Jkstihl
Chainsaws make me fap.
Dont have 20 years under my belt but im close... And i agree. Anyone who disagrees has not been deep in the saw game.
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Dont have 20 years under my belt but im close... And i agree. Anyone who disagrees has not been deep in the saw game.
Jkstihl
Chainsaws make me fap.
Controlled air leak or controlled vacuum? Now thats deep lol.
I have a 2015 550xp and its been nothing but reliable.
D
Deleted member 117362
Guest
Just like cars and tires. I call bs.
Jkstihl
Chainsaws make me fap.
Just agreeing about the newer stuff not being as reliable..dont have a clue about heatsoak, dont carry a temp gun w me to work..
661s overheating is a well know problem is Australia
Jkstihl
Chainsaws make me fap.
Huh? Well drive your suzuki forenza on your telluride tires..
D
Deleted member 117362
Guest
Kind of like old Quadra-jet vs modern fuel injection. Points and rotor vs electronic ignition? Bias-ply vs modern belted tires? Sure every mechanical piece of machinery can break down or go through engineering changes for improvement. You stay in the past, I prefer looking forward.
cuinrearview
Red saw lover
I wonder if work was measured in cords or board feet instead of hours if the numbers would be more comparable?
Jkstihl
Chainsaws make me fap.
Ok your comment makes way more sense now. I thought you were implying that ALL cars are good and ALL tires are good.
I'm not sure how that sorts out...given that saw performance has barely improved in over 30 years.
You've actually misunderstood what 101 was saying. He was talking about the wild temperature swings do to unheated fresh air passing through the strato passages in the piston, this is true and can cause running issues in a cold engine. This is one reason both Stihl and Husqvarna is preheating the incoming charge by routing the charge almost directly under the exhaust port.
You're referring to actual engine temperature, this is mostly cause by higher power output, on the edge tuning, restricted exhausts and poor airflow around the cylinder do to these saws getting maybe too compact. These were all issues with the 550 and 562, all of which have been addressed with the 572 IMHO, it runs nice and cool compared to the 550, 562. Oddly the 576 never had the overheating issues the 550 and 562 had, that saw was big bulky and had good airflow for cooling an.
The 661 has had numerous updates and improvements, it was a severely flawed saw until the last year or so, there is a thread here by RedBull documenting all the upgraded parts that can be retrofitted to order models. Non of this has anything to do with the fact these saws are strato in design.
Your source of information is not sound, and your interpretation is flawed, do to your lack of understanding.
Stick around awhile, lots of info here, most of it's good, like anything you have to filter out the bad. Welcome to the forum BTW.[emoji111]
I also agree, but it has absolutely nothing to do with the saw being strato charge. Mostly lean tuning, too compact of design. Look at the 550 MKII they opened the saw up for better air flow. The original saw was too underbuilt and compact, combined with lean tuning and you could cook an egg on the top cover.[emoji111]
CentaurG2
Addicted to ArboristSite
Early adopter of both the 562 and the 550. Sorry but neither saw has given me one whiff of trouble and I have beat the hell out of them.
Well, kinda. I look at it like this, if strato saws are roughly 30% more efficient, that’s 30% less mix that is going through the crank bearings. I suspect that’s mostly what is responsible for bearings not lasting, in addition to the heavier piston of course
cuinrearview
Red saw lover
I add 20% more oil, maybe that's why my stuff stays together?
Yes, more oil is better.
Sorry, my bad
I agree with that.
I think we can also agree better design would have helped prevent a lot of this. And if we looks at the non AT models that you can add more fuel with the turn of a screwdriver, all the overheating and bottom end problems diminished. And let's not forget it's not uncommon for new models to go through these types of problems, and let's not forget things like this have happened before. Look at the early 372's the 064, 10mm 044 they all had bearing problems of some type, yet these saws are well thought of. Heck the 066 top end was known to snap off at the base, so Stihl had to reinforce the base of the cylinder.
I'll also add, old school saws often had runs of a decade or longer, so the issues were often resolved in the first years of the mode. The old saws that are still around are obviously the ones that were built right, the saws that weren't, are gone and forgotten. There was some real garbage built back in the day too.
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