You will probably see your highest revs at turns 5 or 12 rather than turn 1.
Scott Barr
McCarty Law LLP
(920) 257-2233
Looking back at my data from 2010 at RA with our Spitfire, we couldn't pull a
3.89 and had to go to a 4.11. We were running Hoosier R6's, 185/60 13's. With
the 3.89 rpm going into turn 1 was 6400 at 106 mph. With the 4.11, rpm was
6850 at 109.5 mph. Hope this helps.
Sent from my Verizon 4G LTE smartphone
-------- Original message --------
From: David Amys <damys@charter.net>
Date: 8/27/16 5:34 PM (GMT-08:00)
To: fot@autox.team.net
Subject: [Fot] Diff ratio for Road America
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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