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

[Stutzmans]

It was too hard to grind!
----- Original Message ----- 
From: "Jerry Van Vlack" <jerryvv at roadrunner.com>
To: "Stutzmans" <stutzmans at comcast.net>; "Joe Alexander" <n197tr4 at cs.com>; 
"Tony Drews" <tony at tonydrews.com>
Cc: <fot at autox.team.net>
Sent: Saturday, November 16, 2013 9:07 PM
Subject: Re: [Fot] TR-4 / TR-6 tranny layshaft bearing mod?


>I think Bruce meant the hardness of the material was too hard to machine, a 
>good grinding house could manage it. Or someone with the proper tooling.
> JVV
>
> -----Original Message----- 
> From: Stutzmans
> Sent: Saturday, November 16, 2013 8:39 PM
> To: Joe Alexander ; Tony Drews
> Cc: fot at autox.team.net
> Subject: Re: [Fot] TR-4 / TR-6 tranny layshaft bearing mod?
>
> 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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