Can I buy the small piece of threaded bar between the track rod end and tie bar as both sides are in poor condition. I need my car tracked and dont fancy new tie bars as they are fine and look difficult to fit.
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May '95 Black S2 Avant, standard with K&N filter -
You can get them from Andrew Page at Attercliffe, they are a std Quinton Hazell part. I'll check when I get home and let you know the part number. If you need them quick I have a couple in stock! Let me know.sigpic
1991 Audi S2 3B - 2.5 Stroker engine
1997 A6 2.5TDi quattro avant - C4
1976 RD250E / 350LC cafe racer -
I tried to get a pair of these a while back and they were on back order for about 6 months. The thread is a non standard type so quite tricky to make or something.
I think it was Quinton Hazel i tried too, through Tanvics, although they are now Parkers car parts??Comment
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Also, you can buy them from Audi but you have to buy the complete tie rod arm for about 90 quid each.Comment
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if someone can get a thread size, why not get some made...stainless or dare I say....titanium...mmmm Ti..Comment
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yeah i had to wait a while for QH to make another batch, this was back in Feb, so they must have all sold out again. Andy P very kindly lent me one at the time.
When they are back in stock, i will be getting another pair in as spares.
IIRC at the tome I rang QH direct and they told me when the manufacturing run was happening
EDIT: part number is: QR5005SPanthero Coupé quattro 20vt
Indigo ABY coupé
Imola B6 S4 AvantComment
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really??...they use them were I work and I can confidently say these are pushed to higher limits and have never had a problem.....and correct me if I am wrong but isn't Ti used in the aerospace industry for items like these piece's John is looking at....
once again...I could be wrong in these matters but I can find out for definite...
p.s. nice impeller by the way...Comment
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I approached an Engineer 15 months to make me a pair. 6 months later he said the die set to cut the reverse thread was also on back order as this is the thread which is non standard. I haven't heard from him since. He also advised me that he couldn't make it out of S/S for the same reasons. Not sure about titanium, would that be too brittle too?Comment
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Ti is far more flexible than tensile steelPanthero Coupé quattro 20vt
Indigo ABY coupé
Imola B6 S4 AvantComment
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As i have worked in aerospace industry for 20 years i can tell you you are right and wrong ! titanium is never pure titanium in aerospace it is always an alloy.
Depending on the product design, heat treatment, and alloy used, Ti can be soft or hard, flexible or stiff, as heavy as steel, or as light as aluminum. In short, it is a versatile material which can exhibit a variety of mechanical properties.
Titanium exhibits work-hardening rates which are less than steel, and Ti actually has a higher fatigue strength. Regardless, the occurrence of work-hardening is more a function of machining expertise (or lack thereof) than the material itself. Related to this, the proper heat-treating and machining of Ti, as with any metal, is critical in order to avoid stress and fatigue cracks.
There are also many types of stainless steel that have widely varying characteristics
but most of them are no good in a situation were there may be flex, such as the odd time you hit a pothole mid corner. stainless steel bolts that are clamping something are very strong but there is no flex so the cant work harden . In the case of a track rod they form part of a stress flexible member.
A lack of machining expertise in any material is not good for this type of part so hence my comment above.Comment
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don't know about that Al, i'm not an engineer
but Ti's modulous is half that of steel.
Panthero Coupé quattro 20vt
Indigo ABY coupé
Imola B6 S4 AvantComment
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Basicly i was warned against using anything too brittle and quite rightly so. I'm not a materials engineer so i really don't know what would be ideal, but i think the biggest problem is the reverse thread.
Incidently, the normal direction thread is identical to the thread used on the wheel bolts
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This is fair comment...as I too have worked in the aerospace industry, nuclear and, currently in F1, for nearly 20 years, there is a huge amount of different materials and treatment methods in these area's.
I suppose I was thinking about what we do at work.. and as they still use Ti suspension components, I thought this would be an ideal "up-grade" to combat corrosion and build in strength and lightness altogether...
It is down to the individual and where they get there components from...
good luck john getting these parts...
MikeComment
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