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Old 03-15-2019, 09:49 AM   #12
NewBayColony
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Join Date: Mar 2017
Location: Northbridge,MA
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Re: Is There a Non Sincro 1st gear 3 Spd in a 67/68

Quote:
Originally Posted by jabborabbo View Post
My ‘67 L6 GMC SPID shows SM318 for the tranny...1st gear is not synchronized....
That should be the 4 bolt side cover. It's always referred to as an M18 or with an overdrive, M19. Thanks!!
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