UN1 synchro rings

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UN1 synchro rings

Postby darrenbiggs » Thu Jan 05, 2017 7:47 pm

Hi All,

While the engine's out of the car at RATS, I'm taking the opportunity to get the gearbox refreshed. 2nd gear has always had a bit of a weak synchro, so Lee's dropped it off with the gearbox guys and they've reported back that 1st/2nd synchro is worn, plus 3rd/4th.

I've located a source for the 1st/2nd gear synchro rings - http://www.mespiecesauto.com/mot-cle-pr ... turbo-un1/

110 Euros for the pair, plus 10 shipping. I've also enquired with Simon Autos so waiting to hear back from them.

Anyway, two questions really, does anyone know a source for 3rd/4th rings (assuming Mespieces and Simon can't source them) plus does anyone else need 1st/2nd whilst I'm ordering?

I think Mr Faulks you were interested? Lee? Anyone else? Simon Taylor - did you get your gearbox sorted in the end with a swap?

Cheers

Darren
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Re: UN1 synchro rings

Postby MFaulks » Thu Jan 05, 2017 10:35 pm

.
Have you got pictures of your worn rings?

Martin
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Re: UN1 synchro rings

Postby darrenbiggs » Thu Jan 05, 2017 10:57 pm

Nope. Lee might be able to get some. Clee?

3rd/4th have always been fine, never baulked or crunched at all, so I think they're just covering themselves which is fair enough. For 1st/2nd I'm glad it's visible and they've not identified anything else untoward.

I'll order up the 1st/2nd anyway, if 3rd/4th can be found at a reasonable cost then I think I'll go for it for those also. Otherwise it's the typical pragmatic approach on Alpines of what's available these days.
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Re: UN1 synchro rings

Postby clee » Fri Jan 06, 2017 9:07 am

I'm not asking them for pics of your rings Darren .I can just see how that conversation would go .......Im sure Ill get the old ones back so Martin can see.
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Re: UN1 synchro rings

Postby simontaylor » Fri Jan 06, 2017 9:51 am

Darren,
You could try Kevin Jones at GTO Racing.
He is the guy with the rights to the UN1 ATB LSD which Quaife manufactures.
I am told that he has ALL parts for the UN1. http://www.gtoracing.co.uk/
I need a set of 1/2 synchro too, often it baulks, but would prefer a locol supplier, just in case of what ever.

My failed box was the Diff, and its getting sorted as we speak........its out of the car now and I will be splitting it open this weekend.
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Re: UN1 synchro rings

Postby MFaulks » Wed Jan 11, 2017 12:54 am

.
Did you get the ATB in your gearbox ok then Simon? All set for the season now, or more to do?
... A diamond is only a piece of coal that did well under pressure... PRV afflicted, may be I need to squeeze harder!!!!

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Re: UN1 synchro rings

Postby simontaylor » Wed Jan 11, 2017 1:19 pm

You will believe it, quite a bit more to do ......first event is 2nd week of April which is a new Abingdon "long course" Sprint.
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Re: UN1 synchro rings

Postby John Law » Wed Jan 11, 2017 2:22 pm

Hey Darren,

I might be interested in a set of 1/2 syncros depending on what supplier you go with. Has Chris or whoever your gearbox man is used the aftermarket 1/2 syncros before with success? I've got some 3/4 syncros, new genuine Renault if you are still looking.

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Re: UN1 synchro rings

Postby darrenbiggs » Wed Jan 11, 2017 3:30 pm

Hi John.

Sorry only just seen your message and had just placed the order about an hour before that.

I've gone the Mespieces route for 1st/2nd and Renault original (still in stock) for 3rd/4th.

I've bought two sets (Mr Faulks needed some). I can post pics when they arrive but they're recommended by Hellas amongst others so worth a shot as I believe they're now the only source.

Nickel plated with bronze inserts though I know one of the GT40 guys made up a limited batch with molybdenum that were meant to be an upgrade.

Anyway shipping is only 10 euros, so not too much and they're in stock.

Simon I'll let you know how they work out and then you can make a call on whether you want some.

Should hopefully breath new life into my 200K mile UN1 !
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Re: UN1 synchro rings

Postby Alpineandy » Sun Jan 15, 2017 3:39 pm

If they're the same as the 365 (A310 Box) then I believe Mecaparts have them.
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Re: UN1 synchro rings

Postby darrenbiggs » Sun Jan 15, 2017 5:25 pm

Should be the same as the 369 yet. Didn't try Meca....
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