[ROVERNET - UK] Gearbox changes
Gordon Harrower
griffo at comcast.net
Sun Aug 27 04:13:40 BST 2006
Vern Klukas wrote:
>> My gearbox saga continues, and I'd like to consult the more
>> knowledgeable. I'm prepared to rebuild the gearbox on my 1968 TC
>> (gearbox suffix F), and have bought the necessary parts from Pierre.
>> Meanwhile, someone has offered me a functional gearbox from a 1971
>> TC. Are there major differences or improvements in the later 'box?
>> Will it fit in my '68? Gordon.
>>
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>
>
> Internally, your "F" gearbox is a bushing type, while the 71 will be a
> needle roller type. That means that the internal mainshaft parts are
> not interchangeable. The needle roller gearboxes (suffix H and above)
> are better but (technically) slightly nosier due to the many more
> rotating bits. The early bushing type gearbox had problems with the
> bush for 2nd and 3rd gear breaking, but unless you came across a low
> mileage original all of those have long since broken and been fixed.
>
> Yours
> Vern
>
Thanks, Vern. I'll let you know how it goes. Gordon.
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