ok, if my description was a little vague, here is a pic of what I mean....
J
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| Synchro Baulk rings... Wots a good one look like guv ? https://www.ausmini.com/forums/viewtopic.php?f=2&t=19339 |
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| Author: | kazjim [ Fri May 19, 2006 9:33 am ] |
| Post subject: | Synchro Baulk rings... Wots a good one look like guv ? |
Hey all, getting to the "fun" part now... gearbox re-assembly... I've got pretty much all the bits I need, (excellent second-hand selectors, good second gear etc...) but, i have a pile of Baulk rings... (you know, the bronze-ish-looking ring with 3 sticky-outy bits ...) So, should be corners of the sticky-outy bits be nice and chamfered to allow easy sliding, or should they be more "Squared" off ...? I have examples off both these as well as many more in between, but just dont know.. whats a good one look like ? Anyone got a "new" one they can show me a pic of ? I'm avoiding New ones, as the good doctor tells me (And I quote) "They New ones are all Crap" So, If i can re-use an older one that still has lots of life in it, everyone wins ! (especially my minister for Finance....) Cheers J |
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| Author: | kazjim [ Fri May 19, 2006 9:35 am ] |
| Post subject: | |
ok, if my description was a little vague, here is a pic of what I mean....
J |
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| Author: | TheMiniMan [ Fri May 19, 2006 10:58 am ] |
| Post subject: | |
Jim bob , the important thing here is that when pressed up hard against the syncro surface of the gear (the tapered part) as long as there`s something like more than 35-40 thou (ish) gap from the edge of the syncro ring & the side face of the gear, then all should be well 25 tho is just way too little & is a sign that it`s life is nearly over test each syncro ring onto each gear (mix & match) & just use a feeler gauge to measure them all make sure when you press them against eachother (the syncros & the gears) that they`re quite flat & not cocked & easy to make sure with the feeler gauge all the way round. got it??? the 3 sticky outy things on the syncro rings should have a nice sharpish leading edge but it`s not the important part really, more important that you get as much clearance as possible between the synco rings & the gears, that`s what gives you the life factor have fun man & your 127thou "SMALL BORE" primary gear thrust washer is travelling down to you as i type 
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| Author: | drmini in aust [ Fri May 19, 2006 5:56 pm ] |
| Post subject: | |
James, I didn't exactly mean "the new ones are all crap"- more that they vary a lot depending who makes them, while OK for normal road use they are nowhere near as strong as the good old 3 and 4 synchro ones of yesteryear. These ones had M shaped marks on the periphery.... 
Hint... it's possible with the good old ones to surface grind .020" off the big (gear) side to get more clearance. A certain racer up in Cairns uses this trick rather than buy new ones.... |
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| Author: | kazjim [ Fri May 19, 2006 6:50 pm ] |
| Post subject: | |
Hmmm, i have a few of these "W" ones ..... I'll do a mix and match and see what I can come up with, otherwise, new it is ! J |
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