I am doing something wrong lol

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Joeyeberhardt

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50
ive blown out 3 rear ring and pinion gears!! Pullin these out and gonna check bearings there's play in it somewhere I'm guessing or the new .32 is to much lol
 

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The biggest thing about exploding gears is landing jumps or flipping the rig while on power, thats a sure way to break any gears......
 
to a point I am sure it will.... but bigger heavier tires add additional loads and the diff gears are first inline for shocks causing breakage..... are you using the machined BP style gears or the sintered bp gears..... Looking at your pic again I think those are the sintered gears.... (basically pressed metal powder)
 
Yea some reason I had to replace them originally and they didn't have or were out of the machined ones so I had to get the sintered ones and I think I have just gotten those every time...so I'm ordering some machines ones..prob get a few to throw in the parts box..cause I like big jumps and landing in a wheelie lol
 
Plus I've switched to the trenchers and they grab so much better then those pin tires along with 120k in the rear diff!!!
 
Could be an expensive habit to deal with. TBH, electric/brushless rigs beat up diffs far more than any nitro engine can. Maybe check out what they use that holds up to 6S.

I've had the same diffs in my savage for 2-3 gallons with an LRP28 in it and now an LRP30. When I got it, it had the standard small tooth diffs in it and I shelled the rear one before finishing the breakin of the 28. I then went to the machined BP diffs and pretty sure I only run 50K OFNA fluid in them both. I do run smaller tires though than the trenchers, so less rotational mass when in the air. I run traxxas 3.8 chevrons on traxxas geode rims with 17/47 gearing and it does really well. I've never been fan of massive tires. Just made things too mushy feeling to me. Does better in snow though.
 
Yea I'm gonna go with a lighter fluid since I'm runnin the trenchers now..that might help free up some stress..I haven't been able to run more than two tanks without having to fix something...big jumps and high speed crashes are far to common
 

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