High Quality Chainsaw Bars Husqvarna Toys

"Warm Saw" Stihl 024/034 mess of parts!

weeks auto

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Got some more work done today. Started with fitting the carb. Lots of trimming in the carb box and had to trim down the LA screw, but it fits. I had to use a 460 fuel line and filter and swap the fuel inlet on the carb with one off some random carb in the parts bin. The 024 throttle linkage fit with a little tweaking but no choke yet. Next I disassembled the entire saw, cleaned it and re-assembled it with new gaskets and seals. While I waited for the case to heat up and the crank to cool I blasted the muffler so now I can modify it. The 024 has a goofy muffler and I am not sure how I want to modify it yet. I had to get creative with cooling the crank, but it work great.
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weeks auto

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Any pics of the Drill fixture you made? I’d love to see it.

Here is the drill fixture. Nothing fancy just turned down the handle of a air drill and installed in the boring bar tool holder. It is fairly ridged if you go easy with it. It works good in aluminum but steel may be another story.
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blacksmith

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Wow that is build so freaking cool! I'd love to mess around and do what your doing someday but I definitely don't have the knowledge yet! Although with threads like this I am definitely gaining some knowledge!
 

weeks auto

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Wow that is build so freaking cool! I'd love to mess around and do what your doing someday but I definitely don't have the knowledge yet! Although with threads like this I am definitely gaining some knowledge!
Just jump in. You can start small, with cheap saws like this. There is lots of good info and help on this forum. Just be warned that it will suck up all your free time along with most of your other time.
 

blacksmith

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Just jump in. You can start small, with cheap saws like this. There is lots of good info and help on this forum. Just be warned that it will suck up all your free time along with most of your other time.


I know the info is here just by some of the threads that I've been reading! I don't have the necessary tools like you have, maybe someday. This place is full of knowledge! Awesome work!
 

weeks auto

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I got a few thing done tonight on the saw. I cut the compensation horn of the AM 460 carb and JB welded the hole shut, now I just have to drill a small hole and it will be complete. I got the muffler modified and mounted, and then I cleaned the transfer off the plating and started porting the cylinder until my die grinder motor broke a brush.
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drf256

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Make sure you sand the inside of that plate so that the entire area and the JB’d hole are lower than the stock plate. You don’t want anything pressing on the metering diaphragm and holding the needle open-and it takes very little to do so.

I do it the other way, I add the JB from the inside and tape the outside. Makes the final cleanup easier.
 

weeks auto

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Thanks for the advice, I did not think of going from the inside out, probably would have looked nicer you way. Ive got the tape pushed up in the hole a bit the rest of the tape is smooth on the dome inside so I hope it comes out. This is actually the second try since the first time I was not patient enough and started sand on the outside before it was fully cured so I knocked it all out and started over.
 

weeks auto

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Finished assembling the saw today and fired it up. It runs!!! Only pulled it 5 or 6 times and it fired up and ran. Sounds decent but need some tuning I lapped the head to the cylinder and after running it for a little while tonight I did not notice and combustion leaks around the head so that makes me happy. I need to figure out some sort of air filter. and I need a gasket between the cyl and muffler. I'm not real happy with the muffler sound and I prefer the exhaust to exit on the sides so I may have need to build something, not sure what (expansion chamber pipe?) I have a small reed box that I may try and fit to try and combat some of the spit back through the carb. I might pull it back apart and take a little more off the bottom of the head since my warm compression was only 170psi. I also need to fix up a .325 chain for it so I can try it in some wood when it gets warmer than 7 degrees out.

I am very happy with the way it turned out, I learned a ton and reached the only goal I had set at the start of this build and that was to see if I could make this combo run. Not sure where I am going to go with this project so any comments, ideas or criticisms are welcome.
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drf256

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For the air filter, you’ll have to make an elbow to clear the tank rear handle. Easy to pop a V stack on there and then an uni.

@Canadian farm boy made this elbow. I believe or started life as a black street 45* elbow. Then I added a 15* uni filter and a Vstack from @Definitive Dave .

Here’s a few pics of the one I did for Duane.

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drf256

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You should be able to swap a 194 carb on there for regular playing. You added an 044 boot, correct?
 

weeks auto

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029 boot. I was thinking of trying a 029/039 carb for playing but I don’t have one maybe when tha am ones go on deal of the day.
 

drf256

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Make sure that their Venturi are actually smaller. I think only the 361 HD carb is smaller in bore size, but I could be wrong.

The 361 carb needs the impulse plate swapped over and the standard opening plugged.
 
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