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       #Post#: 90659--------------------------------------------------
       Poulan 4000 3700 3400 bore stroke 
       By: Chainsawrepair Date: June 6, 2024, 8:39 am
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       Just saving old info to it's on thread so not buried.
       Using these numbers I come up with this. All close enough to
       give folks real cc.
       4000 49.2mm 33.5mm  63.69cc
       3700 47.7mm 33.5mm 59.86cc
       3400 46mm 33.5mm 55.67cc
       Then Tim's info again.
       Here are the actual displacement numbers in that series for the
       heck of it. The stock stroke was measured by a machinist that
       made a stroker crank for a 3400.
       Poulan 3400, 4000 saw stroke is 1.319" (33.5mm) and displacement
       Volume of a cylinder V=&#960;r2h (volume = pi X (radius squared)
       X height (stroke)
       3400 3.14159 X (1.81/2 )squared X 1.319 = 55.614 cc
       3700 59.681 cc
       3800 59.9999 cc
       4000 63.562cc
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