[Fot] Diff ratio for Road America

[Tony Drews]

BTW, I run 15" wheels with 60 series tires.  If you run smaller 
wheels, you'd want an even taller rear end gear...

Cheers, Tony

At 08:21 AM 8/28/2016, Tony Drews wrote:
>3.89 will probably be borderline depending on engine power.  My TR4 
>with 3.8 gearing can run a bit over 6000 at the end of the straights 
>there.  Less aerodynamic I'd think, but possibly more power.
>
>Regards, Tony
>
>At 07:34 PM 8/27/2016, David Amys wrote:
>>Need advice on which diff to run at Elkhart. Our first time out. 
>>GT6 with mild motor.  We have two diffs. 3:89 welded and 3:26 stock 
>>rebuild. Rev limiter set at 6,000.
>>Thanks
>>Dave and Alex
>>
>>
>>Sent from my iPhone
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