Author Topic: Poulan 295  (Read 6055 times)

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Offline 3000 FPS

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Re: Poulan Pro 295
« Reply #10 on: April 29, 2013, 03:53:21 pm »
Well I have been working on another Poulan 295.  I like these saws they are easy to work on and modify and respond very well.   I put a .325 18" bar on this one with a 7 pin rim, and yes I did find a rim sprocket for it.   I did a compression test before starting and it was 150 psi and really not bad.   The squish was at .040".   

  So the mods I did I took the lazy way out and did not mount a degree wheel to check any of the numbers I just modded it.    I raised the exhaust port just alittle and widened it.   I took the muffler apart and cut the deflector open and put a spark arrestor around it.   I then double ported the outside of the muffler and matched it to the the exhaust port on the engine.   Then I welded it all back up.

   The intake port I widened and lowered it alittle.   The transfers I pointed toward the intake port but did not raise them.

    The squish which was .040 I took it to .020" and ended up with 160 psi.    So I am happy with that because I raised the exhaust port.    Next I checked it for free porting because the cylinder did drop by .020" and no free porting.   

   I did put new main bearings and seals but I kept the same piston and rings in it.    I then advanced the timing I would say around 4 degrees.

    The saw started real easy and idles real good.   I tuned it in some wood and with good 4 stroking was able to get 14,000 rpm out of it so far.   

  All in all I am happy with the out come and with the cost of the power head at 50.00 and the bearing and seals around 20.00 and have a but kicking little 46cc saw for 70.00 bucks.   Here are a few pics.
PP 505, 475, 445.

 

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