Differential

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tert

Member
Messages
39
Location
Sweden
Hi!

I just blew my old differential and after some investigation it looks like I have a very old differential with only 2 bevel gears. I thought I would upgrade to the 4 bevel differential instead and saw that they sell this kit:

http://www.hpiracing.com/en/part/86127

Is this a 2 or 4 bevel setup?
 
Actually, your really best bet is to get the BP diffs. However, if you get them off ebay from a part out, they usually have the super HD diff cups on them, so you either have to dismantle and use your old outdrives or upgrade your dogbones/axle cups as well. I did the later on my X and haven't looked at a diff in many gallons.

https://www.hpiracing.com/en/part/102692

Gear ratio is different from the old diffs, so you have to do both front and rear at the same time.

Cup:
http://www.ebay.com/itm/NEW-HPI-Rac...339379?hash=item4d4a148073:g:zpIAAOSw-kdXxdSV

Spider:
http://www.ebay.com/itm/HPI-87193-F...073851?hash=item51ec419c7b:g:99UAAOSwzJ5XdF0C

Ring/pinions
Sintered BP:
http://www.ebay.com/itm/HPI-105551-...921859?hash=item25c589a3c3:g:HN8AAOSw8gVX9BaD

Machined (more expensive, but best):
http://www.ebay.com/itm/HPI-Racing-...371863?hash=item5686a86b17:g:noAAAOSwInxXNWZt
 
Last edited:

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