Subject: Re: [Tigers] axle spline

From: Jim B via Tigers <[email-masked]>
Date: Sun, 17 Nov 2019 12:11:09 -0800

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The Tiger rear axles are 19 spline which are out dated. There are diffs. =
that will accept this like the Auburn clutch type LSD but, last I =
checked they had some QC problems with fit. Changing to 28-30 spline =
axles and pinion will give you a better choice for an LSD. Or, just =
change the R&P back to 2.88 if the LSD is not a real concern. (I have a =
set) I will say that the Torsen type LSD in my Tiger really hooks up =
great. Better than I expected actually. However, the cost is something =
to consider. I probably put close to a grand in the rear end with new =
gears, pinion, axles, bearings etc, shop time and the LSD diff. Best of =
luck.
Jim

> On Nov 17, 2019, at 5:37 AM, Dave Munroe via Tigers =
<[email-masked]> wrote:
>=20
> So Clyde;
>=20
> Are you saying my stock rear end ( '65 Mark 1A -  B382000450) which =
came to me with a 3:07 set of gears could be easily changed back to a =
set of stock 2:88 gears ( or even lower!) ?
>=20
> Do you know what the lowest possible gear set might be?
>=20
> Love to drop my cruising speed rpm to something more comfortable.
>=20
> Dave
>=20
> Sent from my BlackBerry =E2=80=94 the most secure mobile device =E2=80=94=
 via the Bell Network
> Sent: November 17, 2019 9:25 AM
> Reply to: [email-masked] =
> Subject: [Tigers] axle spline
>=20
> You don't need to worry about spline count on axle unless you rpl the =
tiger axles with something else, I changed to Ford axles. Thats another =
story..The other spline to note is the pinion if you change the ring and =
pinion. The early Dana 44 pinions have a course spline, all new =
replacement gears have a finer spline, more surface area and are =
stronger, it will require a companion flange to connect the drive shaft. =
 These are readily available
> _______________________________________________
>=20
> [email-masked]
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/tigers =
http://autox.team.net/archive
>=20
> Unsubscribe: =
http://autox.team.net/mailman/options/tigers/[email-masked]
>=20
>=20

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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">The =
Tiger rear axles are 19 spline which are out dated. There are diffs. =
that will accept this like the Auburn clutch type LSD but, last I =
checked they had some QC problems with fit. Changing to 28-30 spline =
axles and pinion will give you a better choice for an LSD. Or, just =
change the R&amp;P back to 2.88 if the LSD is not a real concern. (I =
have a set) I will say that the Torsen type LSD in my Tiger really hooks =
up great. Better than I expected actually. However, the cost is =
something to consider. I probably put close to a grand in the rear end =
with new gears, pinion, axles, bearings etc, shop time and the LSD diff. =
Best of luck.<div class=3D"">Jim<br class=3D""><div><br =
class=3D""><blockquote type=3D"cite" class=3D""><div class=3D"">On Nov =
17, 2019, at 5:37 AM, Dave Munroe via Tigers &lt;<a =
href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div =
id=3D"response_container_BBPPID" dir=3D"auto" contenteditable=3D"false" =
style=3D"font-family: Helvetica; font-size: initial; font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
background-color: rgb(255, 255, 255); text-decoration: none; outline: =
none;" class=3D""><div name=3D"BB10" id=3D"BB10_response_div_BBPPID" =
dir=3D"auto" style=3D"width: 1087px;" class=3D"">So Clyde;</div><div =
name=3D"BB10" id=3D"BB10_response_div_BBPPID" dir=3D"auto" style=3D"width:=
 1087px;" class=3D""><br class=3D""></div><div name=3D"BB10" =
id=3D"BB10_response_div_BBPPID" dir=3D"auto" style=3D"width: 1087px;" =
class=3D"">Are you saying my stock rear end ( '65 Mark 1A -&nbsp; =
B382000450) which came to me with a 3:07 set of gears could be easily =
changed back to a set of stock 2:88 gears ( or even lower!) ?</div><div =
name=3D"BB10" id=3D"BB10_response_div_BBPPID" dir=3D"auto" style=3D"width:=
 1087px;" class=3D""><br class=3D""></div><div name=3D"BB10" =
id=3D"BB10_response_div_BBPPID" dir=3D"auto" style=3D"width: 1087px;" =
class=3D"">Do you know what the lowest possible gear set might =
be?</div><div name=3D"BB10" id=3D"BB10_response_div_BBPPID" dir=3D"auto" =
style=3D"width: 1087px;" class=3D""><br class=3D""></div><div =
name=3D"BB10" id=3D"BB10_response_div_BBPPID" dir=3D"auto" style=3D"width:=
 1087px;" class=3D"">Love to drop my cruising speed rpm to something =
more comfortable.</div><div name=3D"BB10" id=3D"BB10_response_div_BBPPID" =
dir=3D"auto" style=3D"width: 1087px;" class=3D""><br class=3D""></div><div=
 name=3D"BB10" id=3D"BB10_response_div_BBPPID" dir=3D"auto" =
style=3D"width: 1087px;" class=3D"">Dave</div><div name=3D"BB10" =
id=3D"response_div_spacer_BBPPID" dir=3D"auto" style=3D"width: 1087px;" =
class=3D""><br style=3D"" class=3D""></div><div =
id=3D"blackberry_signature_BBPPID" name=3D"BB10" dir=3D"auto" =
class=3D""><div id=3D"_signaturePlaceholder_BBPPID" name=3D"BB10" =
dir=3D"auto" class=3D"">Sent from my BlackBerry =E2=80=94 the most =
secure mobile device =E2=80=94 via the Bell =
Network</div></div></div><div id=3D"_original_msg_header_BBPPID" =
dir=3D"auto" style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant-caps: normal; =
font-weight: normal; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: =
rgb(255, 255, 255); text-decoration: none;" class=3D""><table =
width=3D"100%" contenteditable=3D"false" style=3D"background-color: =
white; border-spacing: 0px; display: table; outline: none;" =
class=3D""><tbody class=3D""><tr class=3D""><td colspan=3D"2" =
style=3D"font-size: initial; text-align: initial; background-color: =
rgb(255, 255, 255);" class=3D""><div style=3D"border-style: solid none =
none; border-top-width: 1pt; border-top-color: rgb(181, 196, 223); =
padding: 3pt 0in 0in; font-family: Tahoma, &quot;BB Alpha Sans&quot;, =
&quot;Slate Pro&quot;; font-size: 10pt;" class=3D""><div id=3D"from" =
class=3D""><b class=3D"">From:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a></div><div id=3D"sent" class=3D""><b =
class=3D"">Sent:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>November 17, 2019 9:25 =
AM</div><div id=3D"to" class=3D""><b class=3D"">To:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a></div><div id=3D"reply_to" =
class=3D""><b class=3D"">Reply to:</b><span =
class=3D"Apple-converted-space">&nbsp;</span><a =
href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a></div><div id=3D"subject" =
class=3D""><b class=3D"">Subject:</b><span =
class=3D"Apple-converted-space">&nbsp;</span>[Tigers] axle =
spline</div></div></td></tr></tbody></table><br class=3D""></div><div =
name=3D"BB10" dir=3D"auto" contenteditable=3D"false" style=3D"caret-color:=
 rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
normal; font-variant-caps: normal; font-weight: normal; letter-spacing: =
normal; text-align: start; text-indent: 0px; text-transform: none; =
white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
background-color: rgb(255, 255, 255); text-decoration: none; =
line-height: initial; outline: none;" class=3D""><div style=3D"font-style:=
 normal; font-variant-caps: normal; font-weight: normal; font-stretch: =
normal; font-size: 10pt; line-height: normal; font-family: arial;" =
class=3D"">You don't need to worry about spline count on axle unless you =
rpl the tiger axles with something else, I changed to Ford axles. Thats =
another story..The other spline to note is the pinion if you change the =
ring and pinion. The early Dana 44 pinions have a course spline, all new =
replacement gears have a finer spline, more surface area and are =
stronger, it will require a companion flange to connect the drive =
shaft.&nbsp;&nbsp;These are readily available</div></div><span =
style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: =
12px; font-style: normal; font-variant-caps: normal; font-weight: =
normal; letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); =
text-decoration: none; float: none; display: inline !important;" =
class=3D"">_______________________________________________</span><br =
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12px; font-style: normal; font-variant-caps: normal; font-weight: =
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From: Jim B via Tigers <[email-masked]>
Date: Sun, 17 Nov 2019 12:11:09 -0800

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 via the Bell Network

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[email-masked]

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From: Gary via Tigers <[email-masked]>
Date: Mon, 18 Nov 2019 14:21:14 +0000 (UTC)

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 Dave,
Stock Tigers came with a Salisbury rearend. Salisbury is the British subsid=
iary of Dana/Spicer Corp. These British units came in Sunbeam Tigers, Jag X=
KEs, AC Cobras and TVR Griffiths, and used 7/16" ring gear bolts and a 10 s=
pline (coarse) pinion gear. The factory offered other LAT ratios of 3.07, 3=
.31, 3.54 and 3.73 for those units.
The American version of the Dana 44 rearend uses 3/8" ring gear bolts and a=
 26 spline (fine) pinion gear. Most Tiger owners in the USA, who have upgra=
de to a positraction unit (limited-slip) and changed their rearend ratio to=
 something other than the factory 2.88, have installed the American version=
 with the 3/8" ring gear bolts and switch over to the fine spline input fla=
nge.
If=C2=A0you changed back to 2.88s, you would have to find an original Salis=
bury posi unit (rare) or drill out an American unit for the 7/16" ting gear=
 bolts and get a 10 spline input flange.
In the 1980s Dana made Dane 44 2.72 rearend gears for Jeep Wagoneers, Chero=
kees, Grand Cherokees and C3 Corvettes. The 2.72 gears have 3/6" ring gear =
bolts and a fine spline pinion, and will bolt into any Tiger rearend that h=
as the American differential.
Since I sold you the posi unit in your car (2009), this is what I recommend=
. The 2.72 gears will bolt right up to your posi unit and you can use your =
existing fine spline pinion gear flange.=C2=A0Changing from 3.07s to 2.72s =
will give you a ~14% drop in rpms in 4th gear, ~300 rpms.=C2=A0 However, yo=
ur 1st gear will be taller, too, so do NOT run 2.72 gears with a close rati=
o transmission or you'll burn up your clutch in no time. 2.88 gears are bad=
 enough with a close ratio in 1st gear, so 2.72s will be worse.
My other recommendation is to=C2=A0convert to a wide ratio transmission and=
=C2=A0install a 2.90 1st gear (from Dan William's Toploaders). This gives y=
ou a fabulous hole shot, while not impacting your 4th gear highway cruising=
. I have helped a bunch of Tiger owners convert to this setup and they all =
love it. It is the best of both worlds, short of a 5 speed, but at a fracti=
on of the cost.
Gary
    On Sunday, November 17, 2019, 06:37:42 AM MST, Dave Munroe via Tigers <=
[email-masked]> wrote: =20
   So Clyde;
Are you saying my stock rear end ( '65 Mark 1A -=C2=A0 B382000450) which ca=
me to me with a 3:07 set of gears could be easily changed back to a set of =
stock 2:88 gears ( or even lower!) ?
Do you know what the lowest possible gear set might be?
Love to drop my cruising speed rpm to something more comfortable.
Dave =20
  Sent from my BlackBerry =E2=80=94 the most secure mobile device =E2=80=94=
 via the Bell Network =20
|   From: [email-masked]: November 17, 2019 9:25 AMTo: tigers@au=
tox.team.netReply to: [email-masked]: [Tigers] axle spl=
ine |

=20
 You don't need to worry about spline count on axle unless you rpl the tige=
r axles with something else, I changed to Ford axles. Thats another story..=
The other spline to note is the pinion if you change the ring and pinion. T=
he early Dana 44 pinions have a course spline, all new replacement gears ha=
ve a finer spline, more surface area and are stronger, it will require a co=
mpanion flange to connect the drive shaft.=C2=A0=C2=A0These are readily ava=
ilable_______________________________________________

[email-masked]

Unsubscribe: http://autox.team.net/mailman/options/tigers/maliburevue@yahoo=
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 =20
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<html><head></head><body><div class=3D"ydp25a9b64eyahoo-style-wrap" style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px=
;"><div></div>
        <div dir=3D"ltr" data-setdir=3D"false">Dave,</div><div dir=3D"ltr" =
data-setdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"false">Stoc=
k Tigers came with a Salisbury rearend. Salisbury is the British subsidiary=
 of Dana/Spicer Corp. These British units came in Sunbeam Tigers, Jag XKEs,=
 AC Cobras and TVR Griffiths, and used 7/16" ring gear bolts and a 10 splin=
e (coarse) pinion gear. The factory offered other LAT ratios of 3.07, 3.31,=
 3.54 and 3.73 for those units.</div><div dir=3D"ltr" data-setdir=3D"false"=
><br></div><div dir=3D"ltr" data-setdir=3D"false">The American version of t=
he Dana 44 rearend uses 3/8" ring gear bolts and a 26 spline (fine) pinion =
gear. Most Tiger owners in the USA, who have upgrade to a positraction unit=
 (limited-slip) and changed their rearend ratio to something other than the=
 factory 2.88, have installed the American version with the 3/8" ring gear =
bolts and switch over to the fine spline input flange.</div><div dir=3D"ltr=
" data-setdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"false">If=
<i>&nbsp;y</i>ou changed back to 2.88s, you would have to find an original =
Salisbury posi unit (rare) or drill out an American unit for the 7/16" ting=
 gear bolts and get a 10 spline input flange.</div><div dir=3D"ltr" data-se=
tdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"false">In the 1980=
s Dana made Dane 44 2.72 rearend gears for Jeep Wagoneers, Cherokees, Grand=
 Cherokees and C3 Corvettes. The 2.72 gears have 3/6" ring gear bolts and a=
 fine spline pinion, and will bolt into any Tiger rearend that has the Amer=
ican differential.</div><div dir=3D"ltr" data-setdir=3D"false"><br></div><d=
iv dir=3D"ltr" data-setdir=3D"false">Since I sold you the posi unit in your=
 car (2009), this is what I recommend. <span><span style=3D"color: rgb(0, 0=
, 0); font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size:=
 16px;">The 2.72 gears will bolt right up to your posi unit and you can use=
 your existing fine spline pinion gear flange.&nbsp;</span></span>Changing =
from 3.07s to 2.72s will give you a ~14% drop in rpms in 4th gear, ~300 rpm=
s.&nbsp; However, your 1st gear will be taller, too, so do NOT run 2.72 gea=
rs with a close ratio transmission or you'll burn up your clutch in no time=
. 2.88 gears are bad enough with a close ratio in 1st gear, so 2.72s will b=
e worse.</div><div dir=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D"=
ltr" data-setdir=3D"false">My other recommendation is to<span><span style=
=3D"color: rgb(0, 0, 0); font-family: Helvetica Neue, Helvetica, Arial, san=
s-serif; font-size: 16px;">&nbsp;convert to a wide ratio transmission and&n=
bsp;</span></span>install a 2.90 1st gear (from Dan William's Toploaders). =
This gives you a fabulous hole shot, while not impacting your 4th gear high=
way cruising. I have helped a bunch of Tiger owners convert to this setup a=
nd they all love it. It is the best of both worlds, short of a 5 speed, but=
 at a fraction of the cost.</div><div dir=3D"ltr" data-setdir=3D"false"><br=
></div><div dir=3D"ltr" data-setdir=3D"false">Gary</div><div><br></div>
       =20
        </div><div id=3D"ydpe274bfd2yahoo_quoted_4261673138" class=3D"ydpe2=
74bfd2yahoo_quoted">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div>
                    On Sunday, November 17, 2019, 06:37:42 AM MST, Dave Mun=
roe via Tigers &lt;[email-masked]&gt; wrote:
                </div>
                <div><br></div>
                <div><div id=3D"ydpe274bfd2yiv4118088068"><div><div id=3D"y=
dpe274bfd2yiv4118088068response_container_BBPPID" style=3D"outline:none;"> =
<div id=3D"ydpe274bfd2yiv4118088068BB10_response_div_BBPPID" style=3D"width=
:100%;"> So Clyde;</div><div id=3D"ydpe274bfd2yiv4118088068BB10_response_di=
v_BBPPID" style=3D"width:100%;"><br clear=3D"none"></div><div id=3D"ydpe274=
bfd2yiv4118088068BB10_response_div_BBPPID" style=3D"width:100%;">Are you sa=
ying my stock rear end ( '65 Mark 1A -&nbsp; B382000450) which came to me w=
ith a 3:07 set of gears could be easily changed back to a set of stock 2:88=
 gears ( or even lower!) ?</div><div id=3D"ydpe274bfd2yiv4118088068BB10_res=
ponse_div_BBPPID" style=3D"width:100%;"><br clear=3D"none"></div><div id=3D=
"ydpe274bfd2yiv4118088068BB10_response_div_BBPPID" style=3D"width:100%;">Do=
 you know what the lowest possible gear set might be?</div><div id=3D"ydpe2=
74bfd2yiv4118088068BB10_response_div_BBPPID" style=3D"width:100%;"><br clea=
r=3D"none"></div><div id=3D"ydpe274bfd2yiv4118088068BB10_response_div_BBPPI=
D" style=3D"width:100%;">Love to drop my cruising speed rpm to something mo=
re comfortable.</div><div id=3D"ydpe274bfd2yiv4118088068BB10_response_div_B=
BPPID" style=3D"width:100%;"><br clear=3D"none"></div><div id=3D"ydpe274bfd=
2yiv4118088068BB10_response_div_BBPPID" style=3D"width:100%;">Dave</div>   =
                                                                           =
                                                        <div id=3D"ydpe274b=
fd2yiv4118088068response_div_spacer_BBPPID" style=3D"width:100%;"> <br clea=
r=3D"none" style=3D"display:initial;"></div>                            <di=
v id=3D"ydpe274bfd2yiv4118088068blackberry_signature_BBPPID">     <div id=
=3D"ydpe274bfd2yiv4118088068_signaturePlaceholder_BBPPID">Sent from my Blac=
kBerry =E2=80=94 the most secure mobile device =E2=80=94 via the Bell Netwo=
rk</div> </div></div><div class=3D"ydpe274bfd2yiv4118088068yqt5342999702" i=
d=3D"ydpe274bfd2yiv4118088068yqt89490"><div id=3D"ydpe274bfd2yiv4118088068_=
original_msg_header_BBPPID">                                               =
                                                                           =
                   <table width=3D"100%" style=3D"background-color: white; =
display: table; outline: none;"><tbody><tr><td colspan=3D"2" rowspan=3D"1" =
style=3D"background-color:rgb(255, 255, 255);">                           <=
div style=3D"border-right:none;border-bottom:none;border-left:none;border-t=
op:1pt solid rgb(181, 196, 223);padding:3pt 0in 0in;font-family:Tahoma,;"> =
 <div id=3D"ydpe274bfd2yiv4118088068from"><b>From:</b> [email-masked]=
t</div><div id=3D"ydpe274bfd2yiv4118088068sent"><b>Sent:</b> November 17, 2=
019 9:25 AM</div><div id=3D"ydpe274bfd2yiv4118088068to"><b>To:</b> tigers@a=
utox.team.net</div><div id=3D"ydpe274bfd2yiv4118088068reply_to"><b>Reply to=
:</b> [email-masked]</div><div id=3D"ydpe274bfd2yiv4118088068s=
ubject"><b>Subject:</b> [Tigers] axle spline</div></div></td></tr></tbody><=
/table> <br clear=3D"none"> </div><div style=3D"outline:none;">
<div style=3D"color: black; font-style: normal; font-weight: normal; font-s=
tretch: normal; font-size: 10pt; line-height: normal; font-family: arial;">=
You don't need to worry about spline count on axle unless you rpl the tiger=
 axles with something else, I changed to Ford axles. Thats another story..T=
he other spline to note is the pinion if you change the ring and pinion. Th=
e early Dana 44 pinions have a course spline, all new replacement gears hav=
e a finer spline, more surface area and are stronger, it will require a com=
panion flange to connect the drive shaft.&nbsp;&nbsp;These are readily avai=
lable</div>
</div></div></div></div><div class=3D"ydpe274bfd2yqt5342999702" id=3D"ydpe2=
74bfd2yqt66512">_______________________________________________<br clear=3D=
"none"><br clear=3D"none"><a shape=3D"rect" href=3D"mailto:[email-masked]=
m.net" rel=3D"nofollow" target=3D"_blank">[email-masked]</a><br clea=
r=3D"none"><br clear=3D"none">Donate: <a shape=3D"rect" href=3D"http://www.=
team.net/donate.html" rel=3D"nofollow" target=3D"_blank">http://www.team.ne=
t/donate.html</a><br clear=3D"none">Archive: <a shape=3D"rect" href=3D"http=
://www.team.net/pipermail/tigers " rel=3D"nofollow" target=3D"_blank">http:=
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archive</a><br clear=3D"none"><br clear=3D"none">Unsubscribe: <a shape=3D"r=
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ons/tigers/[email-masked]</a><br clear=3D"none"><br clear=3D"none"><=
br clear=3D"none"></div></div>
            </div>
        </div></body></html>
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[email-masked]

--===============1359378236502274297==--

---

From: Mark Rense via Tigers <[email-masked]>
Date: Mon, 18 Nov 2019 12:28:13 -0500

--===============6020876103472709046==

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Thanks Gary for the clarifications. I bought a LSD from you a while back
and it worked out very well.

I found a 2.72:1 gear set out of =E2=80=9881 Corvette and modded it to fit =
the
Salisbury carrier. I also installed a WIDE RATIO Toploader. This
combination works perfectly with the full-roller stroked 289 that makes
over 370 HP.  The launches are quite spectacular yet I=E2=80=99m turning 28=
00 RPM
at 70.

My other Tiger has a 3.31:1 gear set and a standard close ratio Toploader.
The engine is a very free-spinning 289 tha doesnt mind turning 3500 at 70,
that=E2=80=99s still half of redline on this build. This car is a real trea=
t on
tight twisty roads. The Hurst shifter is a great option.

To each his own.

Bugz

On Mon, Nov 18, 2019 at 9:22 AM Gary via Tigers <[email-masked]>
wrote:

> Dave,
>
> Stock Tigers came with a Salisbury rearend. Salisbury is the British
> subsidiary of Dana/Spicer Corp. These British units came in Sunbeam Tiger=
s,
> Jag XKEs, AC Cobras and TVR Griffiths, and used 7/16" ring gear bolts and=
 a
> 10 spline (coarse) pinion gear. The factory offered other LAT ratios of
> 3.07, 3.31, 3.54 and 3.73 for those units.
>
> The American version of the Dana 44 rearend uses 3/8" ring gear bolts and
> a 26 spline (fine) pinion gear. Most Tiger owners in the USA, who have
> upgrade to a positraction unit (limited-slip) and changed their rearend
> ratio to something other than the factory 2.88, have installed the Americ=
an
> version with the 3/8" ring gear bolts and switch over to the fine spline
> input flange.
>
> If* y*ou changed back to 2.88s, you would have to find an original
> Salisbury posi unit (rare) or drill out an American unit for the 7/16" ti=
ng
> gear bolts and get a 10 spline input flange.
>
> In the 1980s Dana made Dane 44 2.72 rearend gears for Jeep Wagoneers,
> Cherokees, Grand Cherokees and C3 Corvettes. The 2.72 gears have 3/6" rin=
g
> gear bolts and a fine spline pinion, and will bolt into any Tiger rearend
> that has the American differential.
>
> Since I sold you the posi unit in your car (2009), this is what I
> recommend. The 2.72 gears will bolt right up to your posi unit and you
> can use your existing fine spline pinion gear flange. Changing from 3.07s
> to 2.72s will give you a ~14% drop in rpms in 4th gear, ~300 rpms.
> However, your 1st gear will be taller, too, so do NOT run 2.72 gears with=
 a
> close ratio transmission or you'll burn up your clutch in no time. 2.88
> gears are bad enough with a close ratio in 1st gear, so 2.72s will be wor=
se.
>
> My other recommendation is to convert to a wide ratio transmission and in=
stall
> a 2.90 1st gear (from Dan William's Toploaders). This gives you a fabulou=
s
> hole shot, while not impacting your 4th gear highway cruising. I have
> helped a bunch of Tiger owners convert to this setup and they all love it=
.
> It is the best of both worlds, short of a 5 speed, but at a fraction of t=
he
> cost.

--0000000000005b72f50597a24616
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<div><div dir=3D"auto">Thanks Gary for the clarifications. I bought a LSD f=
rom you a while back and it worked out very well.=C2=A0</div><div dir=3D"au=
to"><br></div><div dir=3D"auto">I found a 2.72:1 gear set out of =E2=80=988=
1 Corvette and modded it to fit the Salisbury carrier. I also installed a W=
IDE RATIO Toploader. This combination works perfectly with the full-roller =
stroked 289 that makes over 370 HP.=C2=A0 The launches are quite spectacula=
r yet I=E2=80=99m turning 2800 RPM at 70.=C2=A0</div><div dir=3D"auto"><br>=
</div><div dir=3D"auto">My other Tiger has a 3.31:1 gear set and a standard=
 close ratio Toploader. The engine is a very free-spinning 289 tha doesnt m=
ind turning 3500 at 70, that=E2=80=99s still half of redline on this build.=
 This car is a real treat on tight twisty roads. The Hurst shifter is a gre=
at option.=C2=A0</div><div dir=3D"auto"><br></div><div dir=3D"auto">To each=
 his own.=C2=A0</div><div dir=3D"auto"><br></div><div dir=3D"auto">Bugz</di=
v></div><div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail=
_attr">On Mon, Nov 18, 2019 at 9:22 AM Gary via Tigers &lt;<a href=3D"mailt=
o:[email-masked]">[email-masked]</a>&gt; wrote:<br></div><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left=
-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(2=
04,204,204)"><div><div style=3D"font-family:&quot;Helvetica Neue&quot;,Helv=
etica,Arial,sans-serif;font-size:16px"><div style=3D"font-family:&quot;Helv=
etica Neue&quot;,Helvetica,Arial,sans-serif"></div>
        <div dir=3D"ltr" style=3D"font-family:&quot;Helvetica Neue&quot;,He=
lvetica,Arial,sans-serif">Dave,</div><div dir=3D"ltr" style=3D"font-family:=
&quot;Helvetica Neue&quot;,Helvetica,Arial,sans-serif"><br></div><div dir=
=3D"ltr" style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,Arial,sa=
ns-serif">Stock Tigers came with a Salisbury rearend. Salisbury is the Brit=
ish subsidiary of Dana/Spicer Corp. These British units came in Sunbeam Tig=
ers, Jag XKEs, AC Cobras and TVR Griffiths, and used 7/16&quot; ring gear b=
olts and a 10 spline (coarse) pinion gear. The factory offered other LAT ra=
tios of 3.07, 3.31, 3.54 and 3.73 for those units.</div><div dir=3D"ltr" st=
yle=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,Arial,sans-serif"><=
br></div><div dir=3D"ltr" style=3D"font-family:&quot;Helvetica Neue&quot;,H=
elvetica,Arial,sans-serif">The American version of the Dana 44 rearend uses=
 3/8&quot; ring gear bolts and a 26 spline (fine) pinion gear. Most Tiger o=
wners in the USA, who have upgrade to a positraction unit (limited-slip) an=
d changed their rearend ratio to something other than the factory 2.88, hav=
e installed the American version with the 3/8&quot; ring gear bolts and swi=
tch over to the fine spline input flange.</div><div dir=3D"ltr" style=3D"fo=
nt-family:&quot;Helvetica Neue&quot;,Helvetica,Arial,sans-serif"><br></div>=
<div dir=3D"ltr" style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,=
Arial,sans-serif">If<i style=3D"font-family:&quot;Helvetica Neue&quot;,Helv=
etica,Arial,sans-serif">=C2=A0y</i>ou changed back to 2.88s, you would have=
 to find an original Salisbury posi unit (rare) or drill out an American un=
it for the 7/16&quot; ting gear bolts and get a 10 spline input flange.</di=
v><div dir=3D"ltr" style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetic=
a,Arial,sans-serif"><br></div><div dir=3D"ltr" style=3D"font-family:&quot;H=
elvetica Neue&quot;,Helvetica,Arial,sans-serif">In the 1980s Dana made Dane=
 44 2.72 rearend gears for Jeep Wagoneers, Cherokees, Grand Cherokees and C=
3 Corvettes. The 2.72 gears have 3/6&quot; ring gear bolts and a fine splin=
e pinion, and will bolt into any Tiger rearend that has the American differ=
ential.</div><div dir=3D"ltr" style=3D"font-family:&quot;Helvetica Neue&quo=
t;,Helvetica,Arial,sans-serif"><br></div><div dir=3D"ltr" style=3D"font-fam=
ily:&quot;Helvetica Neue&quot;,Helvetica,Arial,sans-serif">Since I sold you=
 the posi unit in your car (2009), this is what I recommend. <span style=3D=
"font-family:&quot;Helvetica Neue&quot;,Helvetica,Arial,sans-serif"><span s=
tyle=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,Arial,sans-serif;f=
ont-size:16px;color:rgb(0,0,0)">The 2.72 gears will bolt right up to your p=
osi unit and you can use your existing fine spline pinion gear flange.=C2=
=A0</span></span>Changing from 3.07s to 2.72s will give you a ~14% drop in =
rpms in 4th gear, ~300 rpms.=C2=A0 However, your 1st gear will be taller, t=
oo, so do NOT run 2.72 gears with a close ratio transmission or you&#39;ll =
burn up your clutch in no time. 2.88 gears are bad enough with a close rati=
o in 1st gear, so 2.72s will be worse.</div><div dir=3D"ltr" style=3D"font-=
family:&quot;Helvetica Neue&quot;,Helvetica,Arial,sans-serif"><br></div><di=
v dir=3D"ltr" style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,Ari=
al,sans-serif">My other recommendation is to<span style=3D"font-family:&quo=
t;Helvetica Neue&quot;,Helvetica,Arial,sans-serif"><span style=3D"font-fami=
ly:&quot;Helvetica Neue&quot;,Helvetica,Arial,sans-serif;font-size:16px;col=
or:rgb(0,0,0)">=C2=A0convert to a wide ratio transmission and=C2=A0</span><=
/span>install a 2.90 1st gear (from Dan William&#39;s Toploaders). This giv=
es you a fabulous hole shot, while not impacting your 4th gear highway crui=
sing. I have helped a bunch of Tiger owners convert to this setup and they =
all love it. It is the best of both worlds, short of a 5 speed, but at a fr=
action of the cost.</div><div dir=3D"ltr" style=3D"font-family:&quot;Helvet=
ica Neue&quot;,Helvetica,Arial,sans-serif"><br></div><div dir=3D"ltr" style=
=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,Arial,sans-serif">Gary=
</div><div style=3D"font-family:&quot;Helvetica Neue&quot;,Helvetica,Arial,=
sans-serif"><br></div></div></div></blockquote></div></div>

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[email-masked]

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