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  1. #1

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    torque plate exhaust spacer

    i did the search , but could not find any one that did this one mod to verify the 1-2 mph . i have 3 na skies & 2 sc skies and would like to buy 5 of them if they work . if not i'll get 2 and let every one know the results


  2. #2
    ou812's Avatar
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    40 to 60rpm is the norm.. So .5mph.. BUT, it helps keep the piston crowns a bit cooler..

  3. #3

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    Quote Originally Posted by ou812 View Post
    40 to 60rpm is the norm.. So .5mph.. BUT, it helps keep the piston crowns a bit cooler..
    so i would assume that is on a sc ski ? have you done that one mod yourself ? 80 - 150 rpm is bs ?

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  5. #4
    ou812's Avatar
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    Quote Originally Posted by rtarford View Post
    so i would assume that is on a sc ski ? have you done that one mod yourself ? 80 - 150 rpm is bs ?
    Yes on my own ski and a several others, stock and modified SC ski's.. I never saw more than a 60rpm gain but that's just in my region of Socal

  6. #5
    r1goombah's Avatar
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    i dont really know if it actually gains any rpms, but it does give the burnt exhaust a longer path of straight travel instead being burnt and making a instant turn into the manifold,

  7. #6
    Bob 1tommygunner1927's Avatar
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    Great addition if one wants to log individual cylinder AFR and/or exhaust gas temps.

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