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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 <=
tigers@autox.team.net> 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: tigers@autox.team.netSent: November 17, 2019 9:25 AMTo: tigers@au=
tox.team.netReply to: clydemclaughlin@verizon.netSubject: [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_______________________________________________
tigers@autox.team.net
Archive: http://www.team.net/pipermail/tigers http://autox.team.net/archive
Unsubscribe: http://autox.team.net/mailman/options/tigers/maliburevue@yahoo=
.com
=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> 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. </span></span>Changing =
from 3.07s to 2.72s will give you a ~14% drop in rpms in 4th gear, ~300 rpm=
s. 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;"> 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 <tigers@autox.team.net> 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 - 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> tigers@autox.team.ne=
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> clydemclaughlin@verizon.net</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. 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:tigers@autox.tea=
m.net" rel=3D"nofollow" target=3D"_blank">tigers@autox.team.net</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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