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boundary="----=_Part_1972617_1706704943.1536528479459"
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There is a factory set of tools that one uses to measure pinion depth befor=
e taking a diff apart. Then you set the new pinion at the same depth plus o=
r minus the number on the gear.
Barry
From: John Styduhar via Fot <fot@autox.team.net>
To: Greg Blake <gblake58tr3@icloud.com>=20
Cc: Triumph 'Friends of Triumph <fot@autox.team.net>
Sent: Sunday, September 9, 2018 5:12 PM
Subject: Re: [Fot] Fwd: Crown and pinion gear break in
=20
The "92" is the "matched set" number and should correspond with the set num=
ber on the ring gear.=C2=A0 The other number is the difference in pinion sh=
imming from the "normal".=C2=A0 =C2=A0 Haha, what is normal?
On Sat, Sep 8, 2018 at 12:33 AM Greg Blake via Fot <fot@autox.team.net> wro=
te:
Ok guys and gals.=C2=A0
Here is a pic of the new pinion head. What do I do with the number on the p=
inion head?=C2=A0
Thanks.=C2=A0
Sent from my iPhone
On Sep 7, 2018, at 1:07 PM, Bob Kramer <rkramer56@gmail.com> wrote:
I have a 4.88 ring and pinion in a box. My Triumph club is running the VTR =
National near Austin next year and I've been volunteered to head up the aut=
ocross. I think I'll build a diff with it and put it in the Beandito, and s=
ell tickets!=C2=A0
Bob Kramer
On Fri, Sep 7, 2018 at 8:37 AM, barry rosenberg via Fot <fot@autox.team.net=
> wrote:
Wasn't this the new set of gears? If so, they were new old stock from Engla=
nd. They once belonged to Jim Ealy, who owned a black, 1966 TR4A race car. =
I bought his junk yard to get his race car and the gears were new in the bo=
x. I knew him since 1973 and he had the gears then. I had them until recent=
ly. I would not think that back then there were cheap reproduction gears av=
ailable. He had 4:11, the 4:55 and 4:88 (great fun but useless). The 4:11 w=
ent in the car when I sold it, the 4:88 were put in a locked diff and playe=
d with on the street; the 4:55 sat on a shelf for all those years. If the d=
iff still had fluid in it, then it has to be improper set up, unfortunately=
.
Barry
From: Greg Blake via Fot <fot@autox.team.net>
To: Fot <fot@autox.team.net>=20
Cc: fot <fot@autox.team.net>
Sent: Friday, September 7, 2018 6:14 AM
Subject: Re: [Fot] Fwd: Crown and pinion gear break in
=20
Thanks guys for all the feedback.=C2=A0
So far I have only put the car in the air and pulled the cover. There is am=
ple evidence of excessive heat so something went wrong with my setup.=C2=A0
I might get the chance to pull it all out of the car and take some measurem=
ents on Sunday. Once I do, I=E2=80=99ll share my original setup notes and w=
hat I measure upon disassembly.
On a related note. I ordered a new gear set from Rimmer on Monday and it ar=
rived in Austin today, standard shipping. Amazing. Way faster than some of =
our domestic suppliers.=C2=A0
This new gear set was supplied by Bastuck. Hopefully lasts a little longer.=
=C2=A0
Sent from my iPhone
On Sep 6, 2018, at 7:41 AM, Rick Parent via Fot <fot@autox.team.net> wrote:
Looks like the pinion was way to deep.=20
On Thursday, September 6, 2018 6:38 AM, Bill via Fot <fot@autox.team.ne=
t> wrote:
=20
I doubt if a break-in procedure could have prevented failure, but as Marce=
l says, checking the temperature of the diff could have stopped the damage.=
The likely culprits are incorrect engagement or bad parts, but anything th=
at heats the gears enough to cook the oil off the parts will kill the gears=
. I had a close call with one of the gear sets I use. Apparently I screwed =
up somewhere in checking fit=E2=80=94when I pulled the rear end to assess t=
he problem there was no backlash. I have a huge finned differential cover s=
o checking temperature doesn=E2=80=99t help, but I could feel the car slowi=
ng quickly between shifts. Fortunately I wasn=E2=80=99t doing my usual clut=
chless shifts and noticed the sudden deceleration every time I disengaged t=
he clutch. The gear teeth were slightly blued and the oil smelled like a ce=
sspool, but the gears were still usable once I did the setup properly.=20
Bill
=20
> On Sep 5, 2018, at 1:48 AM, van.mulders.marcel--- via Fot <fot@autox.team=
.net> wrote:
>=20
>=20
>=20
> ----- Doorgestuurd bericht -----
> Van: "van mulders marcel" <van.mulders.marcel@telenet.be>
> Aan: "Greg Blake" <gblake58tr3@icloud.com>
> Verzonden: Woensdag 5 september 2018 10:47:59
> Onderwerp: Re: [Fot] Crown and pinion gear break in
>=20
> I think it is good measure to check the heat of the differential casing a=
fter a few laps when the pinion and crownwheel are freshly mounted : when t=
he casing gets very hot, something is wrong : or the parts are bad or they =
are mounted not correctly
> There are at least 2 manufactures of the TR parts, I forgot about the nam=
es. As far as I know, used original parts are running cooler than some of t=
he aftermarked parts. How was the noise of the diff? Did you notice the sme=
ll during the first laps?
> Marcel
>=20
> ----- Oorspronkelijk bericht -----
> Van: "fot" <fot@autox.team.net>
> Aan: "fot" <fot@autox.team.net>
> Verzonden: Woensdag 5 september 2018 03:25:39
> Onderwerp: [Fot] Crown and pinion gear break in
>=20
> I would love to here the FOT experience in breaking in new differential g=
ears. What has worked well for you in the past?=C2=A0=20
>=20
> Last weekend, I was running the TR3 at Hallett with a brand new 4.55 gear=
set and it failed. I probably got 30 laps total in 4 sessions on track. I =
did not think to follow any set break in procedure with the gears and I am =
wondering if that is why they failed.=20
>=20
> I am interested in the lists experience with brand new or new old stock r=
ing and pinion break in.=20
>=20
> Here is a pic of the failed set.=20
>=20
>=20
>=20
> [image/jpeg:image1.jpeg]
>=20
>=20
>=20
> Sent from my iPhone
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/fot
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/van.mulders=
.marcel@telenet.be
> _______________________________________________
> fot@autox.team.net
>=20
> http://www.fot-racing.com
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/fot
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/bill@ponost=
yle.com
>=20
>=20
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://www.team.net/pipermail/fot
tt.net
=20
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://www.team.net/pipermail/fot
cloud.com
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://www.team.net/pipermail/fot
south.net
=20
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://www.team.net/pipermail/fot
il.com
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://www.team.net/pipermail/fot
il.com
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://www.team.net/pipermail/fot
south.net
=20
------=_Part_1972617_1706704943.1536528479459
Content-Transfer-Encoding: quoted-printable
<html><head></head><body><div style=3D"color:#000; background-color:#fff; f=
ont-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font=
-size:13px"><div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536526013624_12402"><=
span id=3D"yui_3_16_0_ym19_1_1536526013624_12401">There is a factory set of=
tools that one uses to measure pinion depth before taking a diff apart. Th=
en you set the new pinion at the same depth plus or minus the number on the=
gear.</span></div><div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536526013624_1=
2404"><span><br></span></div><div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_15365=
26013624_12407"><span>Barry</span></div><div class=3D"qtdSeparateBR" id=3D"=
yui_3_16_0_ym19_1_1536526013624_12406"><br><br></div><div class=3D"yahoo_qu=
oted" id=3D"yui_3_16_0_ym19_1_1536526013624_12469" style=3D"display: block;=
"> <div style=3D"font-family: Helvetica Neue, Helvetica, Arial, Lucida Gra=
nde, sans-serif; font-size: 13px;" id=3D"yui_3_16_0_ym19_1_1536526013624_12=
468"> <div style=3D"font-family: HelveticaNeue, Helvetica Neue, Helvetica, =
Arial, Lucida Grande, sans-serif; font-size: 16px;" id=3D"yui_3_16_0_ym19_1=
_1536526013624_12467"> <div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_15365260136=
24_12466"> <font size=3D"2" face=3D"Arial"> <hr size=3D"1"> <b><span style=
=3D"font-weight:bold;">From:</span></b> John Styduhar via Fot <fot@autox=
.team.net><br> <b><span style=3D"font-weight: bold;">To:</span></b> Greg=
Blake <gblake58tr3@icloud.com> <br><b><span style=3D"font-weight: bo=
ld;">Cc:</span></b> Triumph 'Friends of Triumph <fot@autox.team.net><=
br> <b><span style=3D"font-weight: bold;">Sent:</span></b> Sunday, Septembe=
r 9, 2018 5:12 PM<br> <b><span style=3D"font-weight: bold;">Subject:</span>=
</b> Re: [Fot] Fwd: Crown and pinion gear break in<br> </font> </div> <div =
class=3D"y_msg_container" id=3D"yui_3_16_0_ym19_1_1536526013624_12473"><br>=
<div id=3D"yiv0604855335"><div id=3D"yui_3_16_0_ym19_1_1536526013624_12472"=
><div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536526013624_12471"><div class=
=3D"yiv0604855335gmail_default" style=3D"font-size:small;">The "92" is the =
"matched set" number and should correspond with the set number on the ring =
gear. The other number is the difference in pinion shimming from the =
"normal". Haha, what is normal?</div><div class=3D"yiv06048553=
35gmail_default" style=3D"font-size:small;" id=3D"yui_3_16_0_ym19_1_1536526=
013624_12470"><br clear=3D"none"></div></div><br clear=3D"none"><div class=
=3D"yiv0604855335gmail_quote" id=3D"yui_3_16_0_ym19_1_1536526013624_12476">=
<div class=3D"yiv0604855335yqt8106787341" id=3D"yiv0604855335yqt70545"><div=
dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536526013624_12475">On Sat, Sep 8, 20=
18 at 12:33 AM Greg Blake via Fot <<a rel=3D"nofollow" shape=3D"rect" ym=
ailto=3D"mailto:fot@autox.team.net"; target=3D"_blank" href=3D"mailto:fot@au=
tox.team.net">fot@autox.team.net</a>> wrote:<br clear=3D"none"></div><bl=
ockquote class=3D"yiv0604855335gmail_quote" style=3D"margin:0 0 0 .8ex;bord=
er-left:1px #ccc solid;padding-left:1ex;" id=3D"yui_3_16_0_ym19_1_153652601=
3624_12480"><div id=3D"yui_3_16_0_ym19_1_1536526013624_12479">Ok guys and g=
als. <div id=3D"yui_3_16_0_ym19_1_1536526013624_12478"><br clear=3D"no=
ne"></div><div id=3D"yui_3_16_0_ym19_1_1536526013624_12487">Here is a pic o=
f the new pinion head. What do I do with the number on the pinion head?&nbs=
p;</div><div><img id=3D"yiv0604855335m_-3671314450992527492D0E321B3-529F-40=
9C-BF60-3D743DEB9A62" src=3D"" alt=3D"image1.jpeg" data-id=3D"d2a69a8d-38b9=
-dcab-6106-041fbb8ae34e"><br clear=3D"none"></div><div>Thanks. </div><=
div id=3D"yui_3_16_0_ym19_1_1536526013624_12490"><br clear=3D"none"><br cle=
ar=3D"none"><div id=3D"yiv0604855335m_-3671314450992527492AppleMailSignatur=
e">Sent from my iPhone</div><div id=3D"yui_3_16_0_ym19_1_1536526013624_1248=
9"><br clear=3D"none">On Sep 7, 2018, at 1:07 PM, Bob Kramer <<a rel=3D"=
nofollow" shape=3D"rect" ymailto=3D"mailto:rkramer56@gmail.com"; target=3D"_=
blank" href=3D"mailto:rkramer56@gmail.com";>rkramer56@gmail.com</a>> wrot=
e:<br clear=3D"none"><br clear=3D"none"></div><blockquote type=3D"cite" id=
=3D"yui_3_16_0_ym19_1_1536526013624_12496"><div id=3D"yui_3_16_0_ym19_1_153=
6526013624_12495"><div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536526013624_12=
494">I have a 4.88 ring and pinion in a box. My Triumph club is running the=
VTR National near Austin next year and I've been volunteered to head up th=
e autocross. I think I'll build a diff with it and put it in the Beandito, =
and sell tickets! </div><div class=3D"yiv0604855335gmail_extra" id=3D"=
yui_3_16_0_ym19_1_1536526013624_12502"><br clear=3D"all"><div><div class=3D=
"yiv0604855335m_-3671314450992527492gmail_signature"><div dir=3D"ltr">Bob K=
ramer</div></div></div>
<br clear=3D"none"><div class=3D"yiv0604855335gmail_quote" id=3D"yui_3_16_0=
_ym19_1_1536526013624_12501">On Fri, Sep 7, 2018 at 8:37 AM, barry rosenber=
g via Fot <span dir=3D"ltr"><<a rel=3D"nofollow" shape=3D"rect" ymailto=
=3D"mailto:fot@autox.team.net"; target=3D"_blank" href=3D"mailto:fot@autox.t=
eam.net">fot@autox.team.net</a>></span> wrote:<br clear=3D"none"><blockq=
uote class=3D"yiv0604855335gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex;" id=3D"yui_3_16_0_ym19_1_1536526013624=
_12500"><div id=3D"yui_3_16_0_ym19_1_1536526013624_12499"><div style=3D"col=
or:#000;background-color:#fff;font-family:Helvetica Neue, Helvetica, Arial,=
Lucida Grande, sans-serif;font-size:13px;" id=3D"yui_3_16_0_ym19_1_1536526=
013624_12498"><div id=3D"yiv0604855335m_-3671314450992527492m_-692865941619=
3145832yui_3_16_0_ym19_1_1536326086781_12427"><span id=3D"yiv0604855335m_-3=
671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_124=
26">Wasn't this the new set of gears? If so, they were new old stock from E=
ngland. They once belonged to Jim Ealy, who owned a black, 1966 TR4A race c=
ar. I bought his junk yard to get his race car and the gears were new in th=
e box. I knew him since 1973 and he had the gears then. I had them until re=
cently. I would not think that back then there were cheap reproduction gear=
s available. He had 4:11, the 4:55 and 4:88 (great fun but useless). The 4:=
11 went in the car when I sold it, the 4:88 were put in a locked diff and p=
layed with on the street; the 4:55 sat on a shelf for all those years. If t=
he diff still had fluid in it, then it has to be improper set up, unfortuna=
tely.</span></div><div id=3D"yiv0604855335m_-3671314450992527492m_-69286594=
16193145832yui_3_16_0_ym19_1_1536326086781_12427"><span><br clear=3D"none">=
</span></div><div id=3D"yiv0604855335m_-3671314450992527492m_-6928659416193=
145832yui_3_16_0_ym19_1_1536326086781_12427"><span>Barry</span></div><div c=
lass=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832qtdSeparat=
eBR" id=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_1=
6_0_ym19_1_1536326086781_12440"><br clear=3D"none"><br clear=3D"none"></div=
><div class=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832yah=
oo_quoted" id=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832y=
ui_3_16_0_ym19_1_1536326086781_12446" style=3D"display:block;"> <div id=3D=
"yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1=
_1536326086781_12445" style=3D"font-family:Helvetica Neue, Helvetica, Arial=
, Lucida Grande, sans-serif;font-size:13px;"> <div id=3D"yiv0604855335m_-36=
71314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_1244=
4" style=3D"font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lu=
cida Grande, sans-serif;font-size:16px;"> <div dir=3D"ltr" id=3D"yiv0604855=
335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086=
781_12443"> <font id=3D"yiv0604855335m_-3671314450992527492m_-6928659416193=
145832yui_3_16_0_ym19_1_1536326086781_12442" size=3D"2" face=3D"Arial"> </f=
ont><hr id=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_=
3_16_0_ym19_1_1536326086781_12441" size=3D"1"> <b><span style=3D"font-weigh=
t:bold;">From:</span></b> Greg Blake via Fot <<a rel=3D"nofollow" shape=
=3D"rect" ymailto=3D"mailto:fot@autox.team.net"; target=3D"_blank" href=3D"m=
ailto:fot@autox.team.net" id=3D"yui_3_16_0_ym19_1_1536526013624_12509">fot@=
autox.team.net</a>><br clear=3D"none"> <b><span style=3D"font-weight:bol=
d;">To:</span></b> Fot <<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"ma=
ilto:fot@autox.team.net" target=3D"_blank" href=3D"mailto:fot@autox.team.ne=
t">fot@autox.team.net</a>> <br clear=3D"none"><b><span style=3D"font-wei=
ght:bold;">Cc:</span></b> fot <<a rel=3D"nofollow" shape=3D"rect" ymailt=
o=3D"mailto:fot@autox.team.net"; target=3D"_blank" href=3D"mailto:fot@autox.=
team.net">fot@autox.team.net</a>><br clear=3D"none"> <b><span style=3D"f=
ont-weight:bold;">Sent:</span></b> Friday, September 7, 2018 6:14 AM<br cle=
ar=3D"none"> <b><span style=3D"font-weight:bold;">Subject:</span></b> Re: [=
Fot] Fwd: Crown and pinion gear break in<br clear=3D"none"> </div> <div c=
lass=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832y_msg_cont=
ainer" id=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3=
_16_0_ym19_1_1536326086781_13039"><br clear=3D"none"><div id=3D"yiv06048553=
35m_-3671314450992527492m_-6928659416193145832yiv8608138712"><div id=3D"yiv=
0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_153=
6326086781_13040">Thanks guys for all the feedback. <div id=3D"yiv0604=
855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326=
086781_13041"><br clear=3D"none"></div><div id=3D"yiv0604855335m_-367131445=
0992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13042">So f=
ar I have only put the car in the air and pulled the cover. There is ample =
evidence of excessive heat so something went wrong with my setup. </di=
v><div id=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3=
_16_0_ym19_1_1536326086781_13043"><br clear=3D"none"></div><div id=3D"yiv06=
04855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15363=
26086781_13044">I might get the chance to pull it all out of the car and ta=
ke some measurements on Sunday. Once I do, I=E2=80=99ll share my original s=
etup notes and what I measure upon disassembly.</div><div id=3D"yiv06048553=
35m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15363260867=
81_13045"><br clear=3D"none"></div><div id=3D"yiv0604855335m_-3671314450992=
527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13046">On a rel=
ated note. I ordered a new gear set from Rimmer on Monday and it arrived in=
Austin today, standard shipping. Amazing. Way faster than some of our dome=
stic suppliers. </div><div><br clear=3D"none"></div><div>This new gear=
set was supplied by Bastuck. Hopefully lasts a little longer. </div>=
<div id=3D"yui_3_16_0_ym19_1_1536526013624_12515"><br clear=3D"none"><div i=
d=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv8608138712=
AppleMailSignature">Sent from my iPhone</div><div class=3D"yiv0604855335m_-=
3671314450992527492m_-6928659416193145832yiv8608138712yqt3328800303" id=3D"=
yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv8608138712yqt60=
981"><div><br clear=3D"none">On Sep 6, 2018, at 7:41 AM, Rick Parent via Fo=
t <<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:fot@autox.team.n=
et" target=3D"_blank" href=3D"mailto:fot@autox.team.net";>fot@autox.team.net=
</a>> wrote:<br clear=3D"none"><br clear=3D"none"></div><blockquote type=
=3D"cite" id=3D"yui_3_16_0_ym19_1_1536526013624_12523"><div id=3D"yui_3_16_=
0_ym19_1_1536526013624_12522"><div style=3D"color:#000;background-color:#ff=
f;font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;f=
ont-size:13px;" id=3D"yui_3_16_0_ym19_1_1536526013624_12521"><div id=3D"yiv=
0604855335m_-3671314450992527492m_-6928659416193145832yiv8608138712yui_3_16=
_0_ym19_1_1536237470748_10096"><span id=3D"yiv0604855335m_-3671314450992527=
492m_-6928659416193145832yiv8608138712yui_3_16_0_ym19_1_1536237470748_10136=
">Looks like the pinion was way to deep.</span></div> <div class=3D"yiv0604=
855335m_-3671314450992527492m_-6928659416193145832yiv8608138712qtdSeparateB=
R"><br clear=3D"none"><br clear=3D"none"></div><div class=3D"yiv0604855335m=
_-3671314450992527492m_-6928659416193145832yiv8608138712yahoo_quoted" style=
=3D"display:block;" id=3D"yui_3_16_0_ym19_1_1536526013624_12520"> <div styl=
e=3D"font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-seri=
f;font-size:13px;" id=3D"yui_3_16_0_ym19_1_1536526013624_12519"> <div style=
=3D"font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Gra=
nde, sans-serif;font-size:16px;" id=3D"yui_3_16_0_ym19_1_1536526013624_1251=
8"> <div dir=3D"ltr"><font size=3D"2" face=3D"Arial"> On Thursday, Septembe=
r 6, 2018 6:38 AM, Bill via Fot <<a rel=3D"nofollow" shape=3D"rect" ymai=
lto=3D"mailto:fot@autox.team.net"; target=3D"_blank" href=3D"mailto:fot@auto=
x.team.net">fot@autox.team.net</a>> wrote:<br clear=3D"none"></font></di=
v> <br clear=3D"none"><br clear=3D"none"> <div class=3D"yiv0604855335m_-36=
71314450992527492m_-6928659416193145832yiv8608138712y_msg_container" id=3D"=
yui_3_16_0_ym19_1_1536526013624_12517"><div dir=3D"ltr" id=3D"yui_3_16_0_ym=
19_1_1536526013624_12516">I doubt if a break-in procedure could have preven=
ted failure, but as Marcel says, checking the temperature of the diff could=
have stopped the damage. The likely culprits are incorrect engagement or b=
ad parts, but anything that heats the gears enough to cook the oil off the =
parts will kill the gears. I had a close call with one of the gear sets I u=
se. Apparently I screwed up somewhere in checking fit=E2=80=94when I pulled=
the rear end to assess the problem there was no backlash. I have a huge fi=
nned differential cover so checking temperature doesn=E2=80=99t help, but I=
could feel the car slowing quickly between shifts. Fortunately I wasn=E2=
=80=99t doing my usual clutchless shifts and noticed the sudden deceleratio=
n every time I disengaged the clutch. The gear teeth were slightly blued an=
d the oil smelled like a cesspool, but the gears were still usable once I d=
id the setup properly. <br clear=3D"none"><br clear=3D"none">Bill<br clear=
=3D"none"> <br clear=3D"none">> On Sep 5, 2018, at 1:48 AM, van.mulders.=
marcel--- via Fot <<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:=
fot@autox.team.net" target=3D"_blank" href=3D"mailto:fot@autox.team.net";>fo=
t@autox.team.net</a>> wrote:<br clear=3D"none">> <br clear=3D"none">&=
gt; <br clear=3D"none">> <br clear=3D"none">> ----- Doorgestuurd beri=
cht -----<br clear=3D"none">> Van: "van mulders marcel" <<a rel=3D"no=
follow" shape=3D"rect" ymailto=3D"mailto:van.mulders.marcel@telenet.be"; tar=
get=3D"_blank" href=3D"mailto:van.mulders.marcel@telenet.be";>van.mulders.ma=
rcel@telenet.be</a>><br clear=3D"none">> Aan: "Greg Blake" <<a rel=
=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:gblake58tr3@icloud.com"; targ=
et=3D"_blank" href=3D"mailto:gblake58tr3@icloud.com";>gblake58tr3@icloud.com=
</a>><br clear=3D"none">> Verzonden: Woensdag 5 september 2018 10:47:=
59<br clear=3D"none">> Onderwerp: Re: [Fot] Crown and pinion gear break =
in<br clear=3D"none">> <br clear=3D"none">> I think it is good measur=
e to check the heat of the differential casing after a few laps when the pi=
nion and crownwheel are freshly mounted : when the casing gets very hot, so=
mething is wrong : or the parts are bad or they are mounted not correctly<b=
r clear=3D"none">> There are at least 2 manufactures of the TR parts, I =
forgot about the names. As far as I know, used original parts are running c=
ooler than some of the aftermarked parts. How was the noise of the diff? Di=
d you notice the smell during the first laps?<br clear=3D"none">> Marcel=
<br clear=3D"none">> <br clear=3D"none">> ----- Oorspronkelijk berich=
t -----<br clear=3D"none">> Van: "fot" <<a rel=3D"nofollow" shape=3D"=
rect" ymailto=3D"mailto:fot@autox.team.net"; target=3D"_blank" href=3D"mailt=
o:fot@autox.team.net">fot@autox.team.net</a>><br clear=3D"none">> Aan=
: "fot" <<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:fot@autox.=
team.net" target=3D"_blank" href=3D"mailto:fot@autox.team.net";>fot@autox.te=
am.net</a>><br clear=3D"none">> Verzonden: Woensdag 5 september 2018 =
03:25:39<br clear=3D"none">> Onderwerp: [Fot] Crown and pinion gear brea=
k in<br clear=3D"none">> <br clear=3D"none">> I would love to here th=
e FOT experience in breaking in new differential gears. What has worked wel=
l for you in the past? <br clear=3D"none">> <br clear=3D"none">>=
; Last weekend, I was running the TR3 at Hallett with a brand new 4.55 gear=
set and it failed. I probably got 30 laps total in 4 sessions on track. I =
did not think to follow any set break in procedure with the gears and I am =
wondering if that is why they failed. <br clear=3D"none">> <br clear=3D"=
none">> I am interested in the lists experience with brand new or new ol=
d stock ring and pinion break in. <br clear=3D"none">> <br clear=3D"none=
">> Here is a pic of the failed set. <br clear=3D"none">> <br clear=
=3D"none">> <br clear=3D"none">> <br clear=3D"none">> [image/jpeg:=
image1.jpeg]<br clear=3D"none">> <br clear=3D"none">> <br clear=3D"no=
ne">> <br clear=3D"none">> Sent from my iPhone<br clear=3D"none">>=
_______________________________________________<br clear=3D"none">> <a =
rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:fot@autox.team.net"; targe=
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lear=3D"none">> <br clear=3D"none">> <a rel=3D"nofollow" shape=3D"rec=
t" target=3D"_blank" href=3D"http://www.fot-racing.com/";>http://www.fot-rac=
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hive: <a rel=3D"nofollow" shape=3D"rect" target=3D"_blank" href=3D"http://w=
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p://www.team.net/pipermail/fot</a><br clear=3D"none">> Unsubscribe/Manag=
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6_0_ym19_1_1536526013624_12527">http://autox.team.net/mailman/options/fot/v=
an.mulders.marcel@telenet.be</a><br clear=3D"none">> ___________________=
____________________________<br clear=3D"none">> <a rel=3D"nofollow" sha=
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@ponostyle.com</a><div class=3D"yiv0604855335m_-3671314450992527492m_-69286=
59416193145832yiv8608138712yqt5699898352" id=3D"yiv0604855335m_-36713144509=
92527492m_-6928659416193145832yiv8608138712yqtfd98926"><br clear=3D"none">&=
gt; <br clear=3D"none">> <br clear=3D"none"><br clear=3D"none">_________=
______________________________________<br clear=3D"none"><a rel=3D"nofollow=
" shape=3D"rect" ymailto=3D"mailto:fot@autox.team.net"; target=3D"_blank" hr=
ef=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a><br clear=3D"none"><=
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">Archive: <a rel=3D"nofollow" shape=3D"rect" target=3D"_blank" href=3D"htt=
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r clear=3D"none"><br clear=3D"none"><br clear=3D"none"></div></div><br clea=
r=3D"none"><br clear=3D"none"></div> </div> </div> </div></div></div></bl=
ockquote></div><blockquote type=3D"cite" id=3D"yui_3_16_0_ym19_1_1536526013=
624_12535"><div id=3D"yui_3_16_0_ym19_1_1536526013624_12534"><span>________=
_______________________________________</span><br clear=3D"none"><span><a r=
el=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:fot@autox.team.net"; target=
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w" shape=3D"rect" target=3D"_blank" href=3D"http://www.fot-racing.com/";>htt=
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/a></span><br clear=3D"none"><span>Archive: <a rel=3D"nofollow" shape=3D"re=
ct" target=3D"_blank" href=3D"http://www.team.net/pipermail/fot";>http://www=
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clear=3D"none"><span></span><br clear=3D"none"><span></span><br clear=3D"n=
one"></div></blockquote></div></div></div><div class=3D"yiv0604855335m_-367=
1314450992527492m_-6928659416193145832yqt3328800303" id=3D"yiv0604855335m_-=
3671314450992527492m_-6928659416193145832yqt87676">________________________=
_______________________<br clear=3D"none"><a rel=3D"nofollow" shape=3D"rect=
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t@autox.team.net">fot@autox.team.net</a><br clear=3D"none"><br clear=3D"non=
e"><a rel=3D"nofollow" shape=3D"rect" target=3D"_blank" href=3D"http://www.=
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ear=3D"none"></div><br clear=3D"none"><br clear=3D"none"></div> </div> </di=
v> </div></div></div><br clear=3D"none">__________________________________=
_____________<br clear=3D"none">
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Archive: <a rel=3D"nofollow" shape=3D"rect" target=3D"_blank" href=3D"http:=
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</div></blockquote></div></div>____________________________________________=
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Archive: <a rel=3D"nofollow" shape=3D"rect" target=3D"_blank" href=3D"http:=
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</blockquote></div></div></div></div><div class=3D"yqt8106787341" id=3D"yqt=
37952">_______________________________________________<br clear=3D"none"><a=
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_______________________________________________
fot@autox.team.net
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Archive: http://www.team.net/pipermail/fot
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