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Re: [Fot] TR4 transmission

To: Robert Lang <robertlangtr6@yahoo.com>
Subject: Re: [Fot] TR4 transmission
From: Bob Kramer via Fot <fot@autox.team.net>
Date: Tue, 18 Jun 2019 11:56:09 -0500
Cc: Fot <fot@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <B28D162A-4222-420F-85B9-EF971A90A3D3@rogers.com> <608220374.2397603.1560867891639@mail.yahoo.com>
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This email is a keeper. Nice job!.  I would add that for those of use that
have the spare later TR6 trannies to work with, the Dolomite gear sets are
a bargain priced solution.  I built one for the Ex-Lemons/Chump Beanito's
TR6  with a J-type overdrive that everyone loved at COTA.

Bob Kramer


On Tue, Jun 18, 2019 at 9:25 AM Robert Lang via Fot <fot@autox.team.net>
wrote:

> Hi,
>
> Those are THE questions, aren't they?
>
> Okay - Quaife has a straight-cut gear set that uses dog-rings, no
> synchros. Big $$$, 1600 UK pounds. Quaife just ran off a set and the one
> source that I know of in the UK can get them:
>
> Dennis Vessey - Quaife gear kits for Triumph TRs
> <http://www.vessey-classic-car-services.co.uk/triumph-gear-kit.htm#.XQjuu=
3t7n64>
>
> Dennis Vessey - Quaife gear kits for Triumph TRs
>
> metatags generator
>
> Vesseys Triumph TR Dog-Engagement Gear Kit - developed with Quaife
>
> <http://www.vessey-classic-car-services.co.uk/triumph-gear-kit.htm#.XQjuu=
3t7n64>
>
>
>
> Note, if you decide to go that route, please contact me, I've been in
> contact with the vendor and I'm trying to place an order for this gearset=
.
> Maybe we can save some shipping if we get a couple of sets.
>
> Note too that Bastuck has dog box gear sets including one using the J-typ=
e
> overdrive. When I contacted them last fall, they had none in stock and
> there was no production scheduled.
>
> Failing that option, there's the "Dolomite Close Ratio Gearset". This
> consists of a different input shaft and main 3rd gear along with the
> corresponding layshaft gears. You need to work the case to get these to
> pit, but they work great. These are helical gears. I've used this setup f=
or
> around 20 years, and it is really really good. Note: for the best total
> gear ratio option, get a later TR6 gearbox with the 16-tooth 1st laygear.
>
> Now, the drawback to the helical gears is apparently excessive thrust
> forces and they effect the layshaft thrust washers as well as the layshaf=
t
> needle bearings. If you make torque and you have any end float for the
> layshaft, you will spin the thrust washers and wreck the case. There are
> some workarounds to compensate for excessive end float.
>
> Note too that because of torque multiplication, the layshaft needle
> bearings on the 1st gear end of the layshaft get beat really, really hard=
.
> One fix is to install a double bearing on the layshaft (or buy a new one
> from Moss or another source) that is set up for the double bearing. I've
> had Quantum Mechanics install the double bearings, they seem to work bett=
er
> than the stock setup. But even with that setup, the layshaft still gets
> pounded and you need to keep an eye on it.
>
> As you may know, a lot of the racers are gravitating away from the stock
> and/or modified Triumph gearboxes mostly because the quality consistency =
of
> replacement parts is all over the place and you need to know what you're
> getting to spot the differences. That said, frequent oil changes and payi=
ng
> attention to the detritus in the oil, you can stay ahead of problems.
>
> If you're going to build a good gearbox, it will cost you as much or more
> than some of the conversions out there, hence a lot of folks switch to
> Toyota/T5/Rocket, etc.
>
> Hopefully you'll get other good advice on this list, but that's where I'm
> at right now (too). The Quaife gearset in the TR gearbox seems like the
> most "vintage" solution, but ALL of the options have pluses and minuses. =
In
> the spirit of full transparency, I'm also looking at Super T10
> transmissions which are the same as the old Muncie "Rock Crusher" and the=
re
> is a gearset available with a 2.43 1st, 1.63 2nd, 1.23 3rd and 1 4th whic=
h
> is pretty close to the Dolomite Sprint setup. And the gearbox is 70 pound=
s
> which is really close to the stock box. Also, if you want to dish out mor=
e
> $$$, Gear Vendors has an overdrive that bolts to the T-10, I haven't
> researched that enough to see if there are any particulars, but it is an
> option, albeit around $3k. But you get a BRAND NEW overdrive. Just sayin.=
 A
> drawback to the Super T10 is that you will need to make or source a bell
> housing, but that is do-able with a combo of a trashed TR gearbox, a
> competent machinist and more $$$. ;-)
>
> Regards,
> Bob Lang
> 339-927-4489
>
> On Tuesday, June 18, 2019, 9:02:31 AM EDT, Mike Deweerd via Fot <
> fot@autox.team.net> wrote:
>
>
> Amici
> What is the preferred gearbox for the TR4 non overdrive and where is the
> best source for getting such
> I=E2=80=99m looking at the pros and cons of the straight cut gear set vs =
the close
> ratio gear set (I=E2=80=99m assuming the close ratio is still helical gea=
rs)
> Please chime in with preferences and opinions
> Cheers
> Mike Deweerd #77
>
>
>
> Sent from my iPhone
> _______________________________________________
> 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://www.team.net/pipermail/fotUnsubscribe/Manage>:
> http://autox.team.net/mailman/options/fot/rkramer56@gmail.com
>
>
>

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<div dir=3D"ltr">This email is a keeper. Nice job!.=C2=A0 I would add that =
for those of use that have the spare later TR6 trannies to work with, the D=
olomite gear sets are a bargain priced solution.=C2=A0 I built one for the =
Ex-Lemons/Chump Beanito&#39;s TR6=C2=A0 with a J-type overdrive that everyo=
ne loved at COTA.=C2=A0<div><div><br clear=3D"all"><div><div dir=3D"ltr" cl=
ass=3D"gmail_signature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr"=
>Bob Kramer</div></div></div><br></div></div></div><br><div class=3D"gmail_=
quote"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, Jun 18, 2019 at 9:25 A=
M Robert Lang via Fot &lt;<a href=3D"mailto:fot@autox.team.net";>fot@autox.t=
eam.net</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"=
margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-lef=
t:1ex"><div><div class=3D"gmail-m_-1553580064239954844ydp435d1f9fyahoo-styl=
e-wrap" style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,Arial,san=
s-serif;font-size:13px"><div></div>
        <div>Hi,</div><div><br></div><div>Those are THE questions, aren&#39=
;t they?</div><div><br></div><div>Okay - Quaife has a straight-cut gear set=
 that uses dog-rings, no synchros. Big $$$, 1600 UK pounds. Quaife just ran=
 off a set and the one source that I know of in the UK can get them:</div><=
div><br></div><div><a href=3D"http://www.vessey-classic-car-services.co.uk/=
triumph-gear-kit.htm#.XQjuu3t7n64" rel=3D"nofollow" class=3D"gmail-m_-15535=
80064239954844enhancr_card_1791886968" target=3D"_blank">Dennis Vessey - Qu=
aife gear kits for Triumph TRs</a></div><div><br></div><div id=3D"gmail-m_-=
1553580064239954844ydpd666f494enhancr_card_1791886968" class=3D"gmail-m_-15=
53580064239954844ydpd666f494yahoo-link-enhancr-card gmail-m_-15535800642399=
54844ydpd666f494ymail-preserve-class gmail-m_-1553580064239954844ydpd666f49=
4ymail-preserve-style" style=3D"max-width:400px;font-family:&quot;Helvetica=
 Neue&quot;,&quot;Segoe UI&quot;,Helvetica,Arial,sans-serif"><a href=3D"htt=
p://www.vessey-classic-car-services.co.uk/triumph-gear-kit.htm#.XQjuu3t7n64=
" style=3D"text-decoration:none;color:rgb(0,0,0)" class=3D"gmail-m_-1553580=
064239954844ydpd666f494yahoo-enhancr-cardlink" rel=3D"nofollow" target=3D"_=
blank"><table class=3D"gmail-m_-1553580064239954844ydpd666f494card-wrapper =
gmail-m_-1553580064239954844ydpd666f494yahoo-ignore-table" style=3D"max-wid=
th:400px" cellspacing=3D"0" cellpadding=3D"0" border=3D"0"><tbody><tr><td w=
idth=3D"400"><table class=3D"gmail-m_-1553580064239954844ydpd666f494card gm=
ail-m_-1553580064239954844ydpd666f494yahoo-ignore-table" style=3D"max-width=
:400px;border-width:1px;border-style:solid;border-color:rgb(224,228,233);bo=
rder-radius:2px" width=3D"100%" cellspacing=3D"0" cellpadding=3D"0" border=
=3D"0"><tbody><tr><td class=3D"gmail-m_-1553580064239954844ydpd666f494card-=
primary-image-cell" style=3D"background-color:rgb(0,0,0);background-repeat:=
no-repeat;background-size:cover;border-radius:2px 2px 0px 0px;min-height:17=
5px" valign=3D"top" height=3D"175" bgcolor=3D"#000000"><table class=3D"gmai=
l-m_-1553580064239954844ydpd666f494card-overlay-container-table gmail-m_-15=
53580064239954844ydpd666f494yahoo-ignore-table" style=3D"width:100%" cellsp=
acing=3D"0" cellpadding=3D"0" border=3D"0"><tbody><tr><td class=3D"gmail-m_=
-1553580064239954844ydpd666f494card-overlay-cell" style=3D"background-color=
:transparent;border-radius:2px 2px 0px 0px;min-height:175px" valign=3D"top"=
 bgcolor=3D"transparent"><table class=3D"gmail-m_-1553580064239954844ydpd66=
6f494yahoo-ignore-table" style=3D"width:100%;min-height:175px" height=3D"17=
5" border=3D"0"><tbody><tr><td class=3D"gmail-m_-1553580064239954844ydpd666=
f494card-richInfo2" style=3D"text-align:left;padding:15px 0px 0px 15px;vert=
ical-align:top"></td><td class=3D"gmail-m_-1553580064239954844ydpd666f494ca=
rd-actions" style=3D"text-align:right;padding:15px 15px 0px 0px;vertical-al=
ign:top"><div class=3D"gmail-m_-1553580064239954844ydpd666f494card-share-co=
ntainer"></div></td></tr></tbody></table></td></tr></tbody></table></td></t=
r><tr><td><table class=3D"gmail-m_-1553580064239954844ydpd666f494card-info =
gmail-m_-1553580064239954844ydpd666f494yahoo-ignore-table" style=3D"backgro=
und-color:rgb(255,255,255);background-repeat:repeat;background-image:none;b=
ackground-size:auto;width:100%;max-width:400px;border-radius:0px 0px 2px 2p=
x;border-top:1px solid rgb(224,228,233)" cellspacing=3D"0" cellpadding=3D"0=
" border=3D"0" align=3D"center"><tbody><tr><td style=3D"background-color:rg=
b(255,255,255);padding:16px 0px 16px 12px;vertical-align:top;border-radius:=
0px 0px 0px 2px"></td><td style=3D"vertical-align:middle;padding:12px 24px =
16px 12px;width:99%;font-family:&quot;Helvetica Neue&quot;,&quot;Segoe UI&q=
uot;,Helvetica,Arial,sans-serif;border-radius:0px 0px 2px"><h2 class=3D"gma=
il-m_-1553580064239954844ydpd666f494card-title" style=3D"font-size:14px;lin=
e-height:19px;margin:0px 0px 6px;font-family:&quot;Helvetica Neue&quot;,&qu=
ot;Segoe UI&quot;,Helvetica,Arial,sans-serif;color:rgb(38,40,42)">Dennis Ve=
ssey - Quaife gear kits for Triumph TRs</h2><p class=3D"gmail-m_-1553580064=
239954844ydpd666f494card-richinfo-primary" style=3D"font-size:12px;line-hei=
ght:16px;margin:0px 0px 4px;color:rgb(151,155,167)">metatags generator</p><=
p class=3D"gmail-m_-1553580064239954844ydpd666f494card-description" style=
=3D"font-size:12px;line-height:16px;margin:0px;color:rgb(151,155,167)">Vess=
eys Triumph TR Dog-Engagement Gear Kit - developed with Quaife</p></td></tr=
></tbody></table></td></tr></tbody></table></td></tr></tbody></table></a></=
div><div><br></div><div><br></div><div><br></div><div>Note, if you decide t=
o go that route, please contact me, I&#39;ve been in contact with the vendo=
r and I&#39;m trying to place an order for this gearset. Maybe we can save =
some shipping if we get a couple of sets.</div><div><br></div><div>Note too=
 that Bastuck has dog box gear sets including one using the J-type overdriv=
e. When I contacted them last fall, they had none in stock and there was no=
 production scheduled.<br></div><div><br></div><div>Failing that option, th=
ere&#39;s the &quot;Dolomite Close Ratio Gearset&quot;. This consists of a =
different input shaft and main 3rd gear along with the corresponding laysha=
ft gears. You need to work the case to get these to pit, but they work grea=
t. These are helical gears. I&#39;ve used this setup for around 20 years, a=
nd it is really really good. Note: for the best total gear ratio option, ge=
t a later TR6 gearbox with the 16-tooth 1st laygear.<br></div><div><br></di=
v><div>Now, the drawback to the helical gears is apparently excessive thrus=
t forces and they effect the layshaft thrust washers as well as the layshaf=
t needle bearings. If you make torque and you have any end float for the la=
yshaft, you will spin the thrust washers and wreck the case. There are some=
 workarounds to compensate for excessive end float.</div><div><br></div><di=
v>Note too that because of torque multiplication, the layshaft needle beari=
ngs on the 1st gear end of the layshaft get beat really, really hard. One f=
ix is to install a double bearing on the layshaft (or buy a new one from Mo=
ss or another source) that is set up for the double bearing. I&#39;ve had Q=
uantum Mechanics install the double bearings, they seem to work better than=
 the stock setup. But even with that setup, the layshaft still gets pounded=
 and you need to keep an eye on it.</div><div><br></div><div>As you may kno=
w, a lot of the racers are gravitating away from the stock and/or modified =
Triumph gearboxes mostly because the quality consistency of replacement par=
ts is all over the place and you need to know what you&#39;re getting to sp=
ot the differences. That said, frequent oil changes and paying attention to=
 the detritus in the oil, you can stay ahead of problems.</div><div><br></d=
iv><div>If you&#39;re going to build a good gearbox, it will cost you as mu=
ch or more than some of the conversions out there, hence a lot of folks swi=
tch to Toyota/T5/Rocket, etc.</div><div><br></div><div>Hopefully you&#39;ll=
 get other good advice on this list, but that&#39;s where I&#39;m at right =
now (too). The Quaife gearset in the TR gearbox seems like the most &quot;v=
intage&quot; solution, but ALL of the options have pluses and minuses. In t=
he spirit of full transparency, I&#39;m also looking at Super T10 transmiss=
ions which are the same as the old Muncie &quot;Rock Crusher&quot; and ther=
e is a gearset available with a 2.43 1st, 1.63 2nd, 1.23 3rd and 1 4th whic=
h is pretty close to the Dolomite Sprint setup. And the gearbox is 70 pound=
s which is really close to the stock box. Also, if you want to dish out mor=
e $$$, Gear Vendors has an overdrive that bolts to the T-10, I haven&#39;t =
researched that enough to see if there are any particulars, but it is an op=
tion, albeit around $3k. But you get a BRAND NEW overdrive. Just sayin. A d=
rawback to the Super T10 is that you will need to make or source a bell hou=
sing, but that is do-able with a combo of a trashed TR gearbox, a competent=
 machinist and more $$$. ;-)<br></div><div><br></div><div>Regards,</div><di=
v>Bob Lang</div><div>339-927-4489<br></div><div><br></div>
       =20
        </div><div id=3D"gmail-m_-1553580064239954844ydpe091f580yahoo_quote=
d_1530796332" class=3D"gmail-m_-1553580064239954844ydpe091f580yahoo_quoted"=
>
            <div style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,=
Arial,sans-serif;font-size:13px;color:rgb(38,40,42)">
               =20
                <div>
                    On Tuesday, June 18, 2019, 9:02:31 AM EDT, Mike Deweerd=
 via Fot &lt;<a href=3D"mailto:fot@autox.team.net"; target=3D"_blank">fot@au=
tox.team.net</a>&gt; wrote:
                </div>
                <div><br></div>
                <div><br></div>
                <div><div dir=3D"ltr">Amici <br></div><div dir=3D"ltr">What=
 is the preferred gearbox for the TR4 non overdrive and where is the best s=
ource for getting such<br></div><div dir=3D"ltr">I=E2=80=99m looking at the=
 pros and cons of the straight cut gear set vs the close ratio gear set (I=
=E2=80=99m assuming the close ratio is still helical gears) <br></div><div =
dir=3D"ltr">Please chime in with preferences and opinions <br></div><div di=
r=3D"ltr">Cheers <br></div><div dir=3D"ltr">Mike Deweerd #77<br></div><div =
dir=3D"ltr"><br></div><div dir=3D"ltr"><br></div><div dir=3D"ltr"><br></div=
><div dir=3D"ltr">Sent from my iPhone<br></div><div dir=3D"ltr">___________=
____________________________________<br></div><div dir=3D"ltr"><a href=3D"m=
ailto:fot@autox.team.net" rel=3D"nofollow" target=3D"_blank">fot@autox.team=
.net</a><br></div><div dir=3D"ltr"><br></div><div dir=3D"ltr"><a href=3D"ht=
tp://www.fot-racing.com" rel=3D"nofollow" target=3D"_blank">http://www.fot-=
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</blockquote></div>

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