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I've only been there for the Kastner Cup, 3.89 diff in my GT6, 7,000 RPM =
redline, and Scott is right - the main straight and the one back down =
are a long time at redline. That said, I found gearing elsewhere to be =
good, though I do run a close ratio TR6 box, so 2nd gear is really tall.
On Aug 28, 2016, at 10:36 AM, Barr, Scott wrote:
Which tires? Roughly 22" diameter? I generally used a 3.89 there, but =
it's an awful lot of revs for a long time if you have no overdrive. I =
tried a 3.27 once, but the Spit didin't have enough grunt to pull that =
gear, and I was drag-limited to about 88 mph. Not ideal either. Maybe =
the GT6's additional torque would make the 3.27 gear work just fine.
I will try to remember to send you a gear calculation spreadsheet which =
I have on my computer at work...
Scott (B.)
Sent from my Verizon, Samsung Galaxy smartphone
-------- Original message --------
From: David Amys <damys@charter.net>
Date: 8/27/16 10:26 PM (GMT-06:00)
To: fot@autox.team.net
Subject: [Fot] Diff ratio for Road America
-------- Original message --------
From: David Amys <damys@charter.net>
Date: 8/27/16 10:26 PM (GMT-06:00)
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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http://www.fot-racing.com
Archive: http://www.team.net/archive
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Archive: http://www.team.net/archive
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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I've =
only been there for the Kastner Cup, 3.89 diff in my GT6, 7,000 RPM =
redline, and Scott is right - the main straight and the one back down =
are a long time at redline. That said, I found gearing elsewhere =
to be good, though I do run a close ratio TR6 box, so 2nd gear is really =
tall.<div><br><div><div>On Aug 28, 2016, at 10:36 AM, Barr, Scott =
wrote:</div><br class=3D"Apple-interchange-newline"><div>Which tires? =
Roughly 22" diameter? I generally used a 3.89 there, but =
it's an awful lot of revs for a long time if you have no overdrive. =
I tried a 3.27 once, but the Spit didin't have enough grunt to =
pull that gear, and I was drag-limited to about 88 mph. Not ideal =
either. Maybe the GT6's additional torque would make the 3.27 gear =
work just fine.<br><br>I will try to remember to send you a gear =
calculation spreadsheet which I have on my computer at =
work...<br><br>Scott (B.)<br><br><br><br>Sent from my Verizon, Samsung =
Galaxy smartphone<br><br><br><br>-------- Original message =
--------<br>From: David Amys <<a =
href=3D"mailto:damys@charter.net";>damys@charter.net</a>><br>Date: =
8/27/16 10:26 PM (GMT-06:00)<br>To: <a =
href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a><br>Subject: =
[Fot] Diff ratio for Road America<br><br>-------- Original message =
--------<br>From: David Amys <<a =
href=3D"mailto:damys@charter.net";>damys@charter.net</a>><br>Date: =
8/27/16 10:26 PM (GMT-06:00)<br>To: <a =
href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a><br>Subject: =
[Fot] Diff ratio for Road America<br><br>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.<br>Thanks<br>Dave and Alex<br><br><br>Sent from my =
iPhone<br>_______________________________________________<br><a =
href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a><br><br>http://ww=
w.fot-racing.com<br><br>Donate: =
http://www.team.net/forums<br>Unsubscribe/Manage: =
http://autox.team.net/mailman/options/fot/sbarr@mccarty-law.com<br><br><br=
>_______________________________________________<br>fot@autox.team.net<br>=
<br>http://www.fot-racing.com<br><br>Donate: =
http://www.team.net/forums<br>Unsubscribe/Manage: =
http://autox.team.net/mailman/options/fot/sjanzen@me.com<br><br><br></div>=
</div><br></div></body></html>=
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_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://www.team.net/archive
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