
Wont stay in second gear. I have to assume that the syncros are bad. The question is, where might I find them. The suspect is in my 67 c30 behind a 292 six with pto for the dump hydraulics. My quess is this trans is used in 3/4 ton trucks as well. I plan on pulling the trans as soon as I locate some syncros so let me know. Thanks
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02-08-2015, 12:50 PM
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#2 |
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Registered User
Join Date: Sep 2008
Location: Rosedale B.C. Canada
Posts: 29
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Re: problem with granny tranny
Hy c30, I think a company named Novak sells parts for the SM420, hope that helps.
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02-08-2015, 01:24 PM
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#3 |
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Registered User
Join Date: Feb 2015
Location: chicagoland
Posts: 30
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Re: problem with granny tranny
Good call Bobb. Company is called Novak conversions, They offer a full rebuild kit including bearings, gaskets, and syncos for about $225
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02-11-2015, 08:03 AM
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#4 |
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Registered User
Join Date: Jan 2013
Location: Eastern TN
Posts: 1,921
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Re: problem with granny tranny
Usually its not the syncros that cause this. Its the little square pieces that hold the syncro assembly engauged to the gear. I have no idea what the true name is but have always heard of them being called dogs. You may get lucky finding parts locally if there is a big truck trans shop around. That is where I got bushings for a SM465.
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