redbull660
Addicted to ArboristSite
That's what She said!
It's here!!!!............Inside the MS661
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That's what She said!
Trx250r180
Saw polisher
Don't you have a new saw to get dirty .................
redbull660
Addicted to ArboristSite
yeah I put 4 tanks through the 661R today. It's uhh reallly nice!!! Very smooth. Lots of torque. Can't wait to get another 11 tanks through it and put it up against the 660R.
sw oh logger
ArboristSite Lurker
I've got 395 parts to clean, but first things firstI got the Tsumura T&L bar in the mail today, along with a new loop of Stihl RS chain. Here she is, still on her first tank of fuel.
Here's my 390XP, different B&C, although the exact same specs. This chain has been filed.
The MS661 isn't going to equal the 390XP, but I think it probably has the edge in torque, especially considering it has almost no run time on it. I'll know more when we get them in the same wood with cut times all the way through the log.
Brad, your 661 looks like a great one! Impressive how fast it's cutting that dry white ash when it's that tight yet. Ash is really only average density but very dry when already cut. In hardwoods your modded 661 would be a demon with a 24" or 28" b&c in bigger wood. You're going to make a lot of people sick of their 660s!
whitedogone
Addicted to ArboristSite
Well, that was a waste of time
mopar1rules
ArboristSite Guru
That 390 sounds to hold rpms better in the cut vs the 661. Of course the 661 has no run time or break in time on it yet. Brad, what is the cranking psi of them saws? Care to share what you did to the 661?
I've got 395 parts to clean, but first things first
Here's my 390XP, different B&C, although the exact same specs. This chain has been filed.
The MS661 isn't going to equal the 390XP, but I think it probably has the edge in torque, especially considering it has almost no run time on it. I'll know more when we get them in the same wood with cut times all the way through the log.
How's the "other" one coming
It's dead Ash.
I'll be doing it Saturday.How's the "other" one coming
Thank you, Sir
I would have been shocked if the 661 made the RPMs of a 390XP. They are simply insane the way they run. Compression on this 661 was 178. I don't recall what the 390XP is, but it's under 200 PSI.
mopar1rules
ArboristSite Guru
Healthy comp on both saws. Curious what the 661 goes up to as more run time gets on it. I never ran a 390 but it seems i may have to find one to rip on. Lol. So, what is squish on both saws? You care to reveal what you did to the 661? Popup? Machine base? Port timing? Ignition timing advance? One thing for sure is that you surely can lean on that 661 more and the chain stays going, instead of it just falling on its face and the chain stopping.
That's back in the thread somewhere.
Ron660
Addicted to ArboristSite
390xp looked a lot faster. Good job. Yea that wood did look very hard.
mopar1rules
ArboristSite Guru
What is? I didn't see anything posted and i went thru all 35 pages.
The port timing is there somewhere.
hseII
Addicted to ArboristSite
You can't do a popup without cutting the base.
hseII
Addicted to ArboristSite
I's Just Teasin' Brad
wigglesworth
Booned
Both them saws Pop-ups B-rad?
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