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- Arrma RC's
I built a 1/8 monster with parts from several brands of trucks, worked great for several months, speed over 70mph. Bashed it really hard with no problems until a serious 50 mph doink hit, since then I have rebuilt the front differential 6 times. Runs great until I jump it. Then diff ring and pinion strips out. I have shimmed it perfectly but within 5 minutes, I blow the diff. On the last rebuild, I found the front dog bone had no slack. Fit very tight. I bought a new shorter shaft. Question is, before I rebuild again, could this be the problem? I'm thinking the shaft is jamming into the front drive cup, causing the pining to jam out of alignment.