Stihlmans Wood,Tree cutting ramblings...........

[MCW]

What's the carb upgrade on the MS261 (so I don't have to search.) Some body have a part or model #? Thanks.

I think after Brad ported his particular 261 it needed a 650cfm 4 barrel Holley from memory.

 

[Arbonaut]

I think after Brad ported his particular 261 it needed a 650cfm 4 barrel Holley from memory.

And the auxiliary fuel pump specs? Wasn't they concerned about adding weight with the electric choke?

 

[MCW]

And the auxiliary fuel pump specs? Wasn't they concerned about adding weight with the electric choke?

Apparently he set something up involving a 2 litre Coca Cola bottle and some 1" tubing. You'll have to ask Brad for more specifics.

 

[Officer's Match]

I think after Brad ported his particular 261 it needed a 650cfm 4 barrel Holley from memory.

Vacuum secondaries or progressive mechanical linkage?

 

[Rudolf73]

What's the carb upgrade on the MS261 (so I don't have to search.) Some body have a part or model #? Thanks.

Long story - PM sent.


Edit: I guess I'll wait till you get back from camp

 

[sun64]

Vacuum secondaries or progressive mechanical linkage?

Nah, Brad would have gone with double pumpers for sure. No way he would have gone for vacume secondaries as the crank case is too small

 

[tdi-rick]

Pfft, Holleys.......


Any decent saw would sport a 48 DCO SP Weber, one throttle bore supplying the 'main' inlet tract, the other the 'Strato' tract.

As anyone that knows carburettion knows, you can change venturi's and auxiliary venturi's just to tailor the airflow requirements for each inlet 'side' of the saw, and that's before we even get into jets, emulsion tubes, air correction jets, etc.



Bloody amateurs.......

 

[Stihlman441]

Hi ya blokes
Crap day cold,windy and rain so a bit of saw maintenance is the go,the 460 needed some loving and a birthday bar was first up.
Dressed it filed the burs and the sprocket was looking a little second hand so a new one was fitted.So new sprocket nose,chain 8 pin sprocket and a clean up all ready to go again.

You dont relly notice how much they wear untill you look at a new one,this bar has done around 60 hrs work,the rails are still good only the sprocket was a bit sad.
I put a new Stihl semi chisel chain (thanks Matt) on and i notice that the drive links have little dimples in it,havnt seen that before.
New one under old one.

Ready to go again.

 

[MCW]

Yeah those dimples on the drivelinks are interesting Andrew. The older Stihl chain didn't have this and it's only new. Their .325" has it too.
Helps with holding oil and "possibly" necessary with the newer whale friendly low output oilers.
Got to hand it to Stihl, they are constantly improving stuff that you didn't think could be improved.
Or they overcomplicate stuff instead just for the hell of it

 

[tdi-rick]

Hi ya blokes

and i notice that the drive links have little dimples in it,havnt seen that before.

Hiya Andrew, and be a lad and show us ya dimples, don't be a tease

 

[tdi-rick]

Or they overcomplicate stuff instead just for the hell of it

What !

The Germans and Swiss ?

Never !


( I generally do love their engineering though )

 

[Rudolf73]

What !

The Germans and Swiss ?

Never !


( I generally do love their engineering though )

That reminds me, I think I need to visit them in October :wink2:

 

[7sleeper]

I think it is only easier to produce with a similar effect like the old big hole with channel system. Just a few blast's with a laser or stamp and voìla fertig!

7

 

[Rudolf73]

I think it is only easier to produce with a similar effect like the old big hole with channel system. Just a few blast's with a laser or stamp and voìla fertig!

7

Genau :msp_wink:

 

[tdi-rick]

I think it is only easier to produce with a similar effect like the old big hole with channel system. Just a few blast's with a laser or stamp and voìla fertig!

7

Genau :msp_wink:

finished !
exactly.

Thank my deity for Google translate.

Ideal for the mono-lingual ignoramus that I am

 

[Stihlman441]

Hiya Andrew, and be a lad and show us ya dimples, don't be a tease

Can do tomorra.

 

[Stihlman441]

Arrrr you wont to see my dimples on the chain right.:eek2:

 

[7sleeper]

Hiya Andrew, and be a lad and show us ya dimples, don't be a tease

Sorry but I don't want to see them! Keep em to yourself downunder....



7

 

[MCW]

Arrrr you wont to see my dimples on the chain right.:eek2:

Just remember to wax.

 

[Stihlman441]

Dimples on the new Stihl chain,this is a 3/8 .063 RM the groove is still there as previous.