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Milling saw mods

foragefarmer

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What all have you done and what have your experiences been?

I would think a muffler mod or adding a second port to a muffler would be good for a milling saw. I have a 394xp for milling and it got a fresh piston, base gasket delete, cleaned up the exhaust port due to a thick layer of carbon, port matched the muffler and added a second port to the muffler.

I honestly never ran the saw in stock form so I have no idea how it ran before, but I am pleased with the way it runs thus far. I have run a couple few gallons through it and pulled the muffler the other day and everything is in order.
 

Canadian farm boy

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I don't do any milling but I would imagine that an air filter upgrade would also be a benefit. Maybe a max flo filter or a v stack and a KnN.
 

mdavlee

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The huskies don't need much help in the air filter department. I've done some porting to a few that are milling. Don't go crazy on compression or timing advance. A good muffler mod that directs it away is great.
 

foragefarmer

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The huskies don't need much help in the air filter department. I've done some porting to a few that are milling. Don't go crazy on compression or timing advance. A good muffler mod that directs it away is great.

What are you thinking of doing to that 395 you have when you get around to fixing it up?
 

mdavlee

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Be some mild porting. No compression increase besides dropping the jug to set squish.
 

foragefarmer

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Be some mild porting. No compression increase besides dropping the jug to set squish.

Squish on mine was still .028 after the gasket delete would you expect it to be similar for the 395? So just trim the base?
 

mdavlee

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Shave the base and sand clearance if I over shoot it. I don't want 225 lbs of compression.
 

mdavlee

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I've done several like that. All were 190-200. That's plenty for a milling saw. I may cut a taper on the chamber to open it a little more.
 
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