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440 vs 460


Marksquirrell
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Spud mentioned that there's not a great deal you can do with the 441 in terms of porting.

 

Something to do with the placement of the piston ring in relation to the inlet port.

 

The 441 has a ring that ends just off the exhaust port stopping it being widened, can't recall if it is the top or bottom one as sometimes you can drop the lower ring to overcome this sort of issue - got one in at the moment, may take a look:sneaky2::lol:

 

The 372XP (pre xtorq) and 357XP that Joe is talking about are superb saws for porting.

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The 441 has a ring that ends just off the exhaust port stopping it being widened, can't recall if it is the top or bottom one as sometimes you can drop the lower ring to overcome this sort of issue - got one in at the moment, may take a look:sneaky2::lol:

 

The 372XP (pre xtorq) and 357XP that Joe is talking about are superb saws for porting.

 

can you port the 461

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