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Using a T140 rocker spindle in a T120 Triumph.

389 Views 7 Replies 4 Participants Last post by  richbob, 
Itsnotatumor
After reading a lot of threads on the subject, I haven’t found anyone who has done this.

I noticed that the later models in the 70s the factory has added an oil groove on the rocker spindle to deal with lack of oil to the head. So my question is “has anybody replaced T120 rocker spindles with newer T140 spindles with the oil groove? Are they even compatible?
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Itsnotatumor
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H
That should work, or you could put a grove in the T120 spindles. Make sure the washers and springs are in the right order.
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Itsnotatumor
Well, if anyone reading this is interested...
Just spoke with someone over at Baxter Cycle. I was informed that rocker spindle, part 71-3549 (the one with an oil groove), can be used in earlier models (ones using 71-1512), as a better replacement. I haven’t ordered it yet to verify.
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Ratso
Thanks for that. Good behavior!
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richbob
Yea I had
T140 valve train on a 58 pre unit
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Itsnotatumor
richbob said:
Yea I had
T140 valve train on a 58 pre unit
Click to expand...
What kind of head did you use?
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richbob
It was an iron head
It was done by previous owner
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