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Originally Posted by JoeMag
I saw that listed to in the independent studies that came up. I wasn’t sure if I was talking about the synchro itself or the polished cone / dog teeth that fit on the gear. If you race and you use steel synchros you can actually burn/score the cone. Might be opportunity there. …next time in tranny will probably look into it along w getting R&P done.
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When I spoke to Izumi at WPC he said they treat the cone in addition to the teeth. They only treat metallic syncros and not carbon fiber ones. I'm having my transmission re done right now and trying to decide if I want to send the syncros and shift rods and forks out as well.
It would be nice to treat the 4 point bearing, but I kind of don't want to risk taking apart the bearing so it can be treated. Has anyone done this before?
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I heard a story (unverified) that Compass Racing did a comparison between their 2 Grand-Am Civic racecars, where one received the full WPC treatment (i.e. engine, transmission, etc) and the other didn't. The WPC treated car was consistently faster.
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I've heard of several places treating the entire transmission, but I would like some before and after experiences with having the syncros treated just because it feels a bit more dicey to do than all the other load bearing components.