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Are those cylinders stock 50mm or big bore 52mm? Seems like the porting is limiting the rpm lower than I desire on my cylinder. I’m going to mill the cases .015 and use a .005 copper gasket to get me to around .027-.030 … Seems like with the right carburetor , coil and exhaust these China dolls make decent power. Before the oiler gear ⚙️ stripped/sheared and I lost lube to the bar/chain it was performing as well as a stock 572xp. With a lil more work I hope to get it to pull a stock 500i or better. 😊 I got the woodstove choochin so Im definitely “feeling da heat” 😂

I have the same step in the 372xp 76.5cc big bore. I just turned a wooden mandrel to just under 52mm and affixed some emery cloth to its face. Drill a hole in the center and press in a pc of rod - then u can use a drill motor to spin it slowly and remove material - it don’t take long using lo grit emery 😂

Hello, "Kenny The Guitar Fanatic 05" I was analyzing your channel and saw that in your channel have some problem, That's why your channel is not much growing and not getting much engagement, If you can solve these problems, Your channel will grow like a storm. If you tell I can tell these problems. Where can I tell? Here or ig or where?

Looks like a 028 super piston

So did replacing the crankshaft fix the air leak?

Cool...would like to see more on the attachment on the chainsaw itself.

Nice idea on cutting the chamber! Did you say you cut the piston by hand too? 👀. Looks really good, would love to know your technique

Have you personally tested tighter squish and higher compression? Because I personally have tested it and tighter squish .013in and 17:1 is faster eta then looser squish an less compression. There's also Dyno proof behind it.

why not advance 2 degree

Is that the stock (plastic) clutch cover you are using? If not what one are you using?

Fella, would DUKES have a bar for a Remington Supre 754 chainsaw ?? The chains they sell look super to Kenny.

Ive never went inside of a 311-391 but i have fixed a couple for buddies that ran lean and hot by porting the muffler and grinding material off of the metering lever that controls the strato port on the carb to reduce the fresh air inlet and re-tuning the carb, it seemed to help both the power and cylinder temprature of those saws! Good info about the berings i'll be on the lookout for that in the future I have a 311 under the bench waiting for a rainy day.

What kind of muffler mod do you recommend?

Retard for low speed, advance for high speed. Small engine are set to fire 1/16 in. BTDC, can be checked with timing light.

What is the stock timing? If you used a thermo tester to check temps. You could see the actual numbers and how long it took to get to full /the highest temp it will reach.

You had the box in your hand for the upgraded connecting rod. Why didn’t you just show the part number rather than giving generic info about a model 28.

Man I would think the opposite. Advanced timing puts heat in the engine, retarded timing puts heat in the exhaust. Advanced timing usually produces a more snappy engine, not sluggish. As long as it's not crazy advanced, just my experience in general. But if it works for you then more power to you. Could the saw possibly be lean?

I've been beating my 391 for 8 years now and never had a problem cutting around 6 cords of firewood a year.....

Your presentation of MS391 with rebuild is interesting. I am learning how to look at cylinder and piston wear and do have yet have the ability to do rebuilds. A video by W.C.S (westcoastsaws) presented a view for piston/ring damage. His customer had repeatedly had a big Stihl fail after professional new piston replacement. The shop told a logger that he must let the saw warm up each and every time. The reason being a piston heats up before the cylinder. The saw needs to have both cylinder and piston heated before power cutting. Since the advice, the logger has not had the problem. I have an MS391 which I bought an expert rebuild carb for on eBay. My saw runs perfect, and the rebuilt carb was only in the low 40-dollar range.

That saw will keep the house warm Thats for sure 💪

I use the vp premix fuel amd add enough saber to get it down to 32.1 seems pretty good so far but im mew to the ported saw world. Ive been watching alot of your videos trying to help with my learning about this stuff. I bought a ported saw from aaron lymch and its the meanest saw i ever seen. Hopefully one day i can build saws like him and that guy cajun. I appreciate you doing the videos

Where did you get your cylinder, piston, and crank shaft from?

My MS391 has the round filter, and has the coil #1140 400 1305B. I just bought it used, and the guy said it has always flooded easily. It's doing the same with me. It takes a fair amount of pulling to get spark on the plug.

Why use a trim saw?

When you say coated what’s that mean and how do we know if the aftermarket one comes coated ?

Strong little saw

Engine temp has a large influence on power output. An air cooled 2-stroke can easily lose 5,10 and up to 20% power IF it gets too hot and heat soaks 😊

😂😂3.2.1 boom🎉🎉🎉🎉😂😂😂😂 0:52 mom jumscare

So mine ran like a beast. 2 pulls and it started. Then I cut 3 trees down and shut it off and it won't start at all. New fuel new filter, new spark plug. Any recommendations on what to look at next? I have spark and it won't even fire at all

Just to give it a understanding guys does different types of 2-cycle oil you can run your equipment but what I would say is this I call it a Band-Aid use seafoam 1 oz per gallon I'm here to tell you that additive will solve your two-cycle oil problems protection on your engine reason why I say that is because it is something you can use continuously because yes it will eat away the carbon it also give more lubricity and create a shield on top of the Piston Crown in all of the top of the engine head cover because it will create a lubricant Shield to prevent Heat from increasing on top of your piston and on top of the engine head which will not allow your engine to overheat on hard runs and also prevent the engine from getting carbon buildup even if you're running it low on RPMs and no matter what carbon will not build up on any engine speed that being said you would have a piece of mind at the same time it will keep your carbon clean and also it will help with storage and you will get a continuously easy startup every single time using seafoam on any two cycle oil you use. But if you're a guy don't like to mix your own oil and fuel gas you better do your homework before you buy ready mix fuels and make sure you get the best on the market to deal with something like that because not all ready-made fuel remix is the best just my advice but you'll pay more for that

Not here to crap on what your doing, what heat range plug were you running in that saw before? I'm sure you already know the heat range scale on spark plugs right, if not then #5 or #6 being the hotter range and #9 or #10 being the coldest. Years ago Husqvarna used to recommend running NGK BPMR6A plugs then changed to BPMR7A. Careful with those Champion plugs I've had bad luck with them dropping the inner porcelain and taking out a top end on saws. Nice clean OE 372 by the way don't be afraid to give er the bean's great saw's.

No offense but I can't understand why you would go to the trouble of porting and tuning a saw only to granny it around. I port mine for the sole purpose of having to run them for less time! lol, don't get me wrong I like running saws but fast saws have broken me of my patience for slow under powered saws, a stock 026 is painful to run after running a ported 660 or 572xp or even a stock 500i

I was just thinking about JB welding in those upper Strato ports on the piston. How did it turn out? Thanks for taking the time to go through the Strato timing

Good stuff wish my 391 ran like that

Do you own an actual 660 or is that the kit saw?

Hows the saw holding up? I bought one already assembled, the 90 degree elbow that gos in the fuel tank was leaking, replaced with stihl. So far so good but only have a few tanks trough it.

Do you think a 7x16 would be a big difference vs the 7x10 you have?

I still have the 1'st new saw I got, PP295 and it's better than new. Dura Chrome real HI compression, got Oregan 16 bar chain rim sprocket.

Would this work with an Fs 56 rc? Thanks

Thanks

I wished Neill Blomkamp's Alien 5 reboot was made instead of Alien Romulus abomination th-cam.com/video/mskxKtU0ZHQ/w-d-xo.htmlsi=xrimLTPAD38bIkU6

You have some interesting points. The first Alien movie always gets me. Especially when Brett was taken and Dallas was taken and they showed very little of the Alien itself. It still scares me to this day. In Aliens there are still a lot of jump scares that still make me jump to this day, the part where Hicks and Vasgese try to close the door on the APC and the alien stops them and the jaw comes out and Hicks says "Eat this !" It scares me and makes me relieved. That whole sequence was done so well from when the marines enter the nest to when Dietric gets attacked by the xenomorph. Alien 3 had some good jump scares. I would have to refer to the Assembly Cut because it's far more superior than the theatrical. It has good jump scares and some scary moments when the alien is discovered by the convicts eating their mate in the corridor and it looks at them before they run off. That part scared the hell out of me. Then there is the classic scene of the alien face to face with Ripley. As much as I don't like Alien 3, I have admiration for what the director and his team were doing and they went through a lot of hell getting it together. There are some things with Alien Resurrection that I appreciate. I don't know if it really has any jump scares or scary moments, but I think seeing the xenomorphs in the water swimming after the escapes was enough to get me creeped out. The new born I wasn't scared of, it .Was kind of thrilling to see something different and new. I think that's the one thing I have noticed with each alien movie is that they are different movies. They're not re-telling the same story. Each movie is different and I like that. I really like Prometheus and Alien Covenant I heard about Ridley Scott's original screen play and I wish that he would've done that as a movie instead of Covenant. It was really good. I think with Prometheus the whole psychology of David manipulating the people and his father Mr. Weyland freaked me out because he's so friendly and nice and you have no idea how evil he is or what he's up to. The Engineer waking up was cool and killing everyone was shocking. I wish Ridley Scott would've left the deleted scene of the Engineer talking to Mr. Weyland. Alien covenant had tons of jump scares and scenes that scared the hell out of me. The shower scene scared the hell out of me, the part where the crew member was washing her face and arms and the albino alien snapped her neck and killed her. I don't care what anybody says that had me gasping. It still gives me chills. Then there is the alien coming out of that guys back in the medical room and it killed that girl and went after the next girl in the ship and caused the ship to explode. That was a F*cked up moment. For Alien Romulus I really like the outer space scenes, the stuff with the rings and them docking with the space station. There was some scary moments but there really wasn't any jump scares. I would have to think about this. I think with Fedi and Ridley they wanted to put together a movie that had all of the elements of the earlier movies and the prequels, which for me is fine. I like the prequel movies. I do wish that they didn't include the off spring creature that was the hybrid alien with Engineer. I think at this point it was too much. The whole movie is a roller coaster ride and I was rooting for Rain and Andy to get safely to the ship and get away and have an epilogue or resolution where they're relieved that they escaped. Have the girl "K" who was pregnant die from the black goo because in my opinion the black goo kills whoever ingests it. So, it would make sense to have her body break apart into dust. The whole sequence of the hybrid alien / Engineer could've been saved for another movie. This movie will age well. They used the same technique as Alien and Aliens with a man in a suit and practical effects for the face huggers. Initially that's what Alien is , it's a B monster movie. All the xenomorphs were men in suits. All the sets in the movie are real sets and not green screen. The did use some cgi for Rook to look like Ian Holmes and the Engineer hybrid alien. They used miniatures and the same sound effects as the first Alien movie. Some of the soundtrack is from Gary Goldsmith. Almost all of the people that were involved in the Alien movies worked on this movie including the first AvP movie. I think they did a good job. Is it a perfect movie, no. is it great, probably not. It's definitely a good movie to get on Blue Ray to keep with the other Alien movies. I just want this film to do well so we can get more good movies.

The rings of that planet was amazing to see! Nice review!

Kenny I gotta disagree with you on this one. Love the vid bro !! 😎

Would this work on a stihl fs70r?

Those mofos can KILL ya ! Get a f’n binder and put it above the cut

Legend. Just bought a new Holzfforma 372 and the oiler is shithouse, hopeful this clears it up a bit

I just happened to buy the exact same head and attachments. I'm pleased so far.

Try the .105 Maxpower Premium Twisted Trimmer Line and keep it throttled down. Otherwise it is a nuisance when the line keeps breaking. I prefer the Renegade 60T carbide tipped blades for thick weeds and grass or brush.

Wow, who the hell taught you how to cut down a tree? You don't have any idea what you are doing.