[Fot] Gearing question for Lime Rock

[Scott Janzen]

I would not call LR a high speed track.  In the GT6, I do not hit redline in 4th on the front straight with a 3.89, and no-name straight is much shorter.  Not sure how that compares for your car - the engine does run to 7,300 RPM, but I also only have 13” wheels.  For me, with a close ratio TR6 box, it’s mostly a third gear track except on the front straight.

On Jun 2, 2025, at 12:15 PM, Dave Riddle via Fot <fot at autox.team.net> wrote:

Lime Rock is a high speed Track so does the collective FOT wisdom think a 3.7 or 4.1 rear end would be best in a TR4?
 
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