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We use a diff cooler to avoid the problem on the TR6, a lot cheaper than con=
tinual rebuilds of the diff. I ran with one doing 3 hours of the Nurburgring=
Nordschleife a couple of years ago, it worked perfectly.
Keith
Sent from my iPad
> On 2 Jun 2015, at 20:01, Kas Kastner <kaskastner@gmail.com> wrote:
>=20
> I had failure of all three cars at Sebring with the IRS cars. In practices=
the diffs overheated and puked oil out the breather tub as you describe. I l=
aid part of it to a new diff but most to the heat generated by a disc type l=
imited slip. The capacity of the diff is marginal for endurance running. Add=
to the capacity or add a cooler.=20
>=20
> Never be beaten by equipment.
>=20
>=20
>> On Tue, Jun 2, 2015 at 10:40 AM, Greg And Alison Blake <ablake2@austin.rr=
.com> wrote:
>> Some of yall may have followed the social Media posts provided by our tea=
mmates through the weekend. We were racing the Beanitos TR6 this past weeken=
d at what was to be TWS's last ever race. It was a split 16 hour endurance r=
ace (Sat&Sun).
>>=20
>> We had a strange failure on Saturday. About 6 hours in, the truck was ful=
l of gear oil. I had routed a diff vent line to the trunk. Upon returning to=
the garage, we discovered melted poly diff mounts. Pic below.
>>=20
>> I've been scratching my head on this one. Prior to boiling the diff fluid=
, we had zero leaks in the freshly serviced diff. I had replaced all seals a=
nd filled with STALUBE 90WT GL4.
>>=20
>> I've been racing my TR3 using this same diff fluid for 6 years (replaced e=
very two weekends). Never a problem with my vintage race car. Of course, I'v=
e never run the 3 for 6 hours straight.
>>=20
>> Some of the more seasoned endurance racers asked what fluid I had in the d=
iff. All suggested that mineral based fluid is not a good choice for enduran=
ce events.
>>=20
>> I'd love to hear opinions as to the route cause of our failure and more i=
mportantly, suggested remedies.
>>=20
>> As to the results, the car was running consistently 2:1x laps with a fast=
lap of 2:10. We ended up taking the workers choice award. Had we run w/o di=
ff failure and a subsequent battery failure, we could have been in the hunt f=
or a podium finish. Fastest lap in our group was 2:09.9
>>=20
>> Great weekend
>>=20
>>=20
>>=20
>>=20
>> Thanks
>> Greg
>> _______________________________________________
>> fot@autox.team.net
>>=20
>> http://www.fot-racing.com
>>=20
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/archive
>> Forums: http://www.team.net/forums
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/kaskastner@=
gmail.com
>=20
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/keithfiles@b=
tinternet.com
>=20
>=20
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div>We use a diff cooler to avoid the prob=
lem on the TR6, a lot cheaper than continual rebuilds of the diff. I ran wit=
h one doing 3 hours of the Nurburgring Nordschleife a couple of years ago, i=
t worked perfectly.</div><div><br></div><div>Keith<br><br>Sent from my iPad<=
/div><div><br>On 2 Jun 2015, at 20:01, Kas Kastner <<a href=3D"mailto:kas=
kastner@gmail.com">kaskastner@gmail.com</a>> wrote:<br><br></div><blockqu=
ote type=3D"cite"><div><div dir=3D"ltr">I had failure of all three cars at S=
ebring with the IRS cars. In practices the diffs overheated and puked oil ou=
t the breather tub as you describe. I laid part of it to a new diff but most=
to the heat generated by a disc type limited slip. The capacity of the diff=
is marginal for endurance running. Add to the capacity or a=
dd a cooler. </div><div class=3D"gmail_extra"><br clear=3D"all"><div><d=
iv class=3D"gmail_signature"><p><strong><font color=3D"#000099">Never be bea=
ten by equipment.</font></strong></p></div></div>
<br><div class=3D"gmail_quote">On Tue, Jun 2, 2015 at 10:40 AM, Greg And Ali=
son Blake <span dir=3D"ltr"><<a href=3D"mailto:ablake2@austin.rr.com"; tar=
get=3D"_blank">ablake2@austin.rr.com</a>></span> wrote:<br><blockquote cl=
ass=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;pa=
dding-left:1ex">Some of yall may have followed the social Media posts provid=
ed by our teammates through the weekend. We were racing the Beanitos TR6 thi=
s past weekend at what was to be TWS's last ever race. It was a split 16 hou=
r endurance race (Sat&Sun).<br>
<br>
We had a strange failure on Saturday. About 6 hours in, the truck was full o=
f gear oil. I had routed a diff vent line to the trunk. Upon returning to th=
e garage, we discovered melted poly diff mounts. Pic below.<br>
<br>
I've been scratching my head on this one. Prior to boiling the diff fluid, w=
e had zero leaks in the freshly serviced diff. I had replaced all seals and f=
illed with STALUBE 90WT GL4.<br>
<br>
I've been racing my TR3 using this same diff fluid for 6 years (replaced eve=
ry two weekends). Never a problem with my vintage race car. Of course, I've n=
ever run the 3 for 6 hours straight.<br>
<br>
Some of the more seasoned endurance racers asked what fluid I had in the dif=
f. All suggested that mineral based fluid is not a good choice for endurance=
events.<br>
<br>
I'd love to hear opinions as to the route cause of our failure and more impo=
rtantly, suggested remedies.<br>
<br>
As to the results, the car was running consistently 2:1x laps with a fast la=
p of 2:10. We ended up taking the workers choice award. Had we run w/o diff f=
ailure and a subsequent battery failure, we could have been in the hunt for a=
podium finish. Fastest lap in our group was 2:09.9<br>
<br>
Great weekend<br>
<br>
<br><br>
<br>
Thanks<br>
Greg<br>_______________________________________________<br>
<a href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a><br>
<br>
<a href=3D"http://www.fot-racing.com"; target=3D"_blank">http://www.fot-racin=
g.com</a><br>
<br>
/www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/archive"; target=3D"_blank">http://ww=
w.team.net/archive</a><br>
Forums: <a href=3D"http://www.team.net/forums"; target=3D"_blank">http://www.=
team.net/forums</a><br>
kastner@gmail.com" target=3D"_blank">http://autox.team.net/mailman/options/f=
ot/kaskastner@gmail.com</a><br>
<br>
<br>
<br></blockquote></div><br></div>
</div></blockquote><blockquote type=3D"cite"><div><span>____________________=
___________________________</span><br><span><a href=3D"mailto:fot@autox.team=
.net">fot@autox.team.net</a></span><br><span></span><br><span><a href=3D"htt=
p://www.fot-racing.com">http://www.fot-racing.com</a></span><br><span></span=
><br><span>Donate: <a href=3D"http://www.team.net/donate.html";>http://www.te=
am.net/donate.html</a></span><br><span>Archive: <a href=3D"http://www.team.n=
et/archive">http://www.team.net/archive</a></span><br><span>Forums: <a href=3D=
"http://www.team.net/forums";>http://www.team.net/forums</a></span><br><span>=
thfiles@btinternet.com">http://autox.team.net/mailman/options/fot/keithfiles=
@btinternet.com</a></span><br><span></span><br><span></span><br></div></bloc=
kquote></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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