Author Topic: craftsman 3.7 compression  (Read 523 times)

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Offline The Ripper

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Re: craftsman 3.7 compression
« on: June 24, 2019, 12:41:32 pm »
yes it's a Lisle. The black craftsman I bought from you and partner R16 i have register 150 plus and my 3.7 125 psi. you can tell the difference just by pulling. Now when I apply oil film to the 3.7 the difference is night and day. When I first pulled this saw apart the piston, ring grooves and bore was in mint shape but one of the three is keeping it from building pressure or poulan at the time machined the compression chamber different to lower compression for craftsman, just guessing here.
 
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