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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