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Additional throttle return spring recommendation?


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#1 iani

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  • Location:Corby, Northamptonshire
  • Cars Owned::'69 TR6

Posted 19 June 2018 - 05:54 PM

Can anyone recommend a suitable spring to use as an additional throttle return spring? My idle is still creeping up when the car is hot and I want to see if I can assist the throttle in closing more effectively.



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#2 macs6

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  • Location:Chester-le-Street, Co,Durham

Posted 19 June 2018 - 06:57 PM

Hi Ian,

I would be surprised if no one on the forum, with a CP car has not come across this problem,

If no one can help,Malcolm Jones @ Prestige Injection,or Neil Ferguson on this forum will give good advice.


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#3 john.r.davies

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  • Location:Lancaster UK

Posted 19 June 2018 - 10:02 PM

Mer!in Motorspor sell these https://www.merlinmo...BCABEgKe4fD_BwE

I have three,one on each throttle lever, to clips on adjacent cylinder head studs.

But the problem is more likely to be that the butterflies we'd adjusting on the spindles. I had to adjust mine minutely until they gripped a 1.5 thou feeler top and bottom, before the fast idle went away.

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#4 Waldi

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  • Location:Hellevoetsluis, Netherlands
  • Cars Owned::AR Spider Duetto, TR6, Moris Minor Traveller, MGB GT, XK140FHC, Healey MK2, TR6-PI (CP, 1970)

Posted 20 June 2018 - 06:14 AM

Be carefull not to apply too much extra load on the spindles, this will accelerate wear.
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