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Speedo Worm And Pinion


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#1 Minigman

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Posted 19 April 2018 - 04:24 PM

Does anyone know if a TXF1004 and TXD1006 worm and pinion combo can be used in a 4 synchro remote box 22G846?

Edited by Minigman, 19 April 2018 - 04:40 PM.


#2 nicklouse

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Posted 19 April 2018 - 05:44 PM

yes the housing is the same on all boxes.



#3 Itsaminithing

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Posted 19 April 2018 - 06:02 PM

Can you change the speedo drive components on a Mk2 Elf/Hornet gearbox?

As nicklouse said -Yes.

....but will the speedo be correct? Depends on your FD, wheel rolling diameter, & the Speedo head fitted

https://www.calverst...o-drive-ratios/



#4 Minigman

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Posted 19 April 2018 - 06:20 PM

The speedo is a 1408TPM and the FD is a 3.4. According to Guessworks ratio calculator I need a 7/18.

Problem is there are 2A, DAM and TX part numbers. I think as long as they are paired theyll be ok.

Edited by Minigman, 19 April 2018 - 06:20 PM.


#5 Itsaminithing

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Posted 19 April 2018 - 09:45 PM

Done all this myself when i changed my FD (over a decade ago!), speedo ended up being more accurate than the standard set-up :-)

 

You need 18/7?     TXF1004 is 18.... but TXD1006 is 5

I've found two numbers for 7 tooth      -3.1FD 16 green DAM2905 7 blue DAM6028

                                                       -2.76FD 15 black TXD10004 7 yellow TXF10001



#6 Minigman

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Posted 19 April 2018 - 10:33 PM

Spoken to John at Guessworks now. All sorted with a DAM6028 + 22g2024.




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