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gear ratios

To: <spitfires@autox.team.net>
Subject: gear ratios
From: "Larry Vaughan" <lvaughan@pldi.net>
Date: Sun, 26 Jun 2005 19:12:31 -0500
If you have a 4.11 rear and a J-type overdrive, on a standard 3-rail, will 4
high be a gas saving mode? Or equal to a 3.89 rear and a standard 3-rail
without OD in 4th.
Is 20% overdrive correct for the J-type?

Larry





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