MMWS/CROSS PERFORMANCE MS661 TOP END

[Redfin]

Redfin ported my 661 and I'm pretty sure he did a big timing advance. Runs like champ.

Julians testing has shown roughly .0400" key is working the best.

 

[Moparmyway]

Julians testing has shown roughly .0400" key is working the best.

0.040 off or 0.040 width after filing ?
Most keys that I've measured are 0.78 stock

 

[paragonbuilder]

0.040 off or 0.040 width after filing ?
Most keys that I've measured are 0.78 stock

I'm pretty sure that's the width after filing. Here is the thread.
Testing different timing advances on tree monkeyed 661

https://r.tapatalk.com/shareLink?ur...share_tid=3979&share_fid=1392778&share_type=t


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[Stihl working Hard]

I'm so over working on stihls, I mean wtf, you actually have to undo bolts which is retarded and time consuming. With a husky you just pick it up and give it a shake, hey presto, all fixings have self removed, so much quicker and it doesn't matter how tight they are to begin with!

Could do with one or two of these Randy, we have a few now at work and they managed to cold seize a 390 and straight gas a 395.
That xb my mate killed and you cleaned up is still going well, though not sure how long it will last as just found out he killed my 288xp

Blunt chain and undone top cover screws, he kept going full pelt till the carb fell off.... All threads worn away, bits obviously loose and hanging off...

I hate people so much sometimes even though I love em,

If I can get 4 of these sent out it should last him a few months



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It's a crying shame Andy that some people are even allowed near saws .Your friend can sure kill saws though

 

[David Young]

Yea old hot rod MS390 kit.......with a modded muffler. I like that idea.

They normally have good porting numbers and shapes if they had a little more compression by decreasing the sq to 28-30 thou and decreasing the combustion chamber. an ms 390 with 170 psi would be quite a saw.

 

[David Young]

It always takes longer to make these than I think it should. Of course I stopped to eat a steak dinner too.

View attachment 33843

are they replica moob legs?

 

[Mastermind]

are they replica moob legs?

My, how mean we are today.

 

[David Young]

My, how mean we are today.

I aim for one a day Randy. Made quota today.

 

[Mastermind]

Fair enough.

 

[T.Roller]

My, how mean we are today.

Lets not kid ourselves, you don't have any feelings

 

[Mastermind]

Once I thought I was experiencing a case of hurt feelings..........but it was just gas.

 

[T.Roller]

Once I thought I was experiencing a case of hurt feelings..........but it was just gas.

I'd say you get that a lot

 

[Glock37]

Once I thought I was experiencing a case of hurt feelings..........but it was just gas.

Randy your old enough never trust a fart !!!!


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[Mastermind]

Maybe that's what made my feelings hurt Mike.

 

[Ryan Browne]

Randy your old enough never trust a fart !!!!


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I once heard that the sound a fart makes is a trumpet of celebration for not pooping one's pants.

 

[Keith Gandy]

I once heard that the sound a fart makes is a trumpet of celebration for not pooping one's pants.

Heck at my age fartin in front of somebody is like trying to show out!!! The ole check valve aint what she use to be

 

[Keith Gandy]

Its amazing how a man can run with his ass puckered and on his tip toes when the ole shart hits!!!

 

[Mastermind]

Could we be any further off topic? LOL

 

[Ryan Browne]

Could we be any further off topic? LOL

Just a little "exhaust port" talk is all, Mr. Moobs.




So uh, I'm new here. Is there a MMWS/CROSS ms460 jug in the works? I'm sure it's already been asked, I just thought I might could help with the sharting situation.

 

[RI Chevy]

Where is a moderator when you need one.