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Spuds Porting and Tuning Thread


spudulike
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Thanks Martin, this is my 357XP, I was pissed off that it got beaten by 0.4 seconds on three cuts by a 560XP running a shorter bar so we took 0.5mm of the outer Piston crown and cylinder base which upped the compression to 200psi.

 

The saw already had widened ports and modified uppers and lowers plus a loud muffler mod. Goes rather well now -

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I stuck a duel port muffler on my 066 , took the mesh spark shield out , sounds good but I'm not sure it runs any better !

 

Makes a big difference, chain speed is improved on bigger bars. . Especially if the carb is set right too. Makes a right good noise too!

 

I'll get this weekend out the way and I'm very much thinking to send my 660 down to get the spud works :)

 

 

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