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...was just talking the interchangeability of some parts...and some not.
What year GT6? some earlier models used a smaller axle and driveshaft
flange size you might have to swap as well
ptegler
On 2/28/2015 2:01 AM, Joao Simoes wrote:
> Thanks so much for the responses. Paul, I have read your website with
> interest. 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?
> 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
> mechanism 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
>
>> spit and GT6 tranny are not directly swapable.... input shafts are
>> different....
>> swapping shafts would require swapping laygears, which requires
>> swapping all gears.....
>> just go with the 3rail.
>> You CAN swap the shifter mechanisms...but not really worth the effort
>> or trying to collect all the right parts.
>> 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
>> 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 deal. FIS6 (Fuel Injected Spit6) is running around 136 hp
>> http://www.teglerizer.com/triumphstuff/spit6whiteyFI/spit6whiteyFI_fullengine1.html
>>
>> Has around 15K+ on it now, including 3 long road trips that included
>> track laps (sissy laps but still drove the tracks at speeds we
>> weren't suppose to)
>> 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...requires a full tear
>> down though to swap shafts.
>>
>>
>> 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
>> diameter...thinner walls carrying the ring gear)
>> Getting off the line in the GT6 with a 3.27 is sluggish. Hence the
>> 3.89 and o/d.
>> There is a 3.63 avail, but matching a speedo is a pain (revs per mile
>> errors)
>> Paul Tegler
>> www.teglerizer.com <http://www.teglerizer.com>
>> Hi folks.
>> I have a couple more questions on the GT6 I was hoping for some
>> wisdom here.
>> 1- I have the choice of using a '73 '3 rail' trans that came with the
>> GT6 chassis or a '78 'Marina' trans from my '78 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
>> equivalent in handling engine power (apparently not very) :)
>> 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
>> from the Spitfire 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 relaxed cruise? Not planning on drag racing
>> much, but also don't want a car that cant get out of its own way.
>>
>> ------------------------------------------------------------------------
>>
>>
>>
>> Donate: http://www.team.net/donate.html
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Paul Tegler ptegler@verizon.net www.teglerizer.com
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...was just talking the interchangeability of some parts...and some
not.<br>
What year GT6? some earlier models used a smaller axle and
driveshaft flange size you might have to swap as well<br>
<br>
ptegler<br>
<br>
<div class="moz-cite-prefix">On 2/28/2015 2:01 AM, Joao Simoes
wrote:<br>
</div>
<blockquote
cite="mid:BFF7B379-B63D-47B2-B02E-35CAE2480548@comcast.net"
type="cite">
<meta http-equiv="content-type" content="text/html;
charset=windows-1252">
<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 donor, right?</div>
<div>I have said Spitfire's trans too, did you say I could swap
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>
</div>
<div><br>
On Feb 27, 2015, at 2:52 PM, <a moz-do-not-send="true"
href="mailto:ptegler@verizon.net";>ptegler@verizon.net</a>
wrote:<br>
<br>
</div>
<blockquote type="cite">
<div>
<div style="FONT-FAMILY: Arial; COLOR: rgb(0,0,0); FONT-SIZE:
12px">
<div>spit and GT6 tranny are not directly swapable.... input
shafts are different.... <br>
swapping shafts would require swapping laygears, which
requires swapping all gears.....<br>
just go with the 3rail.<br>
You CAN swap the shifter mechanisms...but not really worth
the effort or trying to collect all the right 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 wiring.<br>
GT6 used a d-type. needs a relay and different wiring<br>
I just ever 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 moz-do-not-send="true"
href="http://www.teglerizer.com/triumphstuff/spit6whiteyFI/spit6whiteyFI_fullengine1.html";>http://www.teglerizer.com/triumphstuff/spit6whiteyFI/spit6whiteyFI_fullengine1.html</a><br>
<br>
Has around 15K+ on it now, including 3 long road trips
that included track laps (sissy laps but still drove the
tracks at speeds 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...requires a full tear down though to swap shafts.<br>
<br>
<br>
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.<br>
The 3.27 carrier is the weakest of all the diffs (smallest
carrier diameter...thinner walls carrying the ring gear)<br>
Getting off the line in the GT6 with a 3.27 is sluggish.
Hence the 3.89 and o/d.<br>
There is a 3.63 avail, but matching a speedo is a pain
(revs per mile errors) <br>
</div>
<div> </div>
<div> </div>
<span>Paul Tegler<br>
<a moz-do-not-send="true"
href="mailto:ptegler@verizon.net";>ptegler@verizon.net</a><br>
<a moz-do-not-send="true"
href="http://www.teglerizer.com";>www.teglerizer.com</a></span>
<div> </div>
<span style="font-size:12;font-family:arial;color:#000000;">On
02/27/15, <span><a moz-do-not-send="true"
href="mailto:jmbs46@comcast.net";>jmbs46@comcast.net</a></span>
wrote:</span>
<div> </div>
<div style="font-size:12;font-family:arial;color:#000000;">
<div style="font-family: Arial; 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 wisdom here.</div>
<div> </div>
<div>1- I have the choice of using a '73 '3 rail' trans
that came with the GT6 chassis or a '78 'Marina' trans
from my '78 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
equivalent in handling engine power (apparently not
very) :) </div>
<div> </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 from the Spitfire 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 relaxed cruise?
Not planning on drag racing much, but also don't want
a car that cant get out of its own way.</div>
</div>
<br>
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<br>
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<br>
<div class="moz-signature">-- <br>
Paul Tegler
<a class="moz-txt-link-abbreviated"
href="mailto:ptegler@verizon.net";>ptegler@verizon.net</a>
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