High Quality Chainsaw Bars Husqvarna Toys Hockfire Saws

What's on your bench?

jacob j.

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I know the builders name, DNT know him personally, I got 4 saws in that need reported or rebuilt with new cylinders, 2 others from another ported I know of by name only as well and a 460 Stihl that the owner knew was ported but not sure buy who, oddly the 460 needs a new bottom end but the top end held together well, the 460 work is very clean and I have a feeling I know who ported it by work. I was curious if anyone knew why someone would grind the uppers that way, figured maybe learn something new.
I think they’re trying to get the charge started in the right direction. But with the exhaust pressure still higher than the case pressure you can see them back feeding

There was a long-time builder here who was doing that - he claimed the higher velocity pushed the power band up by 3k, but what he really did was make a high-revving saw that had no torque. I've got several of his cylinders here and they're pretty much paper weights. They've got huge intake ports as well.
 

dustinwilt68

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There was a long-time builder here who was doing that - he claimed the higher velocity pushed the power band up by 3k, but what he really did was make a high-revving saw that had no torque. I've got several of his cylinders here and they're pretty much paper weights. They've got huge intake ports as well.

It is huge, you are correct sir16026439557062721500444651674095.jpg
 

David Young

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There was a long-time builder here who was doing that - he claimed the higher velocity pushed the power band up by 3k, but what he really did was make a high-revving saw that had no torque. I've got several of his cylinders here and they're pretty much paper weights. They've got huge intake ports as well.
Pics of others. I think I remember hearing about it.
 

Bilge Rat

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HL supply has interrupted my afternoon nap.
Ordered a carb yesterday so i figgured today i would have nothing to do after work and could get a short nap.
But no, i hear something at the front door. My carb is already here.
That's fast delivery, maybe too fast.

Thanks HL supply

Now i have to go to work, again.
 

ktmtigger

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A little big for the bench but adjusting the fuel pump a little and a full grease job
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WillG

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Finally got the head bolts after a month of waiting for my buddy's generator. Head is back on finger tight ( gotta bring my torque wrench home from work) once head is torqued and the valve clearances are set, I just need to reinstall the muffler, carb, air filter housing, etc and get it running and tested. Also changed the oil and filter.
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NWWrench

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Big old cat that likes to smoke now. Truck had a complete go over last winter and ill be doing an in frame freshen up up the motor this winter
That's pretty cool I love working on those old Cat engines. I have many years rebuilding those 3406B,C &E engines .

Let me know if you have any fuel pump questions or timing advance questions.
Ryan
 
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