The Triumph Dolomite Club - Discussion Forum

The Number One Club for owners of Triumph's range of small saloons from the 1960s and 1970s.
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 Post subject: Sprint Wheels
PostPosted: Sat Feb 25, 2017 5:09 pm 
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I know that the sprint wheel stud sizes changed around 1976.

Did the wheels change or was just the studs and nuts?


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 Post subject: Re: Sprint Wheels
PostPosted: Sat Feb 25, 2017 5:20 pm 
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Just the studs and nuts changed.

Tony

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 Post subject: Re: Sprint Wheels
PostPosted: Sun May 06, 2018 2:38 pm 
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I've got one of my rear wheel suds that has been snapped off so I need to buy a new one which Rimmers do seem to stock.

Mine measure as 3/8ths but I can see on Rimmers that there are 2 lengths - what's the differentiator?

Any obvious in this pic which one this is? Mine is a very late, 'early' car.

Image

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 Post subject: Re: Sprint Wheels
PostPosted: Sun May 06, 2018 6:24 pm 
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Quote:
I've got one of my rear wheel suds that has been snapped off so I need to buy a new one which Rimmers do seem to stock.

Mine measure as 3/8ths but I can see on Rimmers that there are 2 lengths - what's the differentiator?

Any obvious in this pic which one this is? Mine is a very late, 'early' car.

Image
Thats the very reason why i went over to steel wheel nuts,

Dave


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 Post subject: Re: Sprint Wheels
PostPosted: Sun May 06, 2018 6:46 pm 
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To me, your stud looks fine, it's the nut that has stripped its thread. I can let you have a spare nut when you are next over.


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 Post subject: Re: Sprint Wheels
PostPosted: Sun May 06, 2018 7:23 pm 
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Although the wheels remained the same there were two manufacturers of Sprint wheels and I'm sure that until about 1976 they also had a date stamp on them.

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 Post subject: Re: Sprint Wheels
PostPosted: Sun May 06, 2018 8:01 pm 
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Although the wheels remained the same there were two manufacturers of Sprint wheels and I'm sure that until about 1976 they also had a date stamp on them.
There were two manufacturers but the one, Sterling Metals, were a wholly owned subsidiary of GKN, the other. All wheels are date marked.


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 Post subject: Re: Sprint Wheels
PostPosted: Mon May 07, 2018 8:34 am 
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The stud and nut in my pic are a 'good pair' there's one on the other side that's snapped off.

If it's the wheels that determine whether its a 'standard' or 'XL' stud I need I'd better start looking at my 9 wheels for a set of 5. You never know , they might all be the same type ...

Once I know the date/manufacturer which wheel goes with which stud? Or is it obvious by the thickness of the wheel mounting faces ?

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After 37 years I've finally got my hands on a Mimosa Sprint :-)


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 Post subject: Re: Sprint Wheels
PostPosted: Mon May 07, 2018 4:54 pm 
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All wheels are virtually identical, save for GKN or SM markings; it is only the studs and nuts that changed


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 Post subject: Re: Sprint Wheels
PostPosted: Mon May 07, 2018 9:48 pm 
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Quote:
The stud and nut in my pic are a 'good pair' there's one on the other side that's snapped off.

If it's the wheels that determine whether its a 'standard' or 'XL' stud I need I'd better start looking at my 9 wheels for a set of 5. You never know , they might all be the same type ...

Once I know the date/manufacturer which wheel goes with which stud? Or is it obvious by the thickness of the wheel mounting faces ?
Up to 1975, ie all series 1 Sprints (pre VA 15000) which should include yours, there is only 1 wheel stud listed for Sprint, front OR rear. That is part number 158729. It's possible the overlength ones are a mod or for use with spacers or the homologated compo vented discs or something like that.

I'd be wary of fitting an extended stud as the alloy nuts are "capped" so an overlength stud might bottom in the nut and give a false tight feel.

Steve

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 Post subject: Re: Sprint Wheels
PostPosted: Wed May 09, 2018 7:27 pm 
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That's good sensible advice, thank you :-)

I'll order a short one and look for a wheel nut to suit, or maybe a set of steel ones...

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 Post subject: Re: Sprint Wheels
PostPosted: Wed May 09, 2018 11:09 pm 
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I have s/h 3/8” studs here and will be listing a set of steel 3/8” nuts in Jon Tilson’s things shortly


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