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Fruecrue 660 build thread

dall

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cool dave i looked for results but didnt see anything
 

MustangMike

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Glad the cylinder was salvageable, and I'll bet that orig piston will be just fine.

Question: Did you modify that exhaust port, and if so how? Sounds like the saw is hitting some good RPMs.

How did it feel in the cut?
 

Fruecrue

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Glad the cylinder was salvageable, and I'll bet that orig piston will be just fine.

Question: Did you modify that exhaust port, and if so how? Sounds like the saw is hitting some good RPMs.

How did it feel in the cut?
I had to smooth out some damage, didn't really want to round my exhaust port roof at all but I did increase bevels. Basically did as little as possible to run again as close to original as I could without hanging a ring.
Also took another .004" off the base. Sometimes I just can't help myself.
 

MustangMike

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Feels strong, but I've never ran anything above a 460 before so who knows.

If it feels noticeably stronger than a 460 it is a good running 660. Many of them feel a bit lethargic, good torque but not a lot of speed. Ported ones, however, can turn into beasts!

It is not at all unusual for a 460 to out perform a 660 with bar lengths of 24 or 28". But the 660 is generally better with the longer bar (I'm talking stock saws).
 
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BuckthornBonnie

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If it feels noticeably stronger than a 460 it is a good running 660. Many of them feel a bit lethargic, good torque by not a lot of speed. Ported ones, however, can turn into beasts!

It is not at all unusual for a 460 to out perform a 660 with bar lengths of 24 or 28". But the 660 is generally better with the longer bar (I'm talking stock saws).
Yep. A longer bar buried with an aggressive chain is where a 660 steps above the 1128s. I ran mine a bit yesterday after not firing it up for a few months--- just damn good saws that are reliable as hell.
 

huskihl

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If it feels noticeably stronger than a 460 it is a good running 660. Many of them feel a bit lethargic, good torque but not a lot of speed. Ported ones, however, can turn into beasts!

It is not at all unusual for a 460 to out perform a 660 with bar lengths of 24 or 28". But the 660 is generally better with the longer bar (I'm talking stock saws).
Feels strong, but I've never ran anything above a 460 before so who knows.
I put mine together without the base gasket. 100% aftermarket. 3 ish seconds faster than a 461 in a 22 second cut in 24" beech
 
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