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Gtr crank pulley

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    Gtr crank pulley

    Hi, is this te good one for a gtr engine?
    Does it worth? Thank you,


    #2
    it should fit. looks neat, i haven't seen that design before
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    1992- project FE3..... 313 WHP @ 9.3psi




    I pet my dash when I get into the car..."good car"
    he actually has a mazda tree, parts grow on it

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      #3
      Ok, thank you sir :-)!

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        #4
        Lightweight pulleys and boost don't mix unless everything is balanced properly.
        Cincinnati, ohio Bengals for life
        "Who Dey"

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          #5
          Perfectly balanced or not, you still really need a harmonic damper on a high horsepower 4 cylinder like the BP. Here's why:

          Torsional crankshaft movement and harmonics
          Each time a cylinder fires, the force of the combustion is imparted to the crankshaft rod journal. The rod journal deflects in a torsional motion to some degree under this force. Harmonic vibrations result from the torsional motion imparted on the crankshaft. These harmonics are a function of many factors including frequencies created by the actual combustion and the natural frequencies the metals make under the stresses of combustion and flexing. In some engines, the torsional motion of the crankshaft at certain speeds can synchronize with the harmonic vibrations, causing a resonance. In some cases the resonance may stress the crankshaft to the point of cracking or complete failure.
          Escort GTR -- 11.87 @ 117.6 mph -- 320 HP / 325 Ft. Lbs. @ 23 PSI
          ... The first FWD BG with a Toyota E153 transmission conversion in the USA!
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