johny Posted December 27, 2022 Report Share Posted December 27, 2022 Will you investigate the spare ones condition further or leave for if you need it? Link to comment Share on other sites More sharing options...
Paul H Posted December 27, 2022 Author Report Share Posted December 27, 2022 Yes leaving intact for when it’s required. I have another box , single rail spitfire box which is definitely for spares . The input shaft having significant rust . I purchased this one just for part 156911 as I understand this box shares the same 1/2nd synchro outer ring as the Vitesse . I’ll dig it out and start stripping just for the learning exercise Paul Link to comment Share on other sites More sharing options...
johny Posted December 27, 2022 Report Share Posted December 27, 2022 I really dont know how significant chipped teeth are (Id like to know the cause) but if the inner bearing surface were good Id be tempted to use it because of the lack of replacements... Link to comment Share on other sites More sharing options...
Paul H Posted December 27, 2022 Author Report Share Posted December 27, 2022 5 minutes ago, johny said: I really dont know how significant chipped teeth are (Id like to know the cause) but if the inner bearing surface were good Id be tempted to use it because of the lack of replacements... When I emptied the box of oil , there was no crud / debris ie no tell tale signs Paul Link to comment Share on other sites More sharing options...
Pete Lewis Posted December 27, 2022 Report Share Posted December 27, 2022 some chipped teeth can be used if you grind/dremmel the sharp edge off the fracture to avoid noise but all the bits went somewhere and could have drained out in a previous life and we dont know if the chipped teeth were the result of debris in the mesh , tooth fatigue, or some misalignment (eg missing crank spigot ) Pete Link to comment Share on other sites More sharing options...
Josef Posted December 28, 2022 Report Share Posted December 28, 2022 Wear to the teeth that engage with the synchros / shift hubs is more likely to be problematic than wear to the actual gear teeth. This’ll stop you shifting cleanly. 1 Link to comment Share on other sites More sharing options...
johny Posted January 4, 2023 Report Share Posted January 4, 2023 On 26/12/2022 at 22:05, johny said: I think the mistake might have been made early on and then repeated elsewhere. Has anyone in the great org ever seen a fabled WM gearbox? Just to finish this off, Ive seen from Rimmers site that the WM was the later design of the single rail gearbox as used in the last Dolomite 1850 with changes to 1st, 2nd and reverse gears from the previous single rail which was presumibly WH... Link to comment Share on other sites More sharing options...
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