Author Topic: Poulan 365 (Read 9630 times)

Cut4fun . · « **Reply #130 on:** July 13, 2016, 09:05:58 pm »

Quote from: 3000 FPS on April 11, 2016, 06:21:21 pm

Well guys I finished up my second PP365. List of things done on this saw.
Opened up the ports. Intake and exhaust.
Ground on the top of the transfer ports to direct them a little more towards the intake.
Opened the bottom of the transfer ports a little.
Thinned the bottom of the divider between the transfer ports to get better flow.
Dropped the cylinder to a squish of .022"
Port matched the intake rubber boot to the cylinder.
Port matched the muffler to the exhaust port of the cylinder.
Installed new crank seals.
Advanced the timing.
Installed a new OEM piston and ring.
The cylinder was a used one I have had hanging around for the last 3 years or so.
I used a ball hone on it to soften all the edges of the ports. Less chance of hanging a ring. Then ultrasonic for getting it really clean.
Changed the carb over from a HDA 49 to the HDA 164. Bigger carb.
Installed a new rubber intake boot for the larger carb.
Put on a used metal plate and gasket that goes between the carb and rubber intake boot. Required for the bigger carb. I got it from a 330 parts saw.
Modified the muffler.
Tuned the saw to 4 stroke at 13,000 RPM's with the bar and chain on.
This is not a race saw but a good running working saw that I will use in the mountains come summer time.
One more thing about the PP365 is that it weighs less than the 3750 but with these modifications it now has the same output power.

Ran the saw today and it will flat get with the program. I really like this series of saws from Poulan and with the right modification can really be made to run.

First a few pics of the cylinder while I had it off and all the work was completed on it.
Then a few more pics of the muffler mod.
The pic with the flat piece of metal laying next to it is what I used to do my muffler mod.

Roger, I was looking at the 365 air filter style used on the 49 carb. The opening that goes to carb side in AF. The 164 137 big carb with bigger area.

Did you open the hole in the air filter up to match carb as close as possible?

Seems like we should be doing this if there is very much difference, just from my quick look today without any measuring.

Thinking of pulling my 60cc 365 tank and putting it on the 49cc and using the 3450 330 etc tank on the 365 instead of the other way.

3000 FPS · « **Reply #131 on:** July 16, 2016, 12:32:17 pm »

Sorry I was up in Yellowstone again on another horse back trip.

I will to check the air filter on that Poulan 365 now that it has the bigger carb. I do not believe it was something that I did to it. Thanks for the reminder.

Cut4fun . · « **Reply #132 on:** July 16, 2016, 01:09:32 pm »

Quote from: 3000 FPS on July 16, 2016, 12:32:17 pm

I was up in Yellowstone again on another horse back trip.

Must be nice. Wish I could afford a vacation back out there just for the site seeing.

Guess I will see what is retirement like when the son is all out of college etc. Then maybe then I will take the trip to show the wife where I used to live out there in the early 80's.

Cut4fun . · « **Reply #133 on:** July 16, 2016, 06:01:10 pm »

Quote from: 3000 FPS on July 16, 2016, 12:32:17 pm

I will to check the air filter on that Poulan 365 now that it has the bigger carb. I do not believe it was something that I did to it. Thanks for the reminder.

I just checked air filter base to big carb. Wasnt off near as bad as I thought on quick look see.
Looks right at same going around on top and lower. The sides could be opened some near the carb bolt area.
Is it really needed? Maybe maybe not. $:-\$

3000 FPS · « **Reply #134 on:** July 16, 2016, 07:33:50 pm »

Quote from: Cut4fun . on July 16, 2016, 06:01:10 pm

Quote from: 3000 FPS on July 16, 2016, 12:32:17 pm

I will to check the air filter on that Poulan 365 now that it has the bigger carb. I do not believe it was something that I did to it. Thanks for the reminder.

I just checked air filter base to big carb. Wasnt off near as bad as I thought on quick look see.
Looks right at same going around on top and lower. The sides could be opened some near the carb bolt area.
Is it really needed? Maybe maybe not. $:-\$

Yep I just got through checking it out. I took a burr and flex shaft and opened it up where the sides are for the carb bolt areas are. May not make much of a difference but I did it anyways. You can cut it back just enough to get the clearance without going all the way through the plastic where the two mounting screws are for the filter.

3000 FPS · « **Reply #135 on:** July 16, 2016, 07:37:34 pm »

Quote from: Cut4fun . on July 16, 2016, 01:09:32 pm

Quote from: 3000 FPS on July 16, 2016, 12:32:17 pm
I was up in Yellowstone again on another horse back trip.

Must be nice. Wish I could afford a vacation back out there just for the site seeing.

Guess I will see what is retirement like when the son is all out of college etc. Then maybe then I will take the trip to show the wife where I used to live out there in the early 80's.

It is nice to go and do these things but this trip got canceled a little early. To many train wrecks with the horses and mules and so I told the BIL that it was time to pack it in and come out before someone got hurt bad. I am getting to old to be taking any chances on horses or mules that will not behave in some pretty remote wilderness. The BIL was disappointed but oh well.

Cut4fun . · « **Reply #136 on:** July 17, 2016, 05:50:53 pm »

Making a 365 into a 380 with bigger carb and intake with look of 365 still with 3450 tank.

365 was rebuilt from split crankcase up already. Just figured if I was going to put the big carb and intake on the 49cc, what not put it on the 60cc. So all the switching begins.

Putting 365 tank on the craftsman bare bore 3000 with tank seam leak all the way around.

Having to change out a 3450 crankcase with bad bearing and seal. For crankcase I have already done waiting for a few years on shelf.
Tank had missing duckbill, brass etc creating a leak too.

Cut4fun . · « **Reply #137 on:** July 20, 2016, 06:37:58 pm »

365 with the 3450 330 3750 380 tank. Plus their bigger carb 164 and bigger intake.

1. Remember with this set up to put the intake bolts in first

. Before you have it semi together ready to put carb in

. or you will pull it back apart to do so.

2. Make sure you put the metal piece in intake and gasket between the carb and intake before you have carb on and start to tighten down.

3. Remove all the air filter set from the 330 3450 etc and use the 365 metal bracket on 3450 tank to run the 365 air filter and cover.

She runs. Just not ready to fish today.

Cut4fun . · « **Reply #138 on:** July 21, 2016, 01:01:56 pm »

Just put the 3/8 7T rim on and 20" to make some test cuts. Cuts just like the stock PP380 3750 with 365 lower looks

. Which we already new that was going to be the outcome.

Cut4fun . · « **Reply #139 on:** July 24, 2016, 12:23:00 pm »

Yesterday I seen 99 on outside temp and 100 in barn. Anyhow wanted to do some more test cuts to tune the 365 with the big carb, big intake and the 365 oem air filter set up.

After I get done cutting I like to let the saw idle for a while. Just to see I have everything right.

I think I ended up with the L to fat being after awhile the saw quit. Would not start afterwords. Not even with a prime. No pop nothing.
I checked coil etc. Turned out it had flooded itself idling and I let set over night without plug. Fired right up this morning.

To get the throttle response I like off of idle to WOT I had gotten close to 1.75 turns out. I hate any lag off idle to wot. So I will go back later and see if I can find a happy medium.

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Author Topic: Poulan 365 (Read 9630 times)

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