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Thanks so much for the responses. Paul, I have read your website with intere=
st. Thanks for the response!
My GT6 donor chassis has the 3rail trans and no OD. Which I assume is the 3:=
27, so you are saying the stock GT6 was sluggish off the line?=20
If so, I can the use the 3.89 diff that came with my 78 Spitfire body donor,=
right?
I have said Spitfire's trans too, did you say I could swap its shift mechani=
sm onto the GT6 's? Why would i do that? Is it better?
Take care,
Joao
> On Feb 27, 2015, at 2:52 PM, ptegler@verizon.net wrote:
>=20
> spit and GT6 tranny are not directly swapable.... input shafts are differe=
nt....=20
> swapping shafts would require swapping laygears, which requires swapping a=
ll gears.....
> just go with the 3rail.
> You CAN swap the shifter mechanisms...but not really worth the effort or t=
rying to collect all the right parts.
> Late Spit 1500 single rails came with a j-type o/d...doesn't 'bang' as har=
d shifting, uses lower currents to switch the solenoid, simpler wiring.
> GT6 used a d-type. needs a relay and different wiring
> I just ever so slightly slip my clutch on d-type o/d switch out ...no big d=
eal. FIS6 (Fuel Injected Spit6) is running around 136 hp
> http://www.teglerizer.com/triumphstuff/spit6whiteyFI/spit6whiteyFI_fulleng=
ine1.html
>=20
> Has around 15K+ on it now, including 3 long road trips that included trac=
k laps (sissy laps but still drove the tracks at speeds we weren't suppose t=
o)=20
> Now you CAN get j-type o/d shafts for the three rail....so you could insta=
ll a j-type on your three rail GT6 tranny...requires a full tear down though=
to swap shafts.
>=20
>=20
> The 3.27 diff and a non-o/d final drive ratio is nearly identical to the 3=
.89 rear and o/d switch on.
> The 3.27 carrier is the weakest of all the diffs (smallest carrier diamete=
r...thinner walls carrying the ring gear)
> Getting off the line in the GT6 with a 3.27 is sluggish. Hence the 3.89 an=
d o/d.
> There is a 3.63 avail, but matching a speedo is a pain (revs per mile erro=
rs)=20
> =20
> =20
> Paul Tegler
> ptegler@verizon.net
> www.teglerizer.com
> =20
> On 02/27/15, jmbs46@comcast.net wrote:
> =20
> Hi folks.
> =20
> I have a couple more questions on the GT6 I was hoping for some wisdom her=
e.
> =20
> 1- I have the choice of using a '73 '3 rail' trans that came with the GT6 c=
hassis or a '78 'Marina' trans from my '78 Spitfire donor car. Any recommend=
ations? I am planning on 'massaging' the 2.0 liter inline 6 to about 130 HP o=
r so. I understand both trannies are equivalent in handling engine power (ap=
parently not very) :)
> =20
> 2- I also understand the diffs are pretty much the same as far as power ha=
ndling. I plan on getting and overdrive, so is the 3.89 ratio from the Spitf=
ire is what the factory used in the US. But, apparently the German GT6s with=
OD used the US non OD ratio, the 3:27, maybe that is better for a more rela=
xed cruise? Not planning on drag racing much, but also don't want a car that=
cant get out of its own way.
>=20
>=20
>=20
> ** triumphs@autox.team.net **
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
> Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/ptegler=
@verizon.net
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div>Thanks so much for the responses. Paul=
, I have read your website with interest. Thanks for the response!</div><div=
>My GT6 donor chassis has the 3rail trans and no OD. Which I assume is the 3=
:27, so you are saying the stock GT6 was sluggish off the line? </div><=
div>If so, I can the use the 3.89 diff that came with my 78 Spitfire body do=
nor, right?</div><div>I have said Spitfire's trans too, did you say I could s=
wap its shift mechanism onto the GT6 's? Why would i do that? Is it better?<=
/div><div><br></div><div><br><br>Take care,<div><br></div><div>Joao</div></d=
iv><div><br>On Feb 27, 2015, at 2:52 PM, <a href=3D"mailto:ptegler@verizon.n=
et">ptegler@verizon.net</a> wrote:<br><br></div><blockquote type=3D"cite"><d=
iv><div style=3D"FONT-FAMILY: Arial; COLOR: rgb(0,0,0); FONT-SIZE: 12px"><di=
v>spit and GT6 tranny are not directly swapable.... input shafts are differe=
nt.... <br>swapping shafts would require swapping laygears, which requires s=
wapping all gears.....<br>just go with the 3rail.<br>You CAN swap the shifte=
r mechanisms...but not really worth the effort or trying to collect all the r=
ight parts.<br>Late Spit 1500 single rails came with a j-type o/d...doesn't '=
bang' as hard shifting, uses lower currents to switch the solenoid, simpler w=
iring.<br>GT6 used a d-type. needs a relay and different wiring<br>I just ev=
er so slightly slip my clutch on d-type o/d switch out ...no big deal. =
FIS6 (Fuel Injected Spit6) is running around 136 hp<br><a href=3D"http://ww=
w.teglerizer.com/triumphstuff/spit6whiteyFI/spit6whiteyFI_fullengine1.html">=
http://www.teglerizer.com/triumphstuff/spit6whiteyFI/spit6whiteyFI_fullengin=
e1.html</a><br><br>Has around 15K+ on it now, including 3 long road tr=
ips that included track laps (sissy laps but still drove the tracks at speed=
s we weren't suppose to) <br>Now you CAN get j-type o/d shafts for the three=
rail....so you could install a j-type on your three rail GT6 tranny...requi=
res a full tear down though to swap shafts.<br><br><br>The 3.27 diff and a n=
on-o/d final drive ratio is nearly identical to the 3.89 rear and o/d switch=
on.<br>The 3.27 carrier is the weakest of all the diffs (smallest carrier d=
iameter...thinner walls carrying the ring gear)<br>Getting off the line in t=
he GT6 with a 3.27 is sluggish. Hence the 3.89 and o/d.<br>There is a 3.63 a=
vail, but matching a speedo is a pain (revs per mile errors) <br></div><div>=
</div><div> </div><span>Paul Tegler<br><a href=3D"mailto:ptegler@=
verizon.net">ptegler@verizon.net</a><br><a href=3D"http://www.teglerizer.com=
">www.teglerizer.com</a></span><div> </div><div style=3D"border-top:1px=
solid #bcbcbc;margin:5px 0px;"></div><span style=3D"font-size:12;font-famil=
y:arial;color:#000000;">On 02/27/15, <span><a href=3D"mailto:jmbs46@comcast.=
net">jmbs46@comcast.net</a></span> wrote:</span><div> </div><div style=3D=
"font-size:12;font-family:arial;color:#000000;"><div style=3D"font-family: A=
rial; font-size: 12pt; color: #000000"><div>Hi folks.<br></div><div> </=
div><div>I have a couple more questions on the GT6 I was hoping for some wis=
dom here.</div><div> </div><div>1- I have the choice of using a '73 '3 r=
ail' trans that came with the GT6 chassis or a '78 'Marina' trans from my '7=
8 Spitfire donor car. Any recommendations? I am planning on 'massaging' the 2=
.0 liter inline 6 to about 130 HP or so. I understand both trannies are equi=
valent in handling engine power (apparently not very) :) </div><div>&nb=
sp;</div><div>2- I also understand the diffs are pretty much the same as far=
as power handling. I plan on getting and overdrive, so is the 3.89 ratio fr=
om the Spitfire is what the factory used in the US. But, apparently the Germ=
an GT6s with OD used the US non OD ratio, the 3:27, maybe that is better for=
a more relaxed cruise? Not planning on drag racing much, but also don't wan=
t a car that cant get out of its own way.</div></div><br><hr size=3D"1"><br>=
<br>** <a class=3D"parsedEmail" href=3D"mailto:triumphs@autox.team.net"; targ=
et=3D"_blank">triumphs@autox.team.net</a> **<br><br>Donate: <a class=3D"pars=
edLink" href=3D"http://www.team.net/donate.html"; target=3D"_blank">http://ww=
w.team.net/donate.html</a><br>Archive: <a class=3D"parsedLink" href=3D"http:=
//www.team.net/archive" target=3D"_blank">http://www.team.net/archive</a><br=
>Forums: <a class=3D"parsedLink" href=3D"http://www.team.net/forums"; target=3D=
"_blank">http://www.team.net/forums</a><br>Unsubscribe/Manage: <a class=3D"p=
arsedLink" href=3D"http://autox.team.net/mailman/options/triumphs/ptegler@ve=
rizon.net" target=3D"_blank">http://autox.team.net/mailman/options/triumphs/=
ptegler@verizon.net</a><br></div></div>
</div></blockquote></body></html>=
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