Nik's Poulan Thread

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Thanks for the tips, unfortunately I didn’t have any of them tools. Since I had the crank out of the saw, I used a socket under the piston on flat side, and some screws and a press and pressed the pin in and out. It worked, but I need to be on the lookout for the proper tool.


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Funny, I’ve been using my 3.7 (one of my first carb jobs) a lot lately. I have thinned out a lot of saws. But this is one of a few that stays put. I hadn’t used it in a few years. Fired right up but pi$$ed fuel out from the top. The lines I ran 10 years ago shrunk so I ran a new one and re tuned. Had a good 20” bar and mostly sharp loop of rsc on it. Ran right thru some bar deep frozen red oak. All stock but a 4000 intake and one of marks 5200 style mufflers160 psi. I’ve had 3800 and 3400 saws and these thin ring saws are noticeably stronger. When I had my 4000s I couldn’t tell the difference and those were tight saws.
Found a cool coke bottle from
The 80s and a nice blue quart Ball jar.View attachment 876955View attachment 876956View attachment 876957

The thin ring saws like the 3700 and 4000 or 375 and 395 always had more compression than the thick ring saws like the 3400 and 3800.
 
I’ve got a couple more questions on my poulan 3700 build.

What is the best material to use to make an oiler diaphragm for a poulan 3700.

When I try to install the seals, it always bends up the outer edge of seal. It’s in a different spot each time. I tried with 3 seals. Any tips on preventing this. I’ve never had this much trouble installing seals in a saw.


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I’ve got a couple more questions on my poulan 3700 build.

What is the best material to use to make an oiler diaphragm for a poulan 3700.

When I try to install the seals, it always bends up the outer edge of seal. It’s in a different spot each time. I tried with 3 seals. Any tips on preventing this. I’ve never had this much trouble installing seals in a saw.


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take a small knife and chamfer the hole and they will go in.
 
If anyone here is bidding on the Poulan Pro 375 on the 'bay make sure you read the full description. It says "Poulan Pro 375 Farm Pro/ Nice running chainsaw" but in the description it says "seized estate find as is." I messaged the seller and he confirmed it's seized so buyer beware.
 
Hope everybody had a Merry Christmas!!!! I've been cleaning today. Took a little time and finally installed the felling dog that I got from Modifiedmark. Thanks again!!!
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Before
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After
Now with that done I do have one question for everybody. I was doing some searching through Poulan parts diagrams and found the dimension on the correct screws needed for the exhaust but I guess my question is what is the actual correct style screw. From what I've found it's a 10-32x1/2 screw. But what kind of head should it have?? Was just gonna go to the hardware store and pick them up. Will include what I'm working with right now. The actual screw that is in the one hole has to big of a head and so will not seat properly as you will see in the picture. Is it like the one pictured on the right?? Trying to keep it original if that makes sense instead of just making it work. Have a 28" Oregon bar and full chisel chain coming for it. Only been waiting 3 weeks for it but that's USPS for ya. Ready to play!! Thanks guys!!!
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20201226_162909.jpgTook the 5200 out to earn its keep today. Needed a bolster as of the lack of side boards, so I free hand milled that big piece of oak on the trailer with the 5200.
Finished all my big cuts with it and it just shut it self off? Haha I think the original switch is starting to go. Oh well she fired back up after getting home.20201226_155926.jpg
 
Joe, I have a red and black 3.7 like yours and a 4000. Running them back to back the 4000 just seemed to have more power and torque. Maybe not a lot but it was noticeable. Those 2 saws along with a PP375 and a 3800 with 3700 top end get a lot of use around my place.
Might be right, been a while since I had my 4000s or PP395s. The 3.7 is the last of my countervibes. Aside from my 3.7 I use my 3450 (type III) a lot. That’s my favorite series.
 
I've got a PP365 and a 3500 but hardly ever use them. If I could find a couple of 18" 3/8 pitch bars they would get used a lot more. Just don't really care for .325 chain.
My 365, 330, 3450 and 3750 all came with .375”. My 305s, 335s and their green counter parts were all .325”. I don’t care for it either. If I’m in the small stuff I like 3/8”lp when I need a less grabby chain.
 
I've got a PP365 and a 3500 but hardly ever use them. If I could find a couple of 18" 3/8 pitch bars they would get used a lot more. Just don't really care for .325 chain.
Both those saws came with 3/8. Switch them over. Both being 60cc will pull it with NP.
 
Need some tips here. I’ve got a poulan farm pro 375 with a rusted up crank. I need to remove the piston and install the piston on a 3400 or 3800 crank. It looks like the piston pin is pressed in. Any tips on removing it without damaging anything? Thanks


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Got this from Chris in Pa on the CRG FB you are in too. Nice outfit and cheap to buy. Goes by SawSalvage on FB and Duke on forums. $23

https://www.sawsalvage.co/products/...ch-press-fit-wrist-pin-extractor-removal-tool
 
There should be plenty available. I'd send you some but have already disposed of every 18" bar that I've ever owned. Don't even allow them on my place. It's either 16's or 20's here.


Mike
Same way here. 16 or 20 preferred.

But keep ending up with OEM K041 18" 3/8 with replaceable sprocket tips on saws that I get. So they get hung up to go on saws I sell local if it was needed.
 

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