Nik's Poulan Thread

[Chris J.]

Both my 3400 mufflers came pre-modded, someone drilled six 1/4" holes across the front. It is loud.

Steve

I was digging around in my utility room and came across a 3400 that definately wasn't a shelf queen. At some point somebody had done the "keep drilling holes" muffler mod.

 

[blk05crew]

yup. That's why I like the side vents that Mark uses.

Yeah that is the only way I do them. My 3400, 3700, and both red 3.7's have the side exit just like the 4000 stock muffler. They look stock with that mod, sound good and wakes the saw up a bit. Plus you can do that mod in about 20 minutes.

 

[ChipsFlyin]

Yeah that is the only way I do them. My 3400, 3700, and both red 3.7's have the side exit just like the 4000 stock muffler. They look stock with that mod, sound good and wakes the saw up a bit. Plus you can do that mod in about 20 minutes.

I muff modded most of my saws that have restrictive mufflers. Even with a saw adjusted to an optimum tune those mufflers hold in excess exhaust, heat up and are a recipe for carbon buildup and scored pistons.

With a regular torch, small chisel and small hammer you can get the mod straight on the outer edge.

 

[blk05crew]

I muff modded most of my saws that have restrictive mufflers. Even with a saw adjusted to an optimum tune those mufflers hold in excess exhaust, heat up and are a recipe for carbon buildup and scored pistons.

With a regular torch, small chisel and small hammer you can get the mod straight on the outer edge.

That looks really good, almost factory.

 

[Acornhill]

I muff modded most of my saws that have restrictive mufflers. Even with a saw adjusted to an optimum tune those mufflers hold in excess exhaust, heat up and are a recipe for carbon buildup and scored pistons.

With a regular torch, small chisel and small hammer you can get the mod straight on the outer edge.

Key lime?

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[rocketnorton]

I say just grab a bigger saw if you need one. If I started I would probably be in big trouble

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+1

 

[ChipsFlyin]

That looks really good, almost factory.

Thanks. That was the 3400 and muff mod that I did before joining AS. Pulled the pick from my 1st post on the Poulan thread almost 400 pages ago - page 1584.

Key lime?

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Yup.

 

[blk05crew]

Thanks. That was the 3400 and muff mod that I did before joining AS. Pulled the pick from my 1st post on the Poulan thread almost 400 pages ago - page 1584.



Yup.

Do you guys that do this same muff mod put the spark screen back in or leave it out after you drill out the diffuser? I leave mine out.

 

[ChipsFlyin]

Do you guys that do this same muff mod put the spark screen back in or leave it out after you drill out the diffuser? I leave mine out.

I leave them out. Here's the way I look at it, if the saw is running right with no carbon buildup, the filters are good and have a good seal not taking any dirt into the piston the saw really should not be producing any sparks unless there is a major problem. I have only seen sparks from a chain that is being pushed on too hard, running really dirty or way to dry.

Another factor that plays into the equation is where I cut is usually not that dry. If there is something like drought conditions or I lived in a place that was dry all the time I would probably reinstall for a period of time or leave in all the time. That's just my 2 cents.

 

[Acornhill]

I think I spend $200 in duck bills a year. Between 3400, S25DA and 245a fuel caps I go through a lot

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[ChipsFlyin]

I think I spend $200 in duck bills a year. Between 3400, S25DA and 245a fuel caps I go through a lot

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Like these?

 

[Acornhill]

2 more

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[Hoggwood]

I think I spend $200 in duck bills a year. Between 3400, S25DA and 245a fuel caps I go through a lot

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I know the feeling.

Throw in some Homies and it really starts adding up.

 

[pghsteelworker]

Picked up a few carb kits from a local shop and they start to add up quick.

 

[ChipsFlyin]

Picked up a few carb kits from a local shop and they start to add up quick.

View attachment 486698 View attachment 486699

5 bucks for an actual Walbro carb kit is a good price. After picking up your parts you can run right down the street and get a bite to eat at the Bonfire.

 

[pghsteelworker]

They treat me good there. The Bonfire is only a couple miles from home. We eat there often. Best fish in the valley.

 

[ChipsFlyin]

They treat me good there. The Bonfire is only a couple miles from home. We eat there often. Best fish in the valley.

PM'd

 

[Acornhill]

True 361 306 245 guide plates. Note the outer plate has no adjustment slot or oiler holes

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[Acornhill]

Here are the twins all ready to go to work

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[Acornhill]

One more for any new members

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