CU Zcar Posted October 29, 2002 Share Posted October 29, 2002 I may have the chance to buy a Datsun 2000 Roadster 5-speed transmission with the special Zcar bellhousing, I was wondering if anyone knew how it compared to the FS5W71B gearbox in terms of strength. Also, I've been asking on 240SX.org about the FS5W71C transmission and using it in a Z, one guy who's done some mixing and matching with the cases has done it but said that the Z has a better shift mechanism and synchros. I can't say, I've never driven a 240SX, but I do know that I've worn out a few Z transmissions and wondered if the larger countershaft which I believe a 240SX tranny has makes it any stronger. Quote Link to comment Share on other sites More sharing options...
johnc Posted October 29, 2002 Share Posted October 29, 2002 the 71B transmission is a pretty strong and reliable one, plus they are easy and cheap to rebuild. The weak points are the roll pins and the synchros. I don't know much about the roadster transmissions but I assume they are similar to the type A untis found in the early 240. Those were marginal for the 240 applicaiton. Quote Link to comment Share on other sites More sharing options...
CU Zcar Posted October 29, 2002 Author Share Posted October 29, 2002 Hmm, that's what I gather, that the 71B I already have is better than the 71C in the 240SX. Guess I'll have to rebuid mine with quality OEM bearings this time (vs. cheap aftermarket kit) and stop driving like an idiot Quote Link to comment Share on other sites More sharing options...
TomoHawk Posted November 1, 2002 Share Posted November 1, 2002 hanks for the info. My 78 280Z trans needs a rebuild & I think I'll tell him to use only the better grade of everything. Quote Link to comment Share on other sites More sharing options...
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