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<div> <font size="2">Different prefix letters in the ##, F = spit, K = GT-6.</font></div>
<div><font size="2">Among the differences besides tooth count, they also changed the tooth profile/angle, mainshaft, 1st motion etc.</font></div>
<div><font size="2">Cases are the same, at least up to the single rail box.</font></div>
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<div><font size="2">Glen</font><br clear="none">
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<div style="font-family:arial, helvetica;font-size:10pt;color:black;">-----Original Message-----<br clear="none">
From: Brian Schirano <bschirano@yahoo.com><br clear="none">
To: tr4abrad <tr4abrad@gmail.com>; Jason Sukey <jsukey@gmail.com><br clear="none">
Cc: FOT list <fot@autox.team.net>; fubog1 <fubog1@aol.com><br clear="none">
Sent: Thu, Dec 13, 2018 1:07 pm<br clear="none">
Subject: Re: [Fot] Spitfire Gearbox<br clear="none">
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<div>good to know on the trans cases. similarly, are the Spit and GT diff cases the same/interchangeable?</div>
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<div>26A GT6+, 28 TR6</div>
Brian Schirano<br clear="none">585-305-0349 Cell <br clear="none">BSchirano@yahoo.com</div>
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On Thursday, December 13, 2018, 12:42:32 PM GMT-5, Jason Sukey via Fot <fot@autox.team.net> wrote:
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<div dir="ltr">Brad,
<div> Externally, the GT6 and Spitfire boxes will look the same. I believe the case is interchangeable, it's just that you have to use ALL GT6 gears, or ALL Spitfire gears, no mix and match. GT6 has the close ratios.</div>
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<div>The GT6 input shaft has to be shortened to be used in a Spitfire, and the spline count is different.</div>
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<div>Jason</div>
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<div dir="ltr">On Thu, Dec 13, 2018 at 12:21 PM Brad Eells via Fot <<a rel="nofollow" shape="rect">fot@autox.team.net</a>> wrote:<br clear="none"></div>
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<div>Interesting...I received three gearboxes with my Spitfire.
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<div>In the car is an overdrive box. The other two are standard 4 speed Spitfire boxes; one labeled ‘wide’, the other ‘close’.</div>
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<div>Now you have me wondering what’s inside??</div>
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<div>How did they build different ratio boxes back in the day?<br clear="none"><br clear="none">
<div dir="ltr" id="yiv1487848504ydpc9769f50yiv8066901958gmail-m_-7536849128194002888AppleMailSignature">Brad Eells
<div>Sent from my iPhone</div>
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<div dir="ltr"><br clear="none">On Dec 13, 2018, at 8:30 AM, fubog1 via Fot <<a rel="nofollow" shape="rect">fot@autox.team.net</a>> wrote:<br clear="none"><br clear="none"></div>
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<div> <font size="2">No you can't just change a couple gears, the GT-6 uses completely different bits, and there are 2 different GT-6 boxes, most parts not interchangeable.</font></div>
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<div><font size="2">Glen</font><br clear="none">
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<div style="font-family:arial, helvetica;font-size:10pt;color:black;">-----Original Message-----<br clear="none">
From: Mathieu W. Huovinen via Fot <<a rel="nofollow" shape="rect">fot@autox.team.net</a>><br clear="none">
To: fot <<a rel="nofollow" shape="rect">fot@autox.team.net</a>><br clear="none">
Sent: Thu, Dec 13, 2018 10:38 am<br clear="none">
Subject: [Fot] Spitfire Gearbox<br clear="none">
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<div dir="ltr">Triumph Friends,</div>
<div dir="ltr">Now that we've all worked out the oil cooler/filter issue, who wants to take a crack at Spitfire gearbox ideas?? I currently have a 1296 engine bolted up to a 1500 single rail gearbox. This year after the Kastner Cup, Marty Sukey suggested finding at GT6 gearbox as they have a closer ratio gear set - I think I even remember reading that some of the LeMans Spitfires had GT6 gearboxes. I'm having a difficult time finding one so I was going to ask the folks that have been this a lot longer than me, is it possible to just put GT6 gears (specifically 2nd and 3rd) into a 1500 Spit gearbox? Has anyone tried? Are there better options? I have two extra 1500 single rail boxes to mess with. Any help would be appreciated. Thanks!</div>
<div dir="ltr">M. Huovinen<br clear="none">
Spit #80</div>
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