Author Topic: Echo 590 600 620  (Read 575 times)

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Offline mountainlake

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Re: Echo 590 600 620
« on: October 11, 2015, 05:37:03 pm »
 I think on some of the newer Echo saws they are raising the exhaust port height giving more RPM  but less torque, I like old Echo torque as it cuts just as fast as high RPM low torque motors and has a nice wide powerband.  I put one of the new P@C on a Echo 8000, way less torque but more RPM.   Steve

 

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