Deciding what to build

[Mattyo]

Ah....interesting. ...thanks....as long as it's the same stroke it's cool...got it

 

[mdavlee]

372 rod is 1mm longer for those who like that stuff.

 

[MustangMike]

Matt, you basically just swap the piston & cylinder on a 12 mm 044 or 440. Cylinder needs mods to fit.

The muff dimensions are exactly the same, but when you put a 460 cyl on a 440 base, the bottom of the muff needs spacers.

Getting it to run up to potential involves other secrets.

 

[TreeLife]

Matt, you basically just swap the piston & cylinder on a 12 mm 044 or 440. Cylinder needs mods to fit.

The muff dimensions are exactly the same, but when you put a 460 cyl on a 440 base, the bottom of the muff needs spacers.

Getting it to run up to potential involves other secrets.

The mysteries of the hybrid remain just that to me. I'd like to believe I could learn, however. I am a relatively intelligent man with a fantastic memory.

 

[MustangMike]

The mysteries of the hybrid remain just that to me. I'd like to believe I could learn, however. I am a relatively intelligent man with a fantastic memory.

Check out the Stihl 046/460 D jug thread.

 

[T.Roller]

Fitting a 046 jug to the 044 case is very simple. I didn't have to trim any fins. Took a little off both sides of the base and a little off the transfers to clear the flywheel. Also opening up the holes that's it.

 

[TreeLife]

Check out the Stihl 046/460 D jug thread.

I actually read a portion of it.

 

[Stump Shot]

For milling you don't need speed. I've got 2 075's here that could be had cheap compared to pretty much any other big saws. This one has a pretty much brand new 42" .404 on it

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[paragonbuilder]

372 rod is 1mm longer for those who like that stuff.

Does it fit in the 044 case Mike?


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[junkman]

Just to add a 460 muffler ,the heat deflector is larger than a 440 so the chain brake handle hits it ,the 460 crank is roughly 1/2 inch wider is why wont fit in a 440.

 

[RI Chevy]

372 rod is 1mm longer for those who like that stuff.

You can build a stroker. Lol

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[mdavlee]

Does it fit in the 044 case Mike?


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Should. You have to swap the rods.

 

[paragonbuilder]

Should. You have to swap the rods.

Ahh, gotcha


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[T.Roller]

I'm really enjoying this thread

 

[MustangMike]

A longer rod will not increase your stroke, the crank determines the stroke, the rod length will just change the location of the piston (and rod angle).

 

[Dub11]

372 rod is 1mm longer for those who like that stuff.

They share the same bearing on the big end too?

 

[paragonbuilder]

A longer rod will not increase your stroke, the crank determines the stroke, the rod length will just change the location of the piston (and rod angle).

No, but it will change timing slightly and mean less machining of the base


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[mdavlee]

They share the same bearing on the big end too?

Yes.

 

[mdavlee]

No, but it will change timing slightly and mean less machining of the base


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No machining on the base with .040" more height at TDC

 

[paragonbuilder]

No machining on the base with .040" more height at TDC

Is a longer rod better than a taller piston? Or does it equal out?


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