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Ok - I'll consider myself told!  ;D  Duplex chain!  Anyone solved the "new tensioners made from corned beef tins" problem?

 

Nick

 

Well apart from finding NOS (always worth ringing round the more reputable suppliers - Witor normally offers a choice of original and repro)

The originals are hardly ever badly worn after a gazillion miles so why not just refit the old one?

 

 

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I am currently building a 2 litre engine to pretty much this spec using a good block and brand new crank as my basis. it was intended to be my spare engine, but if anyone wants to negotiate terms, i could produce it to a custom spec complete with photographic record of the build? It's on my engine stand right now.

 

On the manifold subject. I am currently doing a feasibility study into reproducing the "Mike the Pipe" style of manifold. All I need is examples for production (pretty much sorted), prospective customers and a manufacturer. I am serious about this if there is enough interest. We intend to offer two versions Saloon/TR and Vitesse/GT6 if that is feasible. The objective is to produce a manifold that is less compromised than the current crop but still affordable. Let me know what you all think.

 

Could be that Busted Knuckle racing goes into business!

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Aahhh, my bad. Was sure that I ad missed the point somewhere, cheers for putting me right!

 

I just keep hoping he will decide to design a 4 pot one...

 

May be hoping for a while though heh!

 

He's done a proto back box / system for Spits/GT6 already, didn't have a price when I got the picture, was dependent on how many he'd be able to make, circa £700 I think.

 

See below.

 

Mark

 

 

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Not personal experience but someone I know replaced a Spit timing chain (which was WELL stretched) with a kit from a well known "specialist" including new tensioner.

 

After less than 5k it was noisier than ever - which turned out to be the new tensioner worn through to holes and falling apart :o  He managed to find a used one among his parts collection and fitted that and it's been ok since then......  Hence the corned beef tin remark  ::)

 

Nick

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Not personal experience but someone I know replaced a Spit timing chain (which was WELL stretched) with a kit from a well known "specialist" including new tensioner.

 

After less than 5k it was noisier than ever - which turned out to be the new tensioner worn through to holes and falling apart :o  He managed to find a used one among his parts collection and fitted that and it's been ok since then......  Hence the corned beef tin remark  ::)

 

Nick

 

I bought a new County tensioner for the engine I'm building at the moment  - don't think I'll bother fitting it as the one thats in there at the moment is showing very little wear after 40K(ish) miles.

 

BTW some bedtime reading for you Nick -- http://www.triumph-tr6.co.uk/docs/CompetitionTR6PreparationManual.pdf

 

========

 

 

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Just a small warning for those hunting vandervell VP2s.  There was time, after Glacier bought VDV when they continued to use the VDV name but put their nasty sintered aluminium efforts in the boxes.  Therefore, just 'cos it appears in a nice VDV box, does not guarantee you will get VP2s.  If it doesn't say VP2 on the back of the bearing - it isn't.  Always worth asking the ebay seller specifically - they may lie, but it gives you something solid to complain about later.

 

Concerning the links posted above, I did ask and was told that they are not Trimetal (VP2).  Ted of TSI is definitely one of the good guys!

 

Cheers

 

Nick

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