Valve Springs-Dual or Triple?

Discussion in 'Manton Push Rods Top Alcohol Tech Questions' started by Dale H., Oct 20, 2017.

  1. Dale H.

    Dale H. Member

    Dec 7, 2005
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    What are most of you guys running out there-doubles or triples? It seems to me that if you had 2 springs with the same pressure, 1 dual,the other triple, that the triple would last longer do to having less tension per winding.
  2. Soldierboy0098

    Soldierboy0098 Active Member

    Feb 17, 2006
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    Supposedly the duals have a higher fatigue frequency meaning the frequency (Rpm) at which they fatigue is brought to a higher rpm range that we would not normally see, at least that is what Noel Manton told me a while back. The tripples I am told will still hold the valve up if one of the springs breaks. This is a subject of interest to me as well.
    promodracer likes this.

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