Author Topic: Efco 962 vs Stihl 361  (Read 8338 times)

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Offline Old Iron Logging

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Re: Efco 962 vs Stihl 361
« Reply #30 on: April 03, 2011, 01:10:31 pm »
The 361 is done and a fraction of a second behind the 360 in cutting times. The 962 is on hold awaiting a new piston. It ate a stray washer. Brian can fill you in on the details.

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Re: Efco 962 vs Stihl 361
« Reply #31 on: April 03, 2011, 06:47:55 pm »
Here is the 361


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Re: Efco 962 vs Stihl 361
« Reply #32 on: April 05, 2011, 08:14:03 pm »
New piston is in for the 962. Should be in the mail on Friday. Looks like a 165 piston would work but ring pins are in a different place. Will put up a pic of the 2 tomorrow.

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Re: Efco 962 vs Stihl 361
« Reply #33 on: April 06, 2011, 02:08:57 pm »
962 piston on left, 165 on right. Only difference is in ring pin placement.


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Re: Efco 962 vs Stihl 361
« Reply #34 on: April 06, 2011, 02:30:32 pm »
Nice looking pistons (to the eye in a pic).  Are both skirts same width?

On a side note, Brian could fix the pin issue if it had to be.


So the only difference in 962 and 165 is the cc of the large looking combustion chamber on the 165 and off set c.c. or is the porting stock different too?

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Re: Efco 962 vs Stihl 361
« Reply #35 on: April 06, 2011, 02:37:41 pm »
The 165 has a 1mm longer stroke, and different upper transfers. The 962 is like a 200 series Husky. Upper transfers on the 165 are like the 300 series.

I think a 962 cyl on a 165 case should do good. If rod length is the same.

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Re: Efco 962 vs Stihl 361
« Reply #36 on: April 09, 2011, 06:18:22 am »
Brian, the new piston went out yesterday.

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Re: Efco 962 vs Stihl 361
« Reply #37 on: April 17, 2011, 11:53:24 am »
Any updates on how the 962 compared? 

Art are the bore and strokes the same on 962 and 165?  What is the difference, cylinder?

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Re: Efco 962 vs Stihl 361
« Reply #38 on: April 17, 2011, 02:56:54 pm »
Brian said that the 962 should be back together this week. He dropped a washer into the crankcase on assembly and it ate the piston on startup. He has the new piston now.

962
61.5cc, 48mm bore, 34mm stroke

165
63.4cc, 48mm bore, 35mm stroke

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Re: Efco 962 vs Stihl 361
« Reply #39 on: April 28, 2011, 10:41:32 am »
Any updates TW?

 

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