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Looking for a 95-96mm dogbone?
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Thirdgen89GTA
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Looking for a 95-96mm dogbone? - 01.26.2013, 02:24 PM

For my Hyper 1/7 conversion I'm reversing the center diff and would like to make sure there is enough room for a 85mm length motor (aka 1717).

I could run the existing 92mm (total length is 99m) dog bone if I use fuel tubing to act as bushings to center the dog bone between the front diff cup and the center diff cup. Just trying to see if there's a better fit.

The rear dogbone is already 160mm so its huge. I don't want to go much further back as the existing 92mm dogbone won't center properly and could cause issues.

Pin to Pin its about 92mm buy my micrometer. I'm guessing a 95 or 96mm pin to pin length would give me what i need.


Hyper 1/7 dogbone by thirdgen89gta, on Flickr


Hyper 1/7 dogbone by thirdgen89gta, on Flickr



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I found Kyosho PN# KYOIF143B, which is listed as a 95mm dogbone, but I don't know if thats total length or Pin to Pin. If total length it would be too short, as the Hyper 1/7's front dogbone is already 99mm total length. Looks kinda like it might not hold up to 1717 torque though with that weird step in the shaft.


  • 1989 Pontiac TransAm GTA, 5.7L LT1/M6 400rwhp+
    • Jammin X1 CRT Pro, MMM/1717, 6S
    • Hyper One Seven 1/7th scale GT car, MMM/1717, 6S
    • Hyper 10TT, MMP/1410, 3S
    • TL Mini 8ight, stock, 2S

Last edited by Thirdgen89GTA; 01.26.2013 at 02:44 PM.
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Thirdgen89GTA
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01.26.2013, 03:06 PM

NM. Score. Turns out an old X1 Buggy front Driveshaft works just fine! Its even a CVA to boot!

This leaves me with 88mm from the front of the center diff bulkhead to the bellcrank. Plenty of room for a 1717!!!

SCORE! Now i can drill/countersink the holes finish it up so its a complete electric conversion roller just ready for the electronics.

Now the CVA I have is a little used, its got quite a bit of play so I'll need to order another one but that it fits is most excellent!
http://www.nitrohouse.com/Universal-...-2_p_8077.html


  • 1989 Pontiac TransAm GTA, 5.7L LT1/M6 400rwhp+
    • Jammin X1 CRT Pro, MMM/1717, 6S
    • Hyper One Seven 1/7th scale GT car, MMM/1717, 6S
    • Hyper 10TT, MMP/1410, 3S
    • TL Mini 8ight, stock, 2S
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