The T56 has a .50 sixth. At least the one that goes in the Cobra R does. That makes the final drive the equivalent of a T5 fifth gear and 2.73 gears.
The first four gears are what matter anyway. I would go with the version that would give me economy, too.
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351W 89 Mustang GT Convertible
[This message has been edited by jimberg (edited 05-18-2001).]