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Author Topic: 390xp info  (Read 1562 times)

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Offline Reddog

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Re: 390xp info
« Reply #10 on: January 21, 2015, 09:08:06 am »
Bump an old thread with a 390xp question.

I have noticed this saw pulls down into mid range rpm but has a load of torque there. So I just use a 8pin to get the chain speed up.

Question is will a muffler mod raise the peak torque curve or just make it louder with little gain in rpm while in the cut?

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