Author Topic: modding 440 oiler stihl oilers  (Read 1556 times)

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Offline mdavlee .

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Re: Ms 440
« Reply #20 on: November 09, 2014, 11:02:44 pm »
You can grind that slot more and then make the shoulder ramp a little steeper and that will add more stroke on the whole piston. Both will add flow.

 

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