spindrift7mm
Changing the World One Saw at a time !
I believe that the 029s is same size as ms290 with the old 029 being smaller. The muffler modded ms390 with a good tune will hold it's own with a stock 361 even though it's heavier.
I have a muff mod 390. Holds it's own against an 038 mag, for real.
I'd personally mod your muffler, leave it as a 290, and invest in another saw.
You're showing symptoms and signs of early CAD (Chainsaw Addictive Disorder).
No man can be happy with less than 10 saws.
Leave it a 290, buy a busted 044 or 066, and rebuild.
You were supposed to hollow out the area around the indent, and maybe a small hole in the indent.MM complete. After stopping by to pickup a buddies weedwacker to see if i could get it running and damn did he have a nice garage with 5 or 6 motorcycles up on lifts. Gives me 2 chainsaws to keep wether or not i can get his wacker goin :O ok ill take it, Homelite and Stihl. 5 minutes and i got the "hasn't run for years" running but needs a good cleaning and tune. And the second was a dropped Stihl 045AV i wanna say. Complete rear handle missing. Well anyway, dremeled into the. Stihl MS290 muffler so no turnin back now, took out all the indented part, and about 45% on the cover in front. We shall see once i dig up a tach
Turn them all the way clockwise, than counterclockwise a full turn. That will get you in the ball park. As for your low setting it should idle smoothly and when given full throttle snap right up in RPMs with no lag. High should be set to where it 4 strokes out of wood then when put in wood ( with a good sharp chain) it should clear out. The 4 stroking sound should be very obvious with the muffler mod.Sorry it took me awhile, i was just trying to wash the blood out of my ears! GD its loud! Ive read alot of posts on here about tuning after and im still without a tach (broke mine) so im having trouble in all areas, keeping it idling, sounds like its way to fast at WOT, great throttle response and i can usually get it to idle fine at startup but after WOT it wants to crap out unless i give it some juice. Its got the normal markings on both H & L and id assume that they are out the window after a MM. Is there any recommended starting turns for H & L after a mod like this or is it all based on tach'ing it out? I dont wanna run it lean or damage anything so ive been pretty worried about running it for the moment until i can get another tach...
Id toss those caps. They are useless. If you put them back on then your gonna have to remove them again at some point. Better to just leave them off. I wouldn't put a 24" on it the oiler couldn't keep up.Ahhh, so i should def put them back in then huh. I removed them carefully so shouldnt be a problem to re-install. Save the limited caps which i might add did very little damage to them by using an old "screwdriver?" That has almost like a screw end to it so in reality you could barely tell they were messed with. Ive heard of replacing them anyway after optimum setting has been achieved to prevent any movement and that what i intended to do if thats possible. Ill place the o-rings back in tonight or tomorrow as i plan on tuning it this week depending on the weather.
With the MM, should i be ok running a bigger bar?? Not talking huge "Piltz" bar, maybe a 20.. 24??? Pushing it?
Well if I was you I'd get another deflector for that muffler. I usually wouldn't cut a hole in it. I bet its loud as hell ! You can run it like that just make sure you don't catch the wood your cutting on fire lol.Wide open MS290 MM... Too much?
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