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Saw video thread

X 66 stang347 X

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Im thinking the values might show it's probably running lean and the graph might show its far to that side. I'm thinking Because of the extra fuel it has to deliver over set parameters. I could be wrong not sure. Will that let you figure how much the carb can handle on what it can flow maybe. The jet is just a electro magnet being controlled for flow. You can tell if you have a air leak to a stopped up air filter.
I might hook up a 362 tomorrow and put up a video or pic if anyone was interested.
 

jmssaws

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I switched from a 200lb Cylinder to a 170lb cylinder That's ported completely different and it only runs perfectly.
All I've done is change things on it for weeks and it has never missed a beat.
Pretty cool to have a very strong and very ported saw that never needs tuned.
I think it's the best thing stihl ever did
 

X 66 stang347 X

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I'm glad it works. That's hard to find these days. It checks its parameters a lot per second. I can't remember right off how many times per sec. But there's been no problems from what I've heard and I think it was tested for several years before the 441 Which had its own problems. And it was starting to look bad on the m tronic.
 

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I just reread what I said and I don't want you to think I'm saying the saw is running lean. When I say the graph might look lean I'm saying It knows it is having to add more fuel for the rpm and load its under. Which may let you know how much more it can possibly flow. That I'm not sure.
 

X 66 stang347 X

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I switched from a 200lb Cylinder to a 170lb cylinder That's ported completely different and it only runs perfectly.
All I've done is change things on it for weeks and it has never missed a beat.
Pretty cool to have a very strong and very ported saw that never needs tuned.
I think it's the best thing stihl ever did

Did both cylinders perform the same that you could tell? Or was the 200 stronger
 

X 66 stang347 X

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Sorry for all the questions. But I think the 661 has a lot of potential stihl had to leave out due to EPA. So it has a lot of power to gain over stock. Have you tried the relearn after a major change and seen if it made more power after a few big cuts?
 

jmssaws

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Sorry for all the questions. But I think the 661 has a lot of potential stihl had to leave out due to EPA. So it has a lot of power to gain over stock. Have you tried the relearn after a major change and seen if it made more power after a few big cuts?
I did one time but it didn't change anything, I thought it did but it was just the changes I made in the cylinder
 
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