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Ah got it my apologies I got it mixed up. I thought the main difference was no option of m-tronic on the 660. I know randy said when I asked him that he thought he had a lot more to gain porting the 462 over the 661. Also had to buy a different coil with the 661, so he steered me that way. I...

Well that might be the next saw. I was really surprised on the 462 once broke in, in Cedar Rapids Storm clean up in 97f heat it still ran really great. Only time I had to lift a hair is if I got one of the chains that had the rakers cut back on a hair to much. I run sharp chains and at the...

It runs really good. Randy at mastermind really got this thing figured out. Pretty radical looking transfer ports, did squish work, gutted stratos, timing, muffler mod, He keeps working different recipes and configurations, video taping them for times. There was a long thread on this site...

Agree.....I changed it up and got: 201t, 14” for basket work or small stuff —-gets 90% of the run time.....going to mastermind this winter..... Mastermind mod 261 18” bar Mastermind 462 with 28” and 36” Not sure what to get for the next size up saw. The 461 is kinda old tech....heavier and if...

Faster than a stock 661.....the stock 661 really leaves a lot on the table, yes it’s big but for a 90cc saw, underpowered for the cc size. From what I read the guys doing port work had several different rounds of recipes to get the 661 to run well, ported. My understanding is when porter with...

The 462 with mastermind mods will Be faster than a 661. I ran mine doing storm clean up in the 97f heat for 2 months thus summer in Cedar Rapids ia, never took the 36” bar off it. Buried in 40” oak trees, pulls it well, with a lot of authority. Sent from my iPhone using Tapatalk Pro

The best saw in my opinion, for fire wood is a brand new still 261 50cc, and leave it in the box and ship it to mastermind work saws, for porting. I’ve got a mastermind 462 and a 261. I think if I was going to do nothing but cut firewood all day I’d be farther ahead with the 261, as it is so...

Stihl ms261 and a ms462, both mastermind ported. I keep bouncing between the two. Love them each for there own reasons, but I were to have only one, it would be the 261. It’s humps pretty good right out of the box but, wow how amazing it is ported! Light too. Sent from my iPhone using...

Do I cut 20 cords of wood with a 271. The. Bought the 261. I can say the 261 is 1/3 more saw. So compared to a 250 it would be more, in my opinion. Sent the 261 off to mastermind and it came back with 1/3 more on top. Unbelievable! Sent from my iPhone using Tapatalk Pro

If you don’t like carbon build up you are going to hate the lead bromine that builds up on everything from the high lead content. You can run 100ll, but most us pilots are trying to get away from it, due to it causing issues with all the lead residue deposited throughout the engine...

That’s a old tail. I’ve burned a lot of it and never had any more or less creosote In the chimney. What creates creosote is high moisture content in the wood. Some places only have pine and they don’t burn down there houses. Now pine isn’t my favorite, but because it has less btu than...

Looks like Caesar is a lier!!!! Lol Sent from my iPhone using Tapatalk Pro

How about a 261 modded by mastermind work saws pulling a 28” bar! https://share.icloud.com/photos/0mq9_lcw02ptwMB-K6qdH0JXg#Marion,_MN

They been running them for sometime across the pond. Sent from my iPhone using Tapatalk Pro

I chuckled cause I share the same thought, but last Friday I got my 261 back from getting the mastermind package, and I dropped the 3 tank old 462 in the box and off to mastermind for a unneeded power boost. Sent from my iPhone using Tapatalk Pro

I thought frank said he was done for the night? Not honest about that either .... Sent from my iPhone using Tapatalk Pro

Ya I used to race champ 440 and open class ice oval snowmobiles.....what I’m seeing is not a “tuned pipe” but a less restrictive exhaust. Tune pipes are shaped to so at a particular rpm the reverberations inside the pipe plug the exhaust port to keep more 02 and fuel mix in the cylinder then...

Was just thinking the same thing. Just joined the group and very little useful Info on at least this thread. Sad thing is if they arnt gonna talk saws then at least be funny, neither has happened. Sent from my iPhone using Tapatalk Pro