[Fot] TR6 Trailing Arms

[Allen Washatko]

See Moss catalogue - Rear Suspension - page 36 - part numbers 22 and 30.


On Feb 10, 2014, at 6:09 AM, Bob Kramer wrote:

> I've never found an aluminum spacer on a stock TR6 spring,  and the  
> rebound rubber is mounted to the trailing arm on a TR6, to the body  
> on a TR4A. I 'm trying to visualize something on the frame but I  
> can't.
>
> Sent from my iPhone
>
>> On Feb 9, 2014, at 10:38 PM, Allen Washatko <awashatko at wi.rr.com>  
>> wrote:
>>
>> Robert,
>>
>> After a little more checking, I agree with you that the casting  
>> didn't
>> change.
>> The factory changed the following parts to correct the problem of  
>> rear
>> end "squatting" under acceleration:
>>
>> 1. Added the "3 notch" trailing inner arm bracket
>> 2. Added the "1 notch" outer trailing arm bracket
>> 3. Stiffer coil springs
>> 4. Rebound rubber assembly mounted on frame
>> 5. Aluminum spacer for rear spring as a cure for rear wheel camber
>> issues
>>
>> Best,
>>
>> Allen
>>
>>> On Feb 9, 2014, at 10:05 AM, Robert M. Lang wrote:
>>>
>>> Hi,
>>>
>>> Near as I can recall, the "fix" was the 3-notch trailing arm pivot
>>> bracket. There _may_ have been a slightly different spring avaiable
>>> for later cars, but cannot recall for sure. I've had 69, 72, 73 and
>>> 74 TR6s and I don't recall any differences in the trailing arms. I'm
>>> pretty sure the 69 springs were softer.  But the bracket is the only
>>> hardware change that I recall.
>>>
>>> Turns out the foundry where the trailing arms were cast would mark
>>> the dat of manufacture (month and year), so if you really wanted to
>>> dig here, all you need to do is get your hands on a really early T/A
>>> and a really late one and measure.
>>>
>>> But to be honest, I don't think the T/A casting changed over time.
>>>
>>> Regards,
>>> rml
>>> ---------------------------------------------------------------------------
>>> Bob Lang              Triumph TR6!!            |  This space for  
>>> rent
>>> Former NER Solo Chair                          |
>>> Voice:617-253-7438                             |  Cell: 339-927-4489
>>> ---------------------------------------------------------------------------
>>
>> Allen & Jody Washatko
>> 1971 TR6  - Number 6
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>>

Allen & Jody Washatko
1971 TR6  - Number 6