[Fot] TR-4 / TR-6 tranny layshaft bearing mod?

[Chuck Gee]

Did it on a lathe with normal tooling.  No problem.

Chuck

> On Nov 16, 2013, at 5:39 PM, "Stutzmans" <stutzmans at comcast.net> wrote:
>
> At my request, my machine shop guy tried to find somebody who could modify
it to take extra bearings.  Everybody said it was too hard.
> Bruce
> ----- Original Message ----- From: "Joe Alexander" <n197tr4 at cs.com>
> To: "Tony Drews" <tony at tonydrews.com>
> Cc: <fot at autox.team.net>
> Sent: Saturday, November 16, 2013 9:54 AM
> Subject: Re: [Fot] TR-4 / TR-6 tranny layshaft bearing mod?
>
>
>> Ed W.  (FOG1) can be very helpful.
>>
>> Sent from my iPad
>>
>>> On Nov 16, 2013, at 8:46 AM, Tony Drews <tony at tonydrews.com> wrote:
>>>
>>> Has anyone modified the TR-4 / TR-6 tranny layshaft assembly to accept
>> larger, higher capacity bearings?  Turns out the root cause of my
transmission
>> failure was the failure of the front needle bearing in the layshaft
assembly.
>> Before I do the parts search / purchases, I thought I'd check to see if
>> there's a longevity improvement that can be made there.
>>>
>>> It's been a while since the box was apart, and let me tell you - with a
>> buggered up layshaft shaft the disassembly is challenging.
>>>
>>> I'll be replacing, input shaft, layshaft and 3rd gear at least.  Also had
a
>> weird failure where one of the pins that the spring slides onto in the
>> overdrive is broken off - may have been an assembly issue.
>>>
>>> I may have most of the parts needed for the rebuild, we'll see what uncle
>> jack's tranny parts stash includes.
>>>
>>> Cheers, Tony Drews
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