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Amici...
Back when Mike Belfer was prepping my race car, I understood him to say tha=
t the TR transmission liked one oil weight and the overdrive liked another.=
=C2=A0 Therefore the oil he used was a compromise towards satisfying both. =
=C2=A0
This was back in the 1980s, and I cannot recall the brand (maybe KENDAL, bu=
t I'm not sure).
Anyone else remember anything like that? =C2=A0
Kas?
Bill Dentinger
-----Original Message-----
From: yellow04 via Fot <fot@autox.team.net>
To: FOT List <fot@autox.team.net>
Sent: Wed, Jan 1, 2020 7:03 am
Subject: Re: [Fot] A-Type Over Drive Question Again
In the gearbox that Tim is referring to, I used a brand new re-lined=20
cone clutch in an OD unit that came from Bill Dentinger with Old Blue.=20
No clue what the history of the unit was, but the cone clutch stuck to=20
the brake ring in earnest for a several sessions. Operating pressure is=20
in the low 400's. I did replace the oil with Redline MT-90 during my=20
efforts to get the OD to release, and I am assuming the MT-90 helped. As=20
Tim said, there were several laps around the paddock that first weekend=20
with the car with the gearbox cover off and a mallet in hand, but it=20
wasn't until the second weekend out with the car that the cone clutch=20
released by itself.
It is worth noting I didn't like the shifting feel with the Redline and=20
went back to Brad Penn gear oil. That OD unit has been in the car for 20=20
race weekends now, and other than the need to bed in the cone clutch, it=20
has performed flawlessly. Those A-types have proven pretty robust for=20
me.
Henry
On 2020-01-01 08:54, Jay Galbreath via Fot wrote:
> MT-90 oil cured my rebuilt OD non release condition. It instantly
> fixed the issue. I continue to use it years later without a problem.
> Jay Galbreath
> WPTA
>=20
> On Wed, Jan 1, 2020 at 8:23 AM Glenn Franco via Fot
> <fot@autox.team.net> wrote:
>=20
>> On Wed, Jan 1, 2020 at 7:56 AM Tim Hutchisen
>> <hakhutch@roadrunner.com> wrote:
>>=20
>>> Hi Glenn,
>>>=20
>>> Having built numerous OD units, I have run into a couple of
>>> instances where the cone clutch needed to "bed in". If you
>>> installed a new cone clutch, the angle of the linings may not be
>>> an exact match to the brake ring and annulus and it will stick
>>> when applied. A good swift rap (or two or three) on the exterior
>>> of the brake ring with a dead blow hammer will release the clutch.
>>> Had this happen with Henry Frye's race car at Summit Point a few
>>> years ago. Driving around the paddock with the gearbox cover off
>>> and exercising the OD, releasing it with the dead blow hammer. It
>>> eventually worked it's way in with time.
>>>=20
~~~
>>> FROM:=C2=A0 Glenn Franco via Fot
>>> SUBJECT: [Fot] A-Type Over Drive Question Again
>>>=20
>>>=20
>>> Now trans in neutral the output shaft of the overdrive appears to
>>> be locked up and will not spin.
>>>=20
>>> Any ideas??
>>>=20
>>> Thanks in advance
>>>=20
>>> Glenn
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
l.com
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<div style=3D"color:black;font: 10pt arial;">
<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black">
<div id=3D"yiv1337018145">
<div>
<div style=3D"color:black;font:10pt arial;">
<div>Amici...</div>
<div><br clear=3D"none">
</div>
<div>Back when Mike Belfer was prepping my race car, I understood him to sa=
y that the TR transmission liked one oil weight and the overdrive liked ano=
ther. Therefore the oil he used was a compromise towards satisfying b=
oth. </div>
<div><br>
</div>
<div>This was back in the 1980s, and I cannot recall the brand (maybe KENDA=
L, but I'm not sure).</div>
<div><br>
</div>
<div>Anyone else remember anything like that? </div>
<div><br>
</div>
<div>Kas?</div>
<div><br>
</div>
<div>Bill Dentinger</div>
<div><br>
</div>
<br clear=3D"none">
<br clear=3D"none">
<div class=3D"yiv1337018145yqt0836249214" id=3D"yiv1337018145yqt25331">
<div style=3D"font-family:arial, helvetica;font-size:10pt;color:black;">---=
--Original Message-----<br clear=3D"none">
From: yellow04 via Fot <fot@autox.team.net><br clear=3D"none">
To: FOT List <fot@autox.team.net><br clear=3D"none">
Sent: Wed, Jan 1, 2020 7:03 am<br clear=3D"none">
Subject: Re: [Fot] A-Type Over Drive Question Again<br clear=3D"none">
<br clear=3D"none">
<div dir=3D"ltr">In the gearbox that Tim is referring to, I used a brand ne=
w re-lined <br clear=3D"none">cone clutch in an OD unit that came from Bill=
Dentinger with Old Blue. <br clear=3D"none">No clue what the history of th=
e unit was, but the cone clutch stuck to <br clear=3D"none">the brake ring =
in earnest for a several sessions. Operating pressure is <br clear=3D"none"=
>in the low 400's. I did replace the oil with Redline MT-90 during my <br c=
lear=3D"none">efforts to get the OD to release, and I am assuming the MT-90=
helped. As <br clear=3D"none">Tim said, there were several laps around the=
paddock that first weekend <br clear=3D"none">with the car with the gearbo=
x cover off and a mallet in hand, but it <br clear=3D"none">wasn't until th=
e second weekend out with the car that the cone clutch <br clear=3D"none">r=
eleased by itself.<br clear=3D"none"><br clear=3D"none">It is worth noting =
I didn't like the shifting feel with the Redline and <br clear=3D"none">wen=
t back to Brad Penn gear oil. That OD unit has been in the car for 20 <br c=
lear=3D"none">race weekends now, and other than the need to bed in the cone=
clutch, it <br clear=3D"none">has performed flawlessly. Those A-types have=
proven pretty robust for <br clear=3D"none">me.<br clear=3D"none"><br clea=
r=3D"none">Henry<br clear=3D"none"><br clear=3D"none">On 2020-01-01 08:54, =
Jay Galbreath via Fot wrote:<br clear=3D"none">> MT-90 oil cured my rebu=
ilt OD non release condition. It instantly<br clear=3D"none">> fixed the=
issue. I continue to use it years later without a problem.<br clear=3D"non=
e">> Jay Galbreath<br clear=3D"none">> WPTA<br clear=3D"none">> <b=
r clear=3D"none">> On Wed, Jan 1, 2020 at 8:23 AM Glenn Franco via Fot<b=
r clear=3D"none">> <<a href=3D"mailto:fot@autox.team.net"; target=3D"_=
blank" rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:fot@autox.team.net=
">fot@autox.team.net</a>> wrote:<br clear=3D"none">> <br clear=3D"non=
e">>> On Wed, Jan 1, 2020 at 7:56 AM Tim Hutchisen<br clear=3D"none">=
>> <<a href=3D"mailto:hakhutch@roadrunner.com"; target=3D"_blank" r=
el=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:hakhutch@roadrunner.com";>h=
akhutch@roadrunner.com</a>> wrote:<br clear=3D"none">>> <br clear=
=3D"none">>>> Hi Glenn,<br clear=3D"none">>>> <br clear=
=3D"none">>>> Having built numerous OD units, I have run into a co=
uple of<br clear=3D"none">>>> instances where the cone clutch need=
ed to "bed in". If you<br clear=3D"none">>>> installed a new cone =
clutch, the angle of the linings may not be<br clear=3D"none">>>> =
an exact match to the brake ring and annulus and it will stick<br clear=3D"=
none">>>> when applied. A good swift rap (or two or three) on the =
exterior<br clear=3D"none">>>> of the brake ring with a dead blow =
hammer will release the clutch.<br clear=3D"none">>>> Had this hap=
pen with Henry Frye's race car at Summit Point a few<br clear=3D"none">>=
>> years ago. Driving around the paddock with the gearbox cover off<b=
r clear=3D"none">>>> and exercising the OD, releasing it with the =
dead blow hammer. It<br clear=3D"none">>>> eventually worked it's =
way in with time.<br clear=3D"none">>>> <br clear=3D"none"><br cle=
ar=3D"none">~~~<br clear=3D"none"><br clear=3D"none">>>> FROM:&nbs=
p; Glenn Franco via Fot<br clear=3D"none">>>> SUBJECT: [Fot] A-Typ=
e Over Drive Question Again
<div class=3D"yiv1337018145yqt3945369420" id=3D"yiv1337018145yqtfd38024"><b=
r clear=3D"none">>>> <br clear=3D"none"><br clear=3D"none">>>=
;> <br clear=3D"none">>>> Now trans in neutral the output shaft=
of the overdrive appears to<br clear=3D"none">>>> be locked up an=
d will not spin.<br clear=3D"none">>>> <br clear=3D"none">>>=
> Any ideas??<br clear=3D"none">>>> <br clear=3D"none">>>=
> Thanks in advance<br clear=3D"none">>>> <br clear=3D"none">&g=
t;>> Glenn<br clear=3D"none">________________________________________=
_______<br clear=3D"none"><a href=3D"mailto:fot@autox.team.net"; target=3D"_=
blank" rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:fot@autox.team.net=
">fot@autox.team.net</a><br clear=3D"none"><br clear=3D"none"><a href=3D"ht=
tp://www.fot-racing.com" target=3D"_blank" rel=3D"nofollow" shape=3D"rect">=
http://www.fot-racing.com</a><br clear=3D"none"><br clear=3D"none">Donate: =
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