346 porting (first time)

[Stihlbro]

Your combustion chamber looks great! It's going to carbon up with run time.

 

[paragonbuilder]

So should I clean the squish up with some finer sandpaper or 80 grit is ok?


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[Mattyo]

I'd probably leave it, but what could it hurt to throw some 220 grit at it?

the only question I have with doing it this was is what happens to the very edge ...the corner where the cylinder wall meets the head...is it rounded in such a way that the cylinder needs to be rounded as well?

 

[Stihlbro]

So should I clean the squish up with some finer sandpaper or 80 grit is ok?


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I say no.



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[mdavlee]

I'd leave the finish as is. Where you're at on squish is great for that bore size.

 

[drf256]

Great job Dan.

I bet you're gonna be really happy with how it runs.

 

[paragonbuilder]

Awesome. Then it goes together today I hope!


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[Stihlbro]

It's been 1 hour since your post, running yet?

 

[redoakneck]

Anyone who has done the 357/359 carb and intake conversion, does the new intake tract seem pushed to the left and slightly out of Allignment with the pins on each side??? The air filter opening is right in the middle, so it is centered, just seems to be tension especially where the choke and O/I switch are???

I just did one last night, and oh yeah, do you really need that little blue ring on the inside of the intake boot

 

[paragonbuilder]

Ok so this saw was apart when I got it. I'm baffled. I've got the fuel line on.
This line

Goes here I think

But what about this one

When I push the fuel purge it shoots fuel out???
What am I missing??????


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[Stihlbro]

What style carb do you have?

 

[paragonbuilder]

Other than that and some fresh fuel she's ready to go!

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[paragonbuilder]

What style carb do you have?

It's a Zama EL 32


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[mdavlee]

I'll go look at mine.

 

[paragonbuilder]

Thanks Mike.


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[redoakneck]

Prolly the purge dump back to tank. Need to hook it up to most forward nipple on tank. Remove carb box floor, see if you have an open nipple

 

[paragonbuilder]

Prolly the purge dump back to tank. Need to hook it up to most forward nipple on tank. Remove carb box floor, see if you have an open nipple

That was it! Thanks!
Not sure why it was up through the carb floor, but we should be good to go tomorrow!!!!


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[paragonbuilder]

Got it back together. Tomorrow morning I'll look at his bar and chain, touch them up, put some fresh mix in her and hopefully get a good video!


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[paragonbuilder]

Ok.
I plugged the decomp. When I did the vac test I had to mess with it to get it to seal. Plus who needs that on a 50 cc saw?
My dealer didn't have a ring [emoji35] so it's got the old one in it for now.
Dressed the bar. Put a nice aggressive edge on the chain. Fresh fuel. Popped on the third pull. Fired up but I couldn't get it tuned. High screw all the way in. Pulled the filter. That was better. So I took brake cleaner to the filter. Much better now!
Here is the video.

Having a hard time telling the difference between 4stroking and the limiter. How's the tune sound?


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[paragonbuilder]

Played with the tune a little more. I think I've got her rich enough. What do you all think?
She's a strong saw! But I've yet to run a 346 so I've got no comparison to stock.
Here she is noodling in white oak.

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