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06-13-2016, 06:43 AM
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Registered User
Join Date: Jun 2012
Location: londonderry nh
Posts: 21
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Rpo mm7?
My 85 C10 has an mm7 (manual with O/D.) I can't find much info, is it a rare option? Being new to trucks, what I've read was that usually manual with "granny gear" was best for towing. My truck has the tow package with heavy duty springs and shocks?
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