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Re: [Fot] Fwd: Crown and pinion gear break in

To: John Styduhar <johnstydo@gmail.com>
Subject: Re: [Fot] Fwd: Crown and pinion gear break in
From: Greg Blake via Fot <fot@autox.team.net>
Date: Sun, 09 Sep 2018 10:09:16 -0500
Cc: Triumph 'Friends of Triumph <fot@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <7FAC951C-9CE7-49E5-8DCA-37BDD2E7B8E6@icloud.com> <1425223651.1077147502.1536137279966.JavaMail.zimbra@telenet.be> <1518278895.1077153139.1536137336417.JavaMail.zimbra@telenet.be> <C32F1C79-7520-43DA-8280-01E2EAB5C50A@ponostyle.com> <2031959496.408884.1536237686897@mail.yahoo.com> <AE6D512D-2CF2-42AB-BA52-9B1F9F5065C3@icloud.com> <520565677.1085482.1536327452002@mail.yahoo.com> <CABFvdWsbXWYtGnNyspFni8QcX78LjRtr+iKcLy1Ypv7f0QaYkQ@mail.gmail.com> <102B5B39-2FE9-47F3-9924-9EEBC05F08EC@icloud.com> <CAMJWJcEPp_fRgonGoDVaS-BOBA_iXuuRuchyTum1eqBRjHBFeQ@mail.gmail.com>
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Thanks John.=20

Sent from my iPhone

> On Sep 9, 2018, at 10:07 AM, John Styduhar <johnstydo@gmail.com> wrote:
>=20
> The "92" is the "matched set" number and should correspond with the set nu=
mber on the ring gear.  The other number is the difference in pinion shimmin=
g from the "normal".    Haha, what is normal?
>=20
>=20
>> On Sat, Sep 8, 2018 at 12:33 AM Greg Blake via Fot <fot@autox.team.net> w=
rote:
>> Ok guys and gals.=20
>>=20
>> Here is a pic of the new pinion head. What do I do with the number on the=
 pinion head?=20
>>=20
>> Thanks.=20
>>=20
>>=20
>> Sent from my iPhone
>>=20
>>> On Sep 7, 2018, at 1:07 PM, Bob Kramer <rkramer56@gmail.com> wrote:
>>>=20
>>> I have a 4.88 ring and pinion in a box. My Triumph club is running the V=
TR National near Austin next year and I've been volunteered to head up the a=
utocross. I think I'll build a diff with it and put it in the Beandito, and s=
ell tickets!=20
>>>=20
>>> Bob Kramer
>>>=20
>>>> 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 E=
ngland. They once belonged to Jim Ealy, who owned a black, 1966 TR4A race ca=
r. I bought his junk yard to get his race car and the gears were new in the b=
ox. 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 ava=
ilable. He had 4:11, the 4:55 and 4:88 (great fun but useless). The 4:11 wen=
t in the car when I sold it, the 4:88 were put in a locked diff and played w=
ith on the street; the 4:55 sat on a shelf for all those years. If the diff s=
till had fluid in it, then it has to be improper set up, unfortunately.
>>>>=20
>>>> Barry
>>>>=20
>>>>=20
>>>> 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.=20
>>>>=20
>>>> So far I have only put the car in the air and pulled the cover. There i=
s ample evidence of excessive heat so something went wrong with my setup.=20=

>>>>=20
>>>> I might get the chance to pull it all out of the car and take some meas=
urements on Sunday. Once I do, I=E2=80=99ll share my original setup notes an=
d what I measure upon disassembly.
>>>>=20
>>>> On a related note. I ordered a new gear set from Rimmer on Monday and i=
t arrived in Austin today, standard shipping. Amazing. Way faster than some o=
f our domestic suppliers.=20
>>>>=20
>>>> This new gear set was supplied by Bastuck. Hopefully lasts a little lon=
ger. =20
>>>>=20
>>>> Sent from my iPhone
>>>>=20
>>>>> On Sep 6, 2018, at 7:41 AM, Rick Parent via Fot <fot@autox.team.net> w=
rote:
>>>>>=20
>>>>> Looks like the pinion was way to deep.
>>>>>=20
>>>>>=20
>>>>> On Thursday, September 6, 2018 6:38 AM, Bill via Fot <fot@autox.team.n=
et> wrote:
>>>>>=20
>>>>>=20
>>>>> I doubt if a break-in procedure could have prevented failure, but as M=
arcel says, checking the temperature of the diff could have stopped the dama=
ge. The likely culprits are incorrect engagement or bad parts, but anything t=
hat 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 u=
p somewhere in checking fit=E2=80=94when I pulled the rear end to assess the=
 problem there was no backlash. I have a huge finned differential cover so c=
hecking temperature doesn=E2=80=99t help, but I could feel the car slowing q=
uickly between shifts. Fortunately I wasn=E2=80=99t doing my usual clutchles=
s shifts and noticed the sudden deceleration every time I disengaged the clu=
tch. The gear teeth were slightly blued and the oil smelled like a cesspool,=
 but the gears were still usable once I did the setup properly.=20
>>>>>=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 cas=
ing after a few laps when the pinion and crownwheel are freshly mounted : wh=
en the casing gets very hot, something is wrong : or the parts are bad or th=
ey are mounted not correctly
>>>>> > There are at least 2 manufactures of the TR parts, I forgot about th=
e names. As far as I know, used original parts are running cooler than some o=
f the aftermarked parts. How was the noise of the diff? Did you notice the s=
mell 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 different=
ial gears. What has worked well for you in the past? =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 a=
m wondering if that is why they failed.=20
>>>>> >=20
>>>>> > I am interested in the lists experience with brand new or new old st=
ock ring 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.mu=
lders.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@p=
onostyle.com
>>>>>=20
>>>>> >=20
>>>>> >=20
>>>>>=20
>>>>> _______________________________________________
>>>>> 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/rick.par=
ent@att.net
>>>>>=20
>>>>>=20
>>>>>=20
>>>>>=20
>>>>> _______________________________________________
>>>>> 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/gblake58=
tr3@icloud.com
>>>>>=20
>>>>>=20
>>>>=20
>>>> _______________________________________________
>>>> 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/britcars@=
bellsouth.net
>>>>=20
>>>>=20
>>>>=20
>>>>=20
>>>>=20
>>>> _______________________________________________
>>>> 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/rkramer56=
@gmail.com
>>>>=20
>>>>=20
>>>>=20
>>>=20
>> _______________________________________________
>> 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/johnstydo@g=
mail.com
>>=20
>>=20
> <image1.jpeg>

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        charset=utf-8
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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">Thanks John.&nbsp;<br><br><div id=3D"AppleM=
ailSignature">Sent from my iPhone</div><div><br>On Sep 9, 2018, at 10:07 AM,=
 John Styduhar &lt;<a href=3D"mailto:johnstydo@gmail.com";>johnstydo@gmail.co=
m</a>&gt; wrote:<br><br></div><blockquote type=3D"cite"><div><div dir=3D"ltr=
"><div class=3D"gmail_default" style=3D"font-size:small">The "92" is the "ma=
tched set" number and should correspond with the set number on the ring gear=
.&nbsp; The other number is the difference in pinion shimming from the "norm=
al".&nbsp; &nbsp; Haha, what is normal?</div><div class=3D"gmail_default" st=
yle=3D"font-size:small"><br></div></div><br><div class=3D"gmail_quote"><div d=
ir=3D"ltr">On Sat, Sep 8, 2018 at 12:33 AM Greg Blake via Fot &lt;<a href=3D=
"mailto:fot@autox.team.net";>fot@autox.team.net</a>&gt; wrote:<br></div><bloc=
kquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc=
 solid;padding-left:1ex"><div dir=3D"auto">Ok guys and gals.&nbsp;<div><br><=
/div><div>Here is a pic of the new pinion head. What do I do with the number=
 on the pinion head?&nbsp;</div><div><img src=3D"cid:D0E321B3-529F-409C-BF60=
-3D743DEB9A62" alt=3D"image1.jpeg" id=3D"m_-3671314450992527492D0E321B3-529F-=
409C-BF60-3D743DEB9A62"><br></div><div>Thanks.&nbsp;</div><div><br><br><div i=
d=3D"m_-3671314450992527492AppleMailSignature">Sent from my iPhone</div><div=
><br>On Sep 7, 2018, at 1:07 PM, Bob Kramer &lt;<a href=3D"mailto:rkramer56@=
gmail.com" target=3D"_blank">rkramer56@gmail.com</a>&gt; wrote:<br><br></div=
><blockquote type=3D"cite"><div><div dir=3D"ltr">I have a 4.88 ring and pini=
on in a box. My Triumph club is running the VTR National near Austin next ye=
ar and I've been volunteered to head up the autocross. I think I'll build a d=
iff with it and put it in the Beandito, and sell tickets!&nbsp;</div><div cl=
ass=3D"gmail_extra"><br clear=3D"all"><div><div class=3D"m_-3671314450992527=
492gmail_signature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr">Bob K=
ramer</div></div></div>
<br><div class=3D"gmail_quote">On Fri, Sep 7, 2018 at 8:37 AM, barry rosenbe=
rg via Fot <span dir=3D"ltr">&lt;<a href=3D"mailto:fot@autox.team.net"; targe=
t=3D"_blank">fot@autox.team.net</a>&gt;</span> wrote:<br><blockquote class=3D=
"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-=
left:1ex"><div><div style=3D"color:#000;background-color:#fff;font-family:He=
lvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:13px"><div i=
d=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_153632608=
6781_12427"><span id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16=
_0_ym19_1_1536326086781_12426">Wasn't this the new set of gears? If so, they=
 were new old stock from England. 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 t=
he gears were new in the box. I knew him since 1973 and he had the gears the=
n. I had them until recently. I would not think that back then there were ch=
eap reproduction gears available. He had 4:11, the 4:55 and 4:88 (great fun b=
ut useless). The 4:11 went in the car when I sold it, the 4:88 were put in a=
 locked diff and played with on the street; the 4:55 sat on a shelf for all t=
hose years. If the diff still had fluid in it, then it has to be improper se=
t up, unfortunately.</span></div><div id=3D"m_-3671314450992527492m_-6928659=
416193145832yui_3_16_0_ym19_1_1536326086781_12427"><span><br></span></div><d=
iv id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15363=
26086781_12427"><span>Barry</span></div><div class=3D"m_-3671314450992527492=
m_-6928659416193145832qtdSeparateBR" id=3D"m_-3671314450992527492m_-69286594=
16193145832yui_3_16_0_ym19_1_1536326086781_12440"><br><br></div><div class=3D=
"m_-3671314450992527492m_-6928659416193145832yahoo_quoted" id=3D"m_-36713144=
50992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12446" styl=
e=3D"display:block">  <div style=3D"font-family:Helvetica Neue,Helvetica,Ari=
al,Lucida Grande,sans-serif;font-size:13px" id=3D"m_-3671314450992527492m_-6=
928659416193145832yui_3_16_0_ym19_1_1536326086781_12445"> <div style=3D"font=
-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-seri=
f;font-size:16px" id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16=
_0_ym19_1_1536326086781_12444"> <div dir=3D"ltr" id=3D"m_-367131445099252749=
2m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12443"> <font size=3D=
"2" face=3D"Arial" id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_1=
6_0_ym19_1_1536326086781_12442"> <hr size=3D"1" id=3D"m_-3671314450992527492=
m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12441"> <b><span style=
=3D"font-weight:bold">From:</span></b> Greg Blake via Fot &lt;<a href=3D"mai=
lto:fot@autox.team.net" target=3D"_blank">fot@autox.team.net</a>&gt;<br> <b>=
<span style=3D"font-weight:bold">To:</span></b> Fot &lt;<a href=3D"mailto:fo=
t@autox.team.net" target=3D"_blank">fot@autox.team.net</a>&gt; <br><b><span s=
tyle=3D"font-weight:bold">Cc:</span></b> fot &lt;<a href=3D"mailto:fot@autox=
.team.net" target=3D"_blank">fot@autox.team.net</a>&gt;<br> <b><span style=3D=
"font-weight:bold">Sent:</span></b> Friday, September 7, 2018 6:14 AM<br> <b=
><span style=3D"font-weight:bold">Subject:</span></b> Re: [Fot] Fwd:  Crown a=
nd pinion gear break in<br> </font> </div> <div class=3D"m_-3671314450992527=
492m_-6928659416193145832y_msg_container" id=3D"m_-3671314450992527492m_-692=
8659416193145832yui_3_16_0_ym19_1_1536326086781_13039"><br><div id=3D"m_-367=
1314450992527492m_-6928659416193145832yiv8608138712"><div id=3D"m_-367131445=
0992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13040">Thank=
s guys for all the feedback.&nbsp;<div id=3D"m_-3671314450992527492m_-692865=
9416193145832yui_3_16_0_ym19_1_1536326086781_13041"><br clear=3D"none"></div=
><div id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15=
36326086781_13042">So far I have only put the car in the air and pulled the c=
over. There is ample evidence of excessive heat so something went wrong with=
 my setup.&nbsp;</div><div id=3D"m_-3671314450992527492m_-692865941619314583=
2yui_3_16_0_ym19_1_1536326086781_13043"><br clear=3D"none"></div><div id=3D"=
m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_=
13044">I might get the chance to pull it all out of the car and take some me=
asurements on Sunday. Once I do, I=E2=80=99ll share my original setup notes a=
nd what I measure upon disassembly.</div><div id=3D"m_-3671314450992527492m_=
-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13045"><br clear=3D"none=
"></div><div id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym=
19_1_1536326086781_13046">On a related note. I ordered a new gear set from R=
immer on Monday and it arrived in Austin today, standard shipping. Amazing. W=
ay faster than some of our domestic suppliers.&nbsp;</div><div><br clear=3D"=
none"></div><div>This new gear set was supplied by Bastuck. Hopefully lasts a=
 little longer. &nbsp;</div><div><br clear=3D"none"><div id=3D"m_-3671314450=
992527492m_-6928659416193145832yiv8608138712AppleMailSignature">Sent from my=
 iPhone</div><div class=3D"m_-3671314450992527492m_-6928659416193145832yiv86=
08138712yqt3328800303" id=3D"m_-3671314450992527492m_-6928659416193145832yiv=
8608138712yqt60981"><div><br clear=3D"none">On Sep 6, 2018, at 7:41 AM, Rick=
 Parent via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:fot@au=
tox.team.net" target=3D"_blank">fot@autox.team.net</a>&gt; wrote:<br clear=3D=
"none"><br clear=3D"none"></div><blockquote type=3D"cite"><div><div style=3D=
"color:#000;background-color:#fff;font-family:Helvetica Neue,Helvetica,Arial=
,Lucida Grande,sans-serif;font-size:13px"><div id=3D"m_-3671314450992527492m=
_-6928659416193145832yiv8608138712yui_3_16_0_ym19_1_1536237470748_10096"><sp=
an id=3D"m_-3671314450992527492m_-6928659416193145832yiv8608138712yui_3_16_0=
_ym19_1_1536237470748_10136">Looks like the pinion was way to deep.</span></=
div> <div class=3D"m_-3671314450992527492m_-6928659416193145832yiv8608138712=
qtdSeparateBR"><br clear=3D"none"><br clear=3D"none"></div><div class=3D"m_-=
3671314450992527492m_-6928659416193145832yiv8608138712yahoo_quoted" style=3D=
"display:block"> <div style=3D"font-family:Helvetica Neue,Helvetica,Arial,Lu=
cida Grande,sans-serif;font-size:13px"> <div style=3D"font-family:HelveticaN=
eue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px">=
 <div dir=3D"ltr"><font size=3D"2" face=3D"Arial"> On Thursday, September 6,=
 2018 6:38 AM, Bill via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"m=
ailto:fot@autox.team.net" target=3D"_blank">fot@autox.team.net</a>&gt; wrote=
:<br clear=3D"none"></font></div>  <br clear=3D"none"><br clear=3D"none"> <d=
iv class=3D"m_-3671314450992527492m_-6928659416193145832yiv8608138712y_msg_c=
ontainer"><div dir=3D"ltr">I doubt if a break-in procedure could have preven=
ted failure, but as Marcel says, checking the temperature of the diff could h=
ave stopped the damage. The likely culprits are incorrect engagement or bad p=
arts, 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 use. Ap=
parently I screwed up somewhere in checking fit=E2=80=94when I pulled the re=
ar end to assess the problem there was no backlash. I have a huge finned dif=
ferential cover so checking temperature doesn=E2=80=99t help, but I could fe=
el the car slowing quickly between shifts. Fortunately I wasn=E2=80=99t doin=
g my usual clutchless shifts and noticed the sudden deceleration every time I=
 disengaged the clutch. The gear teeth were slightly blued and the oil smell=
ed like a cesspool, but the gears were still usable once I did the setup pro=
perly. <br clear=3D"none"><br clear=3D"none">Bill<br clear=3D"none"> <br cle=
ar=3D"none">&gt; On Sep 5, 2018, at 1:48 AM, van.mulders.marcel--- via Fot &=
lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:fot@autox.team.net"; tar=
get=3D"_blank">fot@autox.team.net</a>&gt; wrote:<br clear=3D"none">&gt; <br c=
lear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; ----- Doo=
rgestuurd bericht -----<br clear=3D"none">&gt; Van: "van mulders marcel" &lt=
;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:van.mulders.marcel@telene=
t.be" target=3D"_blank">van.mulders.marcel@telenet.be</a>&gt;<br clear=3D"no=
ne">&gt; Aan: "Greg Blake" &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"ma=
ilto:gblake58tr3@icloud.com" target=3D"_blank">gblake58tr3@icloud.com</a>&gt=
;<br clear=3D"none">&gt; Verzonden: Woensdag 5 september 2018 10:47:59<br cl=
ear=3D"none">&gt; Onderwerp: Re: [Fot] Crown and pinion gear break in<br cle=
ar=3D"none">&gt; <br clear=3D"none">&gt; I think it is good measure to check=
 the heat of the differential casing after a few laps when the pinion and cr=
ownwheel are freshly mounted : when the casing gets very hot, something is w=
rong : or the parts are bad or they are mounted not correctly<br clear=3D"no=
ne">&gt; There are at least 2 manufactures of the TR parts, I forgot about t=
he names. As far as I know, used original parts are running cooler than some=
 of the aftermarked parts. How was the noise of the diff? Did you notice the=
 smell during the first laps?<br clear=3D"none">&gt; Marcel<br clear=3D"none=
">&gt; <br clear=3D"none">&gt; ----- Oorspronkelijk bericht -----<br clear=3D=
"none">&gt; Van: "fot" &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto=
:fot@autox.team.net" target=3D"_blank">fot@autox.team.net</a>&gt;<br clear=3D=
"none">&gt; Aan: "fot" &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto=
:fot@autox.team.net" target=3D"_blank">fot@autox.team.net</a>&gt;<br clear=3D=
"none">&gt; Verzonden: Woensdag 5 september 2018 03:25:39<br clear=3D"none">=
&gt; Onderwerp: [Fot] Crown and pinion gear break in<br clear=3D"none">&gt; <=
br clear=3D"none">&gt; I would love to here the FOT experience in breaking i=
n new differential gears. What has worked well for you in the past?&nbsp; <b=
r clear=3D"none">&gt; <br clear=3D"none">&gt; Last weekend, I was running th=
e TR3 at Hallett with a brand new 4.55 gear set and it failed. I probably go=
t 30 laps total in 4 sessions on track. I did not think to follow any set br=
eak in procedure with the gears and I am wondering if that is why they faile=
d. <br clear=3D"none">&gt; <br clear=3D"none">&gt; I am interested in the li=
sts experience with brand new or new old stock ring and pinion break in. <br=
 clear=3D"none">&gt; <br clear=3D"none">&gt; Here is a pic of the failed set=
. <br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; <b=
r clear=3D"none">&gt; [image/jpeg:image1.jpeg]<br clear=3D"none">&gt; <br cl=
ear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; Sent from m=
y iPhone<br clear=3D"none">&gt; ____________________________________________=
___<br clear=3D"none">&gt; <a rel=3D"nofollow" shape=3D"rect" href=3D"mailto=
:fot@autox.team.net" target=3D"_blank">fot@autox.team.net</a><br clear=3D"no=
ne">&gt; <br clear=3D"none">&gt; <a rel=3D"nofollow" shape=3D"rect" href=3D"=
http://www.fot-racing.com/"; target=3D"_blank">http://www.fot-racing.com</a><=
br clear=3D"none">&gt; <br clear=3D"none">&gt; Donate: <a rel=3D"nofollow" s=
hape=3D"rect" href=3D"http://www.team.net/donate.html"; target=3D"_blank">htt=
p://www.team.net/donate.html</a><br clear=3D"none">&gt; Archive: <a rel=3D"n=
ofollow" shape=3D"rect" href=3D"http://www.team.net/pipermail/fot"; target=3D=
"_blank">http://www.team.net/pipermail/fot</a><br clear=3D"none">&gt; Unsubs=
cribe/Manage: <a rel=3D"nofollow" shape=3D"rect" href=3D"http://autox.team.n=
et/mailman/options/fot/van.mulders.marcel@telenet.be" target=3D"_blank">http=
://autox.team.net/mailman/options/fot/van.mulders.marcel@telenet.be</a><br c=
lear=3D"none">&gt; _______________________________________________<br clear=3D=
"none">&gt; <a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:fot@autox.team=
.net" target=3D"_blank">fot@autox.team.net</a><br clear=3D"none">&gt; <br cl=
ear=3D"none">&gt; <a rel=3D"nofollow" shape=3D"rect" href=3D"http://www.fot-=
racing.com/" target=3D"_blank">http://www.fot-racing.com</a><br clear=3D"non=
e">&gt; <br clear=3D"none">&gt; Donate: <a rel=3D"nofollow" shape=3D"rect" h=
ref=3D"http://www.team.net/donate.html"; target=3D"_blank">http://www.team.ne=
t/donate.html</a><br clear=3D"none">&gt; Archive: <a rel=3D"nofollow" shape=3D=
"rect" href=3D"http://www.team.net/pipermail/fot"; target=3D"_blank">http://w=
ww.team.net/pipermail/fot</a><br clear=3D"none">&gt; Unsubscribe/Manage: <a r=
el=3D"nofollow" shape=3D"rect" href=3D"http://autox.team.net/mailman/options=
/fot/bill@ponostyle.com" target=3D"_blank">http://autox.team.net/mailman/opt=
ions/fot/bill@ponostyle.com</a><div class=3D"m_-3671314450992527492m_-692865=
9416193145832yiv8608138712yqt5699898352" id=3D"m_-3671314450992527492m_-6928=
659416193145832yiv8608138712yqtfd98926"><br clear=3D"none">&gt; <br clear=3D=
"none">&gt; <br clear=3D"none"><br clear=3D"none">__________________________=
_____________________<br clear=3D"none"><a rel=3D"nofollow" shape=3D"rect" h=
ref=3D"mailto:fot@autox.team.net"; target=3D"_blank">fot@autox.team.net</a><b=
r clear=3D"none"><br clear=3D"none"><a rel=3D"nofollow" shape=3D"rect" href=3D=
"http://www.fot-racing.com/"; target=3D"_blank">http://www.fot-racing.com</a>=
<br clear=3D"none"><br clear=3D"none">Donate: <a rel=3D"nofollow" shape=3D"r=
ect" href=3D"http://www.team.net/donate.html"; target=3D"_blank">http://www.t=
eam.net/donate.html</a><br clear=3D"none">Archive: <a rel=3D"nofollow" shape=
=3D"rect" href=3D"http://www.team.net/pipermail/fot"; target=3D"_blank">http:=
//www.team.net/pipermail/fot</a><br clear=3D"none">Unsubscribe/Manage: <a re=
l=3D"nofollow" shape=3D"rect" href=3D"http://autox.team.net/mailman/options/=
fot/rick.parent@att.net" target=3D"_blank">http://autox.team.net/mailman/opt=
ions/fot/rick.parent@att.net</a><br clear=3D"none"><br clear=3D"none"><br cl=
ear=3D"none"></div></div><br clear=3D"none"><br clear=3D"none"></div>  </div=
> </div>  </div></div></div></blockquote></div><blockquote type=3D"cite"><di=
v><span>_______________________________________________</span><br clear=3D"n=
one"><span><a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:fot@autox.team.=
net" target=3D"_blank">fot@autox.team.net</a></span><br clear=3D"none"><span=
></span><br clear=3D"none"><span><a rel=3D"nofollow" shape=3D"rect" href=3D"=
http://www.fot-racing.com/"; target=3D"_blank">http://www.fot-racing.com</a><=
/span><br clear=3D"none"><span></span><br clear=3D"none"><span>Donate: <a re=
l=3D"nofollow" shape=3D"rect" href=3D"http://www.team.net/donate.html"; targe=
t=3D"_blank">http://www.team.net/donate.html</a></span><br clear=3D"none"><s=
pan>Archive: <a rel=3D"nofollow" shape=3D"rect" href=3D"http://www.team.net/=
pipermail/fot" target=3D"_blank">http://www.team.net/pipermail/fot</a></span=
><br clear=3D"none"><span>Unsubscribe/Manage: <a rel=3D"nofollow" shape=3D"r=
ect" href=3D"http://autox.team.net/mailman/options/fot/gblake58tr3@icloud.co=
m" target=3D"_blank">http://autox.team.net/mailman/options/fot/gblake58tr3@i=
cloud.com</a></span><br clear=3D"none"><span></span><br clear=3D"none"><span=
></span><br clear=3D"none"></div></blockquote></div></div></div><div class=3D=
"m_-3671314450992527492m_-6928659416193145832yqt3328800303" id=3D"m_-3671314=
450992527492m_-6928659416193145832yqt87676">________________________________=
_______________<br clear=3D"none"><a shape=3D"rect" href=3D"mailto:fot@autox=
.team.net" 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/"; target=3D=
"_blank">http://www.fot-racing.com</a><br clear=3D"none"><br clear=3D"none">=
"_blank">http://www.team.net/donate.html</a><br clear=3D"none">Archive: <a s=
hape=3D"rect" href=3D"http://www.team.net/pipermail/fot"; target=3D"_blank">h=
ttp://www.team.net/pipermail/fot</a><br clear=3D"none">Unsubscribe/Manage: <=
a shape=3D"rect" href=3D"http://autox.team.net/mailman/options/fot/britcars@=
bellsouth.net" target=3D"_blank">http://autox.team.net/mailman/options/fot/b=
ritcars@bellsouth.net</a><br clear=3D"none"><br clear=3D"none"><br clear=3D"=
none"></div><br><br></div> </div> </div>  </div></div></div><br>____________=
___________________________________<br>
<a href=3D"mailto:fot@autox.team.net"; target=3D"_blank">fot@autox.team.net</=
a><br>
<br>
<a href=3D"http://www.fot-racing.com"; rel=3D"noreferrer" target=3D"_blank">h=
ttp://www.fot-racing.com</a><br>
<br>
t=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/fot%0DUnsubscribe/Manage"; r=
el=3D"noreferrer" target=3D"_blank">http://www.team.net/pipermail/fot<br>
/rkramer56@gmail.com" rel=3D"noreferrer" target=3D"_blank">http://autox.team=
.net/mailman/options/fot/rkramer56@gmail.com</a><br>
<br>
<br>
<br></blockquote></div><br></div>
</div></blockquote></div></div>_____________________________________________=
__<br>
<a href=3D"mailto:fot@autox.team.net"; target=3D"_blank">fot@autox.team.net</=
a><br>
<br>
<a href=3D"http://www.fot-racing.com"; rel=3D"noreferrer" target=3D"_blank">h=
ttp://www.fot-racing.com</a><br>
<br>
t=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/fot"; rel=3D"noreferrer" ta=
rget=3D"_blank">http://www.team.net/pipermail/fot</a><br>
nstydo@gmail.com" rel=3D"noreferrer" target=3D"_blank">http://autox.team.net=
/mailman/options/fot/johnstydo@gmail.com</a><br>
<br>
<br>
</blockquote></div>
</div></blockquote><blockquote type=3D"cite"><div>&lt;image1.jpeg&gt;</div><=
/blockquote></body></html>=

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