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When I raced at a long track with some tight turns, like Road Atlanta or R=
oad America, I used a 4.3 rear end gear with the Dolomite close ratio gears=
and an A-Type overdrive.=C2=A0 This combination gave me a good second gear=
for the tight turns (e.g. turn 7 at Road Atlanta), and the overdrive gave =
me a good top end for the long straights at both tracks.
Turns 5 and 6 at Road America is a good example of where you might use 2nd =
gear direct for turn 5, an upshift into 2nd overdrive on the hill up to tur=
n 6, then back down to 2nd direct for turn 6.
I hope this is useful.
Regards,
Jack
On Monday, November 15, 2021, 10:38:14 AM EST, Robert Lang via Fot <fot=
@autox.team.net> wrote: =20
=20
The set that JK used was the late layshaft cluster and then the dolomite =
sprint 3rd / 4th set. When mixed with the overdrive, you get the most usefu=
l gear combos.
O/D 3rd is more for not doing a 3rd to 4th shift on both A and J-types, as =
is 2nd O/D for the A type. In both cases, while you get the extra gears, yo=
u don't really get any advantage rowing through them as opposed to grabbing=
a gear in a quick burst.
FWIW, 2nd o/d is awesome for an autocrosser.=C2=A0 ;-)
c ya,Bob Lang
On Monday, November 15, 2021, 08:47:36 AM EST, R. John Lye via Fot <fot=
@autox.team.net> wrote: =20
=20
JK also had a set that he used for O/D gearboxes to make the splits more e=
ven.
I am not sure what they were, but they worked well.
John
On Sun, 14 Nov 2021 19:23:58 -0600, Bob Kramer via Fot <fot@autox.team.net>=
wrote:
JK Jackson had that all figured out for a non overdrive box with the goal t=
o get a better 2-3 spread.
Sent from my iPhone
> On Nov 14, 2021, at 6:36 PM, Greg Blake via Fot wrote:
>
> =EF=BB=BFI=E2=80=99ve been inspecting the gears I took out of my race car=
. Second gear appears to have the slightest blue tinge to its color now. Is=
there a way to check if there is some damage caused by over heating? Every=
thing seems good from a tolerance perspective, just concerned about the sli=
ght blue color.
>
> Related note. Is there a combination of gears I can use out of different =
gearboxes to give a better split between 3, 3OD, and 4th? Right now I just =
skip 3OD because it is very close to 4th. I have a ton of gearboxes laying =
around, so if there is a combination I should try I=E2=80=99d love to give =
it a shot.
>
> Sent from my iPhone
> _______________________________________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/rkramer56@g=
mail.com
>
>
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
net
=C2=A0
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
@yahoo.com
_______________________________________________
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Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
yahoo.com
=20
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<html><head></head><body><div class=3D"ydp84f44b12yahoo-style-wrap" style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px=
;"><div></div>
<div dir=3D"ltr" data-setdir=3D"false">When I raced at a long track=
with some tight turns, like Road Atlanta or Road America, I used a 4.3 rea=
r end gear with the Dolomite close ratio gears and an A-Type overdrive.&nbs=
p; This combination gave me a good second gear for the tight turns (e.g. tu=
rn 7 at Road Atlanta), and the overdrive gave me a good top end for the lon=
g straights at both tracks.</div><div dir=3D"ltr" data-setdir=3D"false"><br=
></div><div dir=3D"ltr" data-setdir=3D"false">Turns 5 and 6 at Road America=
is a good example of where you might use 2nd gear direct for turn 5, an up=
shift into 2nd overdrive on the hill up to turn 6, then back down to 2nd di=
rect for turn 6.</div><div dir=3D"ltr" data-setdir=3D"false"><br></div><div=
dir=3D"ltr" data-setdir=3D"false">I hope this is useful.</div><div dir=3D"=
ltr" data-setdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"false"=
>Regards,</div><div dir=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D=
"ltr" data-setdir=3D"false">Jack<br></div><div><br></div>
=20
</div><div id=3D"ydp7ed67719yahoo_quoted_7410161875" class=3D"ydp7e=
d67719yahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div>
On Monday, November 15, 2021, 10:38:14 AM EST, Robert L=
ang via Fot <fot@autox.team.net> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id=3D"ydp7ed67719yiv6570816576"><div><div style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px=
;" class=3D"ydp7ed67719yiv6570816576ydp3bb53542yahoo-style-wrap"><div></div=
>
<div dir=3D"ltr">The set that JK used was the late layshaft cluster=
and then the dolomite sprint 3rd / 4th set. When mixed with the overdrive,=
you get the most useful gear combos.</div><div dir=3D"ltr"><br clear=3D"no=
ne"></div><div dir=3D"ltr">O/D 3rd is more for not doing a 3rd to 4th shift=
on both A and J-types, as is 2nd O/D for the A type. In both cases, while =
you get the extra gears, you don't really get any advantage rowing through =
them as opposed to grabbing a gear in a quick burst.</div><div dir=3D"ltr">=
<br clear=3D"none"></div><div dir=3D"ltr">FWIW, 2nd o/d is awesome for an a=
utocrosser. ;-)</div><div dir=3D"ltr"><br clear=3D"none"></div><div d=
ir=3D"ltr">c ya,</div><div dir=3D"ltr">Bob Lang<br clear=3D"none"></div><di=
v><br clear=3D"none"></div>
=20
</div><div id=3D"ydp7ed67719yiv6570816576ydp2f1eaeafyahoo_quoted_70=
77645526" class=3D"ydp7ed67719yiv6570816576ydp2f1eaeafyahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div id=3D"ydp7ed67719yiv6570816576yqtfd31372" class=3D"ydp=
7ed67719yiv6570816576yqt4989762094"><div>
On Monday, November 15, 2021, 08:47:36 AM EST, R. John =
Lye via Fot <fot@autox.team.net> wrote:
</div>
<div><br clear=3D"none"></div>
<div><br clear=3D"none"></div>
</div><div><div dir=3D"ltr"><div id=3D"ydp7ed67719yiv657081=
6576yqtfd94421" class=3D"ydp7ed67719yiv6570816576yqt4989762094">JK also had=
a set that he used for O/D gearboxes to make the splits more even.<br clea=
r=3D"none">I am not sure what they were, but they worked well.<br clear=3D"=
none"><br clear=3D"none">John<br clear=3D"none"><br clear=3D"none"><br clea=
r=3D"none"><br clear=3D"none"><br clear=3D"none"><br clear=3D"none"><br cle=
ar=3D"none">On Sun, 14 Nov 2021 19:23:58 -0600, Bob Kramer via Fot <<a s=
hape=3D"rect" href=3D"mailto:fot@autox.team.net"; rel=3D"nofollow" target=3D=
"_blank">fot@autox.team.net</a>> wrote:<br clear=3D"none"><br clear=3D"n=
one">JK Jackson had that all figured out for a non overdrive box with the g=
oal to get a better 2-3 spread.<br clear=3D"none"><br clear=3D"none">Sent f=
rom my iPhone<br clear=3D"none"><br clear=3D"none">> On Nov 14, 2021, at=
6:36 PM, Greg Blake via Fot wrote:<br clear=3D"none">><br clear=3D"none=
">> =EF=BB=BFI=E2=80=99ve been inspecting the gears I took out of my rac=
e car. Second gear appears to have the slightest blue tinge to its color no=
w. Is there a way to check if there is some damage caused by over heating? =
Everything seems good from a tolerance perspective, just concerned about th=
e slight blue color.<br clear=3D"none">><br clear=3D"none">> Related =
note. Is there a combination of gears I can use out of different gearboxes =
to give a better split between 3, 3OD, and 4th? Right now I just skip 3OD b=
ecause it is very close to 4th. I have a ton of gearboxes laying around, so=
if there is a combination I should try I=E2=80=99d love to give it a shot.=
<br clear=3D"none">><br clear=3D"none">> Sent from my iPhone<br clear=
=3D"none">> _______________________________________________<br clear=3D"=
none">> <a shape=3D"rect" href=3D"mailto:fot@autox.team.net"; rel=3D"nofo=
llow" target=3D"_blank">fot@autox.team.net</a><br clear=3D"none">><br cl=
ear=3D"none">> <a shape=3D"rect" href=3D"http://www.fot-racing.com"; rel=
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