Blownupcr125
Member
- Messages
- 21
- Reaction score
- 20
- Location
- Bucks county pa
- Arrma RC's
- Granite
- Infraction
- Kraton 6s
- Outcast 6s
Not mine a pic someone posted on the Bookface.
Oh lol
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Not mine a pic someone posted on the Bookface.
I agree... driver error and all. On throttle lands and a heavy throttle finger will do in those diffs sooner than later most of the time. And for me I almost wish that was the case. I have many brands of rigs here. Never had issues like this before. If I babied these Arrma rigs, I guess the diffs would not fail? The common denominator here is that even out the box these diffs are crap. IMO. Sometimes you get lucky and a diff here and there will last a long time. I know which ones they are because I'm always akeen to which ones are due for a rebuild. And they keep on going no issue.My Kraton internals are almost 2 years old, running more than the stock power. I think a lot of it comes down to driving technique ???
Aluminum at the pin/sun gear areas of the diff show that aluminum is no match for metal. Steel pins and washers/shims will wear out alloy. Needs to be steel at these ends. Hence why Arrma's option diff carriers are steel at both ends. Only center is alloy. That is normal wear in that picture. Those parts are not a good upgrade path. Steel Diff dog bone cups should also spin within a steel sleeve not alloy. A recipe for disaster. IMO.Looks like those diffs were shimmed a little to tight to me
The new Hot Racing ones have a steel sleeve in the end of the cup and of course the gear is already steel.Aluminum at the pin/sun gear areas do the diff show that aluminum is no match for metal. steel pins and washers/shims will wear out alloy. Needs to be steel at these ends. Hence why Arrma's option diff carriers are steel at both ends. Only center is alloy. That is normal wear in that picture. Steel Diff dog bone cups should also spin within a steel sleeve not alloy. A recipe for disaster. IMO.
I'm running them in all 3 diffs. And other than the issue I talked about above they have been fine.The new HR diff carrier is now doable. Experience with them will dictate.
Did you have an issue with the bearing on the Center diff cup? Mine doesn't fit the new HR cup for some reason.I'm running them in all 3 diffs. And other than the issue I talked about above they have been fine.
No problem fitting the bearings.Did you have an issue with the bearing on the Center diff cup? Mine doesn't fit the new HR cup for some reason.
Did you get the bearing to fit ? Is the new metal insert the issue?No problem fitting the bearings.
O-rings on both sides, getting the oring to sit properly is giant a pain the butt. I do think that if I buy any more I will buy the Arrma ones just to not have to deal with those orings.I'm looking to get either the hot racing or the arrma aluminum cup for just the center diff on my outcast. Front and rear will stay stock. From what I'm taking away from this is you need to dry fit first but really can't go wrong with either?
With the hot racing ones is the print used between the plate and the center and stock gasket between center and spur gear? Or o-rings on both sides? Are you able to order extra o-rings separate?
Did you get the bearing to fit ? Is the new metal insert the issue?
Did you get that bearing to fit?Did you have an issue with the bearing on the Center diff cup? Mine doesn't fit the new HR cup for some reason.
Got me there.O-rings on both sides, getting the oring to sit properly is giant a pain the butt. I do think that if I buy any more I will buy the Arrma ones just to not have to deal with those orings.
I think you quoted the wrong person.
Did you get that bearing to fit?
I did. After I had already used another stock cup and finally got the 500k fluid to settle 2 days later ?. I did have to fight to get it on initiay. It's going to be sitting here until I need to fill/check the diff again.
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