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Old 05-15-2014, 08:04 PM   #6
gale
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Join Date: Jun 2013
Location: Houston Texas
Posts: 310
Re: rear end swap for different gear ratio

Quote:
Originally Posted by Mattys1970C-10 View Post
is there any trucks that came stock with a 3.42 and posi? this way I could just swap out the whole rear end and avoid shop labor for a ring and pinion install
Depended on where the truck was delivered as to what was standard. For example GM wouldn't ship a 3.08 to a mountainous region. A buyer could special order up to a point; if it wouldn't meet the EPA requirements GM wouldn't ship. But anyone could order a ring and pinion in whatever ratio they wanted.
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Gale Gorman
'54 3100
'67 C20 stepside
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