Author Topic: Chinese Copy of a Stihl 660 (Read 1853 times)

weimedog · « **on:** April 03, 2015, 06:22:26 pm »

I have a set of 660 cases, like I had with a 372 once. Going to wrap all AM parts around it and see if its as successful a build as my Huztl 372. I plan to "tweak" it some. Any idea what kind of timing numbers work for those 660 class saws??

mdavlee . · « **Reply #1 on:** April 03, 2015, 07:21:11 pm »

Exhaust is high like 95 or 170 on most stock cylinders. Those really benefit from cutting the chamber and base.

weimedog · « **Reply #2 on:** April 04, 2015, 11:54:55 pm »

Good to know.... I I try and match a good set of numbers for a 390, would that work? Try for Exhaust 100 degrees ATDC, Blow down at 20 degrees or there abouts... maybe 22degrees Transfers at 120-122 ATDC, and Exhaust at 80 BTDC?

mdavlee . · « **Reply #3 on:** April 05, 2015, 08:49:07 am »

Yeah something like that. The last one i,did was 102, 120, 77. I had to devcon the intake to get that low intake

Cut4fun . · « **Reply #4 on:** April 05, 2015, 11:30:49 am »

@DefinitiveDave this thread has you written all over it.

DD says about a all China made give or take a buck or 2 MS660 PHO - $450.00 all Farmertec parts except badges and Magnum stickers

weimedog · « **Reply #5 on:** April 07, 2015, 11:03:36 pm »

That's fine if those are parts that fit together as its a complete saw. But what about using those parts to bring a Stihl back from the dead? How close to the original parts are they? I'm more interested in a way to salvage "crush" or skidder damaged saws as that is something I see. Not certain of the market for a compete copy. And if it is a complete saw, its a Farmertec, not a Stihl.

IS that saw in the Pictures your saw?

660magnum · « **Reply #6 on:** April 07, 2015, 11:47:47 pm »

As mentioned in the post

Definitive Dave - a member here owns (ed) the saw

There's a discussion about it somewhere around here?

mcbob · « **Reply #7 on:** April 08, 2015, 02:08:12 am »

I rebuilt this one using a Hutzl long engine assy and a big bore kit everything swapped straight over plus it got a dual port muffler

weimedog · « **Reply #8 on:** April 08, 2015, 07:09:08 am »

And everything fit? And it runs well enough where you aren't disappointed?

Cut4fun . · « **Reply #9 on:** April 08, 2015, 12:02:54 pm »

DD's saw above is all parts you can buy to repair your own 660 saws with. He just built a aftermarket 660 from all the parts available.

http://chainsawrepair.createaforum.com/used-chainsaw-parts-online/dave/

Your not buying a complete saw you are just buying parts. To build a complete saw from parts was 450. Using your own saw minus the parts not needed and way less cost for build.

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Author Topic: Chinese Copy of a Stihl 660 (Read 1853 times)

weimedog

Chinese Copy of a Stihl 660

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