DwightRalston87 Posted January 3 Report Share Posted January 3 Hey all, I have come across plenty of topics about lockers. I recently found myself needing a carrier for my C200 axle, and due to the need. I purchased a ARB RD202, and have recently installed it into the axle. In the locker manual, it gives steps for the use of 10mm ring gear bolts.(The locker has 12mm holes for the ring gear.) I also had to modify the pinion gear.(Also in the manual) I couldn't find the topics to comment directly on them. So this was the next best option. 1 Quote Link to comment
datzenmike Posted January 4 Report Share Posted January 4 Was that where 1mm round shims/sleeves are fitted to the 10mm ring bolts? Quote Link to comment
DwightRalston87 Posted January 4 Author Report Share Posted January 4 Correct. The dimensions given are: "When used with 10mm ring gear bolts, adapter sleeves of the following size are required: Outside: Ø12.15mm [0.478”] Inside: Ø10.45mm [0.411”] Length: 10mm [0.39”]" Shim/sleeves are Not included with the locker Quote Link to comment
Stoffregen Motorsports Posted January 4 Report Share Posted January 4 Pics would be nice. Did you take any along the way? Quote Link to comment
DwightRalston87 Posted January 4 Author Report Share Posted January 4 these are the only photos I have. The marks on the locker housing were caused by the pinion. I attempted to install the locker without modification, and the pinion made contact. Quote Link to comment
Stoffregen Motorsports Posted January 4 Report Share Posted January 4 Ok, thanks. I've had to do both mods before and as long as you used red loctite on the carrier bolts, it should never be a problem. The RD202 must be shared with another diff, or maybe there is a year cutoff for the different bolt sizes. One issue we have had, and this is odd - when you smack your pinion flange on a rock, this can sometimes knock the pinion crush out of whack. Presumably it's a momentary bending of the pinion gear, which is scary. If you use a solid pinion spacer with shims, the problem doesn't ever show up. Did you use a solid spacer? Quote Link to comment
DwightRalston87 Posted January 4 Author Report Share Posted January 4 Red loctite was used on the carrier bolts. I just used a new crush spacer at this time. I'll have to look into the solid spacer. 1 Quote Link to comment
DwayneOxford Posted January 5 Report Share Posted January 5 Are/were there ratchet diff's for 2wd 720s? Quote Link to comment
Stoffregen Motorsports Posted January 5 Report Share Posted January 5 19 hours ago, DwayneOxford said: Are/were there ratchet diff's for 2wd 720s? Ratchet diff? Like a Detroit locker? Or "lunchbox" locker? I don't know if there ever was one for a C200. Probably. Quote Link to comment
DwayneOxford Posted January 6 Report Share Posted January 6 6 hours ago, Stoffregen Motorsports said: Ratchet diff? Like a Detroit locker? Or "lunchbox" locker? I don't know if there ever was one for a C200. Probably. Yup. I'd sure like to have one if there is/was one. Quote Link to comment
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