anyone still breaking diff cups on MT v3?

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brad1161

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Broke one the other day. Is this going to be a weak point forever? How are you guys getting away with running modified engines and not destroying parts?
 
If you are still running the huge MT tires you can break them. On throttle landings are the worst. Most people who run high hp engines beef up as much of the drive train as they can.

You can temper the diff cups and then make rings for them for additional strength.
 
I have only one tank thru since i put hpi baja wheels and new diff cup on and haven't broke any. I weighed my MT wheels and tires 10lbs. baja wheels 4lbs
 
Deluge said:
Basically they're sleeves. Like these...product_m_rcdsr0010.webp
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7075 should manufacture something like these for the MT...they would be a big seller and super easy to make I would think?!?
 
caveman said:
Oh ok so do they work good something you would recommend to everyone?
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I have them on my diff cups and I haven't split one, yet. Back when it was just the V1 and the V2, people had problems with the cups splitting. I haven't seen a lot of split cups with the V3, but it couldn't hurt to sleeve them.
 
Isn't there a post somewhere on the forum about fuel line tubing put into the cups? This would also help with the splitting issue right?
 
get your self some boots for your CVD joints also , I purchased some when I bought my truck but never bothered to put them on .Well my front CVDs went out in no time, the end of the axle and the cvd barrel were so worn one of them broke .anyway just a heads up that the shafts wont last long without grease (I got 3 gallons on mine) as far as the diff cups, no problem so far with MT tires. I have been waiting for them to fail and when my truck went into 2WD I thought for sure it was a diff cup but still going strong.another tip for the MT is to put a piece of foam glued into the roof of the body so that it touches the roll cage this helps limit damage to the body in a roll over also a bit of drywall tape and shoe goo in the weak areas. that body will shatter like glass in a flip without it . Roger
 
RAMJET said:
get your self some boots for your CVD joints also , I purchased some when I bought my truck but never bothered to put them on .Well my front CVDs went out in no time, the end of the axle and the cvd barrel were so worn one of them broke .anyway just a heads up that the shafts wont last long without grease (I got 3 gallons on mine) as far as the diff cups, no problem so far with MT tires. I have been waiting for them to fail and when my truck went into 2WD I thought for sure it was a diff cup but still going strong.another tip for the MT is to put a piece of foam glued into the roof of the body so that it touches the roll cage this helps limit damage to the body in a roll over also a bit of drywall tape and shoe goo in the weak areas. that body will shatter like glass in a flip without it . Roger
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Do u know the part numbers or have links to the boots that fit are mt's? Thanks
 
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