The Triumph Dolomite Club - Discussion Forum

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 Post subject: Double Valve Springs
PostPosted: Fri Jan 22, 2016 4:42 pm 
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Hi all,

About to start recommisioning a rally spec sprint engine and one of the things to replace are the valve springs as it hasn't turned over in many a year.
Currently it has a Piper BP300 cam and double valve springs.
Can anyone tell me where I can get new double springs from?, have tried Piper, Kent, Rimmers etc but with no luck.

Thanks
Chris


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 Post subject: Re: Double Valve Springs
PostPosted: Fri Jan 22, 2016 5:41 pm 
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If they are serviceable Chris I would leave well alone because they are probably better quality than some of the rubbish about now.


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 Post subject: Re: Double Valve Springs
PostPosted: Fri Jan 22, 2016 6:00 pm 
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Location: Weston-super-Mare, England
Try Ken Clarke Motorsport.

01455 616617

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 Post subject: Re: Double Valve Springs
PostPosted: Fri Jan 22, 2016 7:00 pm 
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I would not use them again. Too much strain on the chain and tensioner and very not needed in a sprint.

Jeroen

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 Post subject: Re: Double Valve Springs
PostPosted: Fri Jan 22, 2016 7:43 pm 
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Lots of good advice and knowledge on this site Chris from people who have first hand experience of uprated Sprints like Jeroen and Mart. Anyway welcome to the forum.


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 Post subject: Re: Double Valve Springs
PostPosted: Fri Jan 22, 2016 9:37 pm 
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Location: Liphook, Hampshire
Burton's - if you really need doubles look at their Sierra Cosworth range - they fit.

Rally engine - good quality singles may be your best bet (again, size up a set from Burton's and check for coil gap at full lift).

Or phone/email Ken Clarke or Rob MacGregor (SprintSpeed) and find what they use.

Singles are fine for 7.5k


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 Post subject: Re: Double Valve Springs
PostPosted: Sat Jan 23, 2016 12:00 pm 
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Many thanks for the info, will try those leads.
Didn't know that Sierra cosworth springs fit, what did we do before forums were invented!?


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 Post subject: Re: Double Valve Springs
PostPosted: Sat Jan 23, 2016 6:41 pm 
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Many thanks for the info, will try those leads.
Didn't know that Sierra cosworth springs fit, what did we do before forums were invented!?
STRUGGLE!

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 Post subject: Re: Double Valve Springs
PostPosted: Tue Feb 23, 2016 6:34 pm 
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:lol:


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 Post subject: Re: Double Valve Springs
PostPosted: Tue Feb 23, 2016 8:55 pm 
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Unless your reving the nuts off the engine singles will be fine
If you can find some lighter valves even better ,


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