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Post by solo2racr on Aug 5, 2008 23:03:03 GMT -5
Does anyone know how the box ratios compare from a SR to a TT? I have a TT gearset and thinking that it may be a closer box than the SR's. Or even the primary ratio. Same or different?
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Post by wotavidone on Aug 6, 2008 1:28:20 GMT -5
I reckon they are the same. Unfortunately my hard drive containing a full copy of the haynes manual died so I cannot check, but I'd almost be tempted to bet a beer on it.
Mick
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Post by colinjay on Aug 6, 2008 3:18:01 GMT -5
All the gearbox ratios are the same, as is the primary ratio for the SR/TT and XT gearboxes. From memory the length of the SR countershaft is slightly different to the too the TT/XT countershaft, but it is a long time since I compared them.
The only other difference that I know of in the gearboxes, is that the early (pre '78) XT and TT's have a different selector drum from the Sr and later XT/TTs.
CJ
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Post by solo2racr on Aug 6, 2008 11:22:47 GMT -5
Thanks for the answers. I never thought to look in the crappy Haynes manual. Didn't figure they would have had it in there. The only thing they show are a few final drive ratio changes over the years. I was hoping to be onto something. To bad no one makes a 6 speed box.
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sven
Full Member
Posts: 166
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Post by sven on Aug 6, 2008 13:59:14 GMT -5
All gearboxes are perfectly the same with the one and only difference, as CJ already mentioned, that early XT/TTs' selector drums have a plain-bearing on the right side, whereas all others have a needle bearing there.
Regards
Sven
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pcnsd
Full Member
Posts: 113
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Post by pcnsd on Aug 6, 2008 23:24:22 GMT -5
To bad no one makes a 6 speed box. Amen.  |
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Post by sjef on Aug 7, 2008 3:23:16 GMT -5
both Over and Kedo sold transmission with different ratios
normal:1/2,357 2/1,555 3/1,190 4/0,916 5/0,777
race 1/1,824 2/1,350 3/1.087 4/0,913 5/0,808
you just have to find the right gears to make your own on your trannyshafts
regards sjef
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