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- Arrma RC's
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- Infraction
- Kraton 6s
- Notorious
- Senton 3s
- Infraction 4x4
I would check them. I've read on here to always check a RTR. On my last 6s purchase I did what the forum suggested. Checked all 3. The center diff was nearly empty. Front & rear were ok as is, 3/4 full, ok, but I changed to different fluid weights anyhow in all 3.I will, i haven't driven it yet, but im getting ready to. But im thinking of opening the diffs to add some oil. I guess there is only grease inside the spider gears?