3.90 gear in a stock rear end?
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Joined: Jan 2002
Posts: 5,308
From: Oshawa - Home of the 5th-gen
AFAIK, nobody makes a 3.90 for the factory 10-bolt. Your options are 3.73's or 4.10's (4.10's being a popular choice among the M6 crowd
).
I think it may be in Ford 9" diff's that you can get ratios such as 3.55, 3.70, 3.90, etc.
.
).I think it may be in Ford 9" diff's that you can get ratios such as 3.55, 3.70, 3.90, etc.
.
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Feb 9, 2016 09:21 PM