Author Topic: Time for a change  (Read 4721 times)

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Offline Old Iron Logging

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Re: Time for a change
« Reply #20 on: January 09, 2012, 08:40:10 pm »
Got some advice from an old guy awhile back, "breath till you stop".  Worked so far.  :)

Offline Old Iron Logging

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Re: Time for a change
« Reply #21 on: January 19, 2012, 08:21:18 pm »
Skidder job fell thru. Was a cleanup of another guys mess. Said no thanks. Start Monday on a 2000 acre lot. Mostly hardwood shelterwood work. Bet the crew has never seen a couple ported Efcos before.

Offline Cut4fun .

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Re: Time for a change
« Reply #22 on: January 19, 2012, 08:32:10 pm »
Bet the crew has never seen a couple ported Efcos before.

I would bet not too.   Which ones do you use most for this type of work?

Offline Old Iron Logging

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Re: Time for a change
« Reply #23 on: January 19, 2012, 08:45:54 pm »
The stroked 156 is my favorite. More torque than the TW962. If the wood gets big the ported 980 will see some service. Have a few regular stroke 156s to port next.

Offline Playinwood

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Re: Time for a change
« Reply #24 on: January 19, 2012, 09:12:35 pm »
stroked as in crank work Art, as in 500 bucks for a work saw to be stroked?
again be safe

Offline Old Iron Logging

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Re: Time for a change
« Reply #25 on: January 19, 2012, 09:17:44 pm »
Efco makes 2 different stroke cranks that interchange in their saws. Cheap and effective.
1mm longer stroke for the 156, 962 and a 2mm longer stroke for the 70 cc saw.

Offline Playinwood

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Re: Time for a change
« Reply #26 on: January 19, 2012, 09:24:40 pm »
okay that sounds better...what is the purpose of having two cranks

Offline Old Iron Logging

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Re: Time for a change
« Reply #27 on: January 19, 2012, 09:27:07 pm »
I think the longer cranks started life in the concrete saws and got carried over into the saw line.

Offline CASE5854x4

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Re: Time for a change
« Reply #28 on: January 19, 2012, 09:35:06 pm »
Are the cranks hard to get ? if so maybe "stockpile" some for those "rainy day builds"  8)

Offline Old Iron Logging

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Re: Time for a change
« Reply #29 on: January 20, 2012, 08:07:24 am »
Both cranks are in production in new saws. The 156 has the short crank, 165 has the longer crank. I think they wanted more cc's out of the existing platform. The base saw was a 56, next option was the 962 (a 2 mm bore increase over the 56). Then the 165 came out. It has the bigger (962) bore and longer stroke.

The 156 has a wide squish, stick the 165 crank in (or easier put the 156 head on a 165 case) the squish drops to .020.

 

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