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Charlie-O

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    Lawrence KS

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  1. All--thanks for your input. So far so good. No chunks or flakes on the drain plug--although it was probably bumped in every direction when it was shipped, they could have been knocked off. It seems to spin quietly in each gear, other than the sound that gears make when they mesh. Mr. Motorsports--regarding the synchros leaning into the gears whilst spinning the input shaft, is a pretty cool way to test. What I am getting when I do this is a couple of little clicks, like tumblers falling in the lock when you open a safe, is that what you mean? I can't really "feel" it but I can tell something is moving, and quietly. Datzenmike, thanks for the part numbers. I checked them out via a Google search and yes, they are about $40. NLA from Nissan, and they seem to be sold by only one or two vendors, compared to the later type 60 transmission with the H-shifter, whose rebuild kits can even be had through the big box stores. But hopefully everything is OK. I had a 210 rebuilt a few years ago, and the synchros and all but one of the bearings a looked like new--except for the front countershaft bearing, a small needle bearing that was quite worn. Maybe it is similar to the ones you are referring to, Mike. Do you have a p/n for that? The idea of putting it on a simulator is a good one--when you mentioned this I recalled that I do have an acquaintance who couples transmissions to a variable speed electric motor using a length of heater hose and some clamps and tests that way. I will ask him when he gets back into town. He is some sort of SCCA official, on the road a lot. Thanks again everyone.
  2. Hi all. Longtime lurker, first time poster. Much to my delight I recently acquired a 5-speed 210 transmission, as identified by the 60 cast into the right side. However, it was sold to me sight unseen, and when I got it I was somewhat surprised to find it was a dogleg, as indicated by the rear-facing drain plug. After cleaning it up a bit I have found black RTV between the front and rear cases, which puts me in a bit of a panic, because it would seem someone has been in there before. Yes? I was also told after I got it that rebuilt kits for the dogleg are becoming impossible to find, because although the bearings are common, the synchros are not. Strange. I can't imagine unique synchros were developed and used just one year...I would think that perhaps they are not so scarce, but you have to know what to ask for? But the big and most obvious question is, short of opening it up or putting it in a car is there any way to assess its condition? The input shaft turns smoothly but who knows, that would not seem like a real test. If this question is asked and answered frequently, I apologize. Obviously if it is a pig in a poke I want to try and get my money back, without paying someone to break it down for a rebuild, only to find it requires uncommon parts or, best case scenario--that maybe it already had a rebuild and it is good to go. Thanks for your help, you guys are great.
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