--===============7804578611560168845==
--000000000000de078c05ad3eca00
Content-Transfer-Encoding: quoted-printable
Yah I know about the "ignore it approach". Thats the reason I have this
differential in the car. The last one blew up and this one I got from Scott
B. Put it in without checking it out and now here we are again..
On Wed, Aug 19, 2020 at 12:51 PM Scott Janzen <sjanzen@me.com> wrote:
> well, there is the "ignore it" approach. If you have a spare diff or
> three, no big deal - you could drive 'til it craps out, though at that
> point a rebuild is probably out of the question!
> Back in the old days in Pittsburgh, when I got a $200 car every winter to
> drive through the ice, salt and potholes, there was no maintenance, as lo=
ng
> as it started. Of course, that=E2=80=99s because I was preserving my spo=
rts car in
> the garage.
>
> On Aug 19, 2020, at 1:47 PM, McKearn McKearn <mckearn2@gmail.com> wrote:
>
> Thanks for the replies. (Some of you :)
> I was pretty much planning to pull it apart again but was hoping
> someone would humor me into not worrying about it ..
> P.J.
>
>
>
> On Wed, Aug 19, 2020 at 10:52 AM Scott Janzen <sjanzen@me.com> wrote:
>
>> You can=E2=80=99t really =E2=80=9Cpull the cover=E2=80=9D on a Spit/GT6 =
diff, but it=E2=80=99s easy
>> enough to drop the whole diff and much easier to examine on the bench.
>>
>> On Aug 19, 2020, at 11:48 AM, vfracing--- via Fot <fot@autox.team.net>
>> wrote:
>>
>> Pat;
>> If it's a stock set up from the factory, my first suspicion would be one
>> of the differential carrier bearings. That is, if you are certain it is
>> from the differential. Wheel bearings can be checked by pitching the car
>> side to side (no traffic, wide open parking lot) to change the loading a=
nd
>> hence the level of whine.
>>
>> But Bob is right: check it out NOW. The cover and perhaps the carrier
>> should be pulled and a visual inspection made. Look for pitting on the
>> bearings and gear teeth, check the pattern (before pulling the carrier)
>> with Bluing Compound (or, lacking that, bright colored paint)
>>
>> Hopefully it's just a bearing,
>>
>> Phil Gott
>>
>>
>> -----Original Message-----
>> From: Robert Lang via Fot <fot@autox.team.net>
>> To: FOT list <fot@autox.team.net>; McKearn McKearn <mckearn2@gmail.com>
>> Sent: Wed, Aug 19, 2020 11:39 am
>> Subject: Re: [Fot] Dif. noise
>>
>> CHECK IT BEFORE YOU DESTROY IT.
>>
>> Whining is because the gears aren't meshing properly. This will result i=
n
>> premature wear if you're lucky. If you are not lucky, you'll overheat th=
e
>> diff and / or otherwise destroy it. Sometimes the noise can be from
>> something really dumb, like the ring gear bolts backing out and you find
>> out when one of the bolts wedge in the diff case with the resulting dama=
ge
>> to everything. Not that I've done that or anything.
>>
>> And keep in mind that scrap steel prices are "fairly low".
>>
>> Regards,
>> Bob Lang
>>
>>
>> On Wednesday, August 19, 2020, 10:59:08 AM EDT, McKearn McKearn via Fot =
<
>> fot@autox.team.net> wrote:
>>
>>
>> Hi All.
>> I am hearing some whining going on behind me when driving my 68 GT6..
>> It is only at neutral acceleration/deceleration and above 40 MPH ( Ther=
e
>> is no whine when accelerating or decelerating). Stock 3.27:1 rear end.
>> Any thoughts =
?
>> Thanks Pat
>> _______________________________________________
>> 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/robertlangtr6@yahoo.com
>>
>>
>> _______________________________________________
>> 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/vfracing@aol.com
>>
>>
>> _______________________________________________
>> 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/sjanzen@me.com
>>
>>
>>
>>
>
--000000000000de078c05ad3eca00
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr"><div>Yah I know about the "ignore it approach".=
=C2=A0 Thats the reason I have this differential in the car. The last one b=
lew up and this one I got from Scott B. =C2=A0 Put it in without checking i=
t out and now here we are again..</div><div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
=C2=A0</div></div><br><div class=3D"gmail_quote"><div class=3D"gmail_attr" =
dir=3D"ltr">On Wed, Aug 19, 2020 at 12:51 PM Scott Janzen <<a href=3D"ma=
ilto:sjanzen@me.com">sjanzen@me.com</a>> wrote:<br></div><blockquote cla=
ss=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;padding-left:1ex;borde=
r-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid=
"><div style=3D"overflow-wrap: break-word;">well, there is the "ignore=
it" approach.=C2=A0 If you have a spare diff or three, no big deal - =
you could drive 'til it craps out, though at that point a rebuild is pr=
obably out of the question! =C2=A0<div>Back in the old days in Pittsburgh, =
when I got a $200 car every winter to drive through the ice, salt and potho=
les, there was no maintenance, as long as it started.=C2=A0 Of course, that=
=E2=80=99s because I was preserving my sports car in the garage.<br><div><b=
r><div>On Aug 19, 2020, at 1:47 PM, McKearn McKearn <<a href=3D"mailto:m=
ckearn2@gmail.com" target=3D"_blank">mckearn2@gmail.com</a>> wrote:</div=
><br><div><div dir=3D"ltr"><div>Thanks for the replies. (Some of you :)</di=
v><div>=C2=A0=C2=A0 I was pretty much planning to pull it apart again but w=
as hoping someone would humor me into not worrying about it ..</div><div>=
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 P.J.</di=
v><div><br></div><div>=C2=A0=C2=A0</div></div><br><div class=3D"gmail_quote=
"><div class=3D"gmail_attr" dir=3D"ltr">On Wed, Aug 19, 2020 at 10:52 AM Sc=
ott Janzen <<a href=3D"mailto:sjanzen@me.com"; target=3D"_blank">sjanzen@=
me.com</a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"m=
argin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204)=
;border-left-width:1px;border-left-style:solid"><div>You can=E2=80=99t real=
ly =E2=80=9Cpull the cover=E2=80=9D on a Spit/GT6 diff, but it=E2=80=99s ea=
sy enough to drop the whole diff and much easier to examine on the bench. =
=C2=A0<br><div><br><div>On Aug 19, 2020, at 11:48 AM, vfracing--- via Fot &=
lt;<a href=3D"mailto:fot@autox.team.net"; target=3D"_blank">fot@autox.team.n=
et</a>> wrote:</div><br><div><div style=3D"font-family:arial,helvetica,s=
ans-serif;font-size:10pt"><div style=3D"font-family:arial,helvetica,sans-se=
rif;font-size:10pt">Pat;</div><div style=3D"font-family:arial,helvetica,san=
s-serif;font-size:10pt">If it's a stock set up from the factory, my fir=
st suspicion would be one of the differential carrier bearings.=C2=A0 That =
is, if you are certain it is from the differential. Wheel bearings can be c=
hecked by pitching the car side to side (no traffic, wide open parking lot)=
to change the loading and hence the level of whine.</div><div style=3D"fon=
t-family:arial,helvetica,sans-serif;font-size:10pt"><br></div><div style=3D=
"font-family:arial,helvetica,sans-serif;font-size:10pt">But Bob is right: c=
heck it out NOW. The cover and perhaps the carrier should be pulled and a v=
isual inspection made.=C2=A0 Look for pitting on the bearings and gear teet=
h, check the pattern (before pulling the carrier) with Bluing Compound (or,=
lacking that, bright colored paint)<br></div><div style=3D"font-family:ari=
al,helvetica,sans-serif;font-size:10pt"><br></div><div style=3D"font-family=
:arial,helvetica,sans-serif;font-size:10pt">Hopefully it's just a beari=
ng,</div><div style=3D"font-family:arial,helvetica,sans-serif;font-size:10p=
t"><br></div><div style=3D"font-family:arial,helvetica,sans-serif;font-size=
:10pt">Phil Gott</div><div style=3D"font-family:arial,helvetica,sans-serif;=
font-size:10pt"><br><br>-----Original Message-----<br>From: Robert Lang via=
Fot <<a href=3D"mailto:fot@autox.team.net"; target=3D"_blank">fot@autox.=
team.net</a>><br>To: FOT list <<a href=3D"mailto:fot@autox.team.net"; =
target=3D"_blank">fot@autox.team.net</a>>; McKearn McKearn <<a href=
=3D"mailto:mckearn2@gmail.com"; target=3D"_blank">mckearn2@gmail.com</a>>=
<br>Sent: Wed, Aug 19, 2020 11:39 am<br>Subject: Re: [Fot] Dif. noise<br><b=
r></div><div id=3D"gmail-m_-6730721812524005443gmail-m_1305250608599246961y=
iv9913073415"><div><div style=3D"font-family:Helvetica Neue,Helvetica,Arial=
,sans-serif;font-size:13px"><div></div>
<div dir=3D"ltr">CHECK IT BEFORE YOU DESTROY IT. <br clear=3D"none"=
></div><div dir=3D"ltr"><br clear=3D"none"></div><div dir=3D"ltr">Whining i=
s because the gears aren't meshing properly. This will result in premat=
ure wear if you're lucky. If you are not lucky, you'll overheat the=
diff and / or otherwise destroy it. Sometimes the noise can be from someth=
ing really dumb, like the ring gear bolts backing out and you find out when=
one of the bolts wedge in the diff case with the resulting damage to every=
thing. Not that I've done that or anything.<br clear=3D"none"></div><di=
v dir=3D"ltr"><br clear=3D"none"></div><div dir=3D"ltr">And keep in mind th=
at scrap steel prices are "fairly low".</div><div dir=3D"ltr"><br=
clear=3D"none"></div><div dir=3D"ltr">Regards,</div><div dir=3D"ltr">Bob L=
ang</div><div dir=3D"ltr"><br clear=3D"none"></div><div><br clear=3D"none">=
</div>
=20
</div><div id=3D"gmail-m_-6730721812524005443gmail-m_13052506085992=
46961yiv9913073415ydp256e4462yahoo_quoted_7989025310">
<div style=3D"color:rgb(38,40,42);font-family:"Helvetica N=
eue",Helvetica,Arial,sans-serif;font-size:13px">
=20
<div id=3D"gmail-m_-6730721812524005443gmail-m_130525060859=
9246961yiv9913073415yqt68010"><div>
On Wednesday, August 19, 2020, 10:59:08 AM EDT, McKearn=
McKearn via Fot <<a href=3D"mailto:fot@autox.team.net"; target=3D"_blank=
">fot@autox.team.net</a>> wrote:
</div>
<div><br clear=3D"none"></div>
<div><br clear=3D"none"></div>
<div><div id=3D"gmail-m_-6730721812524005443gmail-m_1305250=
608599246961yiv9913073415ydp256e4462yiv0720270631"><div dir=3D"ltr"><div>Hi=
All.</div><div>=C2=A0 I am hearing some whining going on behind me when dr=
iving my 68 GT6..</div><div>=C2=A0It is only at neutral acceleration/decele=
ration and above 40 MPH ( There is no whine when accelerating or decelerati=
ng). =C2=A0 Stock 3.27:1 rear end.</div><div>=C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0 Any thoughts ?</div><div>=C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Thanks Pat</div></div>
</div>_______________________________________________<br clear=3D"none"><a =
href=3D"mailto:fot@autox.team.net"; target=3D"_blank" rel=3D"noopener norefe=
rrer" shape=3D"rect">fot@autox.team.net</a><br clear=3D"none"><br clear=3D"=
none"><a href=3D"http://www.fot-racing.com/"; target=3D"_blank" rel=3D"noope=
ner noreferrer" shape=3D"rect">http://www.fot-racing.com</a><br clear=3D"no=
ne"><br clear=3D"none">Donate: <a href=3D"http://www.team.net/donate.html"; =
target=3D"_blank" rel=3D"noopener noreferrer" shape=3D"rect">http://www.tea=
m.net/donate.html</a><br clear=3D"none">Archive: <a href=3D"http://autox.te=
am.net/archive" target=3D"_blank" rel=3D"noopener noreferrer" shape=3D"rect=
">http://autox.team.net/archive </a><a href=3D"http://www.team.net/pipermai=
l/fot" target=3D"_blank" rel=3D"noopener noreferrer" shape=3D"rect">http://=
www.team.net/pipermail/fot</a><br clear=3D"none">Unsubscribe/Manage: <a hre=
f=3D"http://autox.team.net/mailman/options/fot/robertlangtr6@yahoo.com"; tar=
get=3D"_blank" rel=3D"noopener noreferrer" shape=3D"rect">http://autox.team=
.net/mailman/options/fot/robertlangtr6@yahoo.com</a><br clear=3D"none"><br =
clear=3D"none"><br clear=3D"none"></div></div>
</div>
</div></div></div><div id=3D"gmail-m_-6730721812524005443gmail-m_13=
05250608599246961yqt88997">_______________________________________________<=
br clear=3D"none"><a href=3D"mailto:fot@autox.team.net"; target=3D"_blank" r=
el=3D"noopener noreferrer" shape=3D"rect">fot@autox.team.net</a><br clear=
=3D"none"><br clear=3D"none"><a href=3D"http://www.fot-racing.com/"; target=
=3D"_blank" rel=3D"noopener noreferrer" shape=3D"rect">http://www.fot-racin=
g.com</a><br clear=3D"none"><br clear=3D"none">Donate: <a href=3D"http://ww=
w.team.net/donate.html" target=3D"_blank" rel=3D"noopener noreferrer" shape=
=3D"rect">http://www.team.net/donate.html</a><br clear=3D"none">Archive: <a=
href=3D"http://autox.team.net/archive"; target=3D"_blank" rel=3D"noopener n=
oreferrer" shape=3D"rect">http://autox.team.net/archive </a><a href=3D"http=
://www.team.net/pipermail/fot" target=3D"_blank" rel=3D"noopener noreferrer=
" shape=3D"rect">http://www.team.net/pipermail/fot</a><br clear=3D"none">Un=
subscribe/Manage: <a href=3D"http://autox.team.net/mailman/options/fot/vfra=
cing@aol.com" target=3D"_blank" rel=3D"noopener noreferrer" shape=3D"rect">=
http://autox.team.net/mailman/options/fot/vfracing@aol.com</a><br clear=3D"=
none"><br clear=3D"none"><br clear=3D"none"></div></div>___________________=
____________________________<br><a href=3D"mailto:fot@autox.team.net"; targe=
t=3D"_blank">fot@autox.team.net</a><br><br><a href=3D"http://www.fot-racing=
.com/" target=3D"_blank">http://www.fot-racing.com</a><br><br>Donate: <a hr=
ef=3D"http://www.team.net/donate.html"; target=3D"_blank">http://www.team.ne=
t/donate.html</a><br>Archive: <a href=3D"http://autox.team.net/archive"; tar=
get=3D"_blank">http://autox.team.net/archive</a> <a href=3D"http://www.team=
.net/pipermail/fot" target=3D"_blank">http://www.team.net/pipermail/fot</a>=
<br>Unsubscribe/Manage: <a href=3D"http://autox.team.net/mailman/options/fo=
t/sjanzen@me.com" target=3D"_blank">http://autox.team.net/mailman/options/f=
ot/sjanzen@me.com</a><br><br><br></div></div><br></div></blockquote></div>
</div></div><br></div></div></blockquote></div>
--000000000000de078c05ad3eca00--
--===============7804578611560168845==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
--===============7804578611560168845==--
|