Author Topic: 090 over bore (Read 291 times)

ej · « **on:** February 16, 2018, 03:32:47 pm »

Building a 090 with a 70mm piston in it with a hr carb for gtg on gas

3000 FPS · « **Reply #1 on:** February 16, 2018, 08:17:22 pm »

Wow that is like 2.75 inches. That should be interesting.

Cut4fun . · « **Reply #2 on:** February 16, 2018, 08:27:46 pm »

Sound right? 70mm 40mm = 153.94cc

Cut4fun . · « **Reply #3 on:** February 16, 2018, 10:06:57 pm »

EJ's pics on CR G

jmester · « **Reply #4 on:** February 16, 2018, 10:17:56 pm »

Looks like a custom thin ring piston? That saw should be a wild ride.

Cut4fun . · « **Reply #5 on:** February 16, 2018, 10:43:28 pm »

Looks like a custom thin ring piston? That saw should be a wild ride.

ej · « **Reply #6 on:** February 17, 2018, 11:25:02 am »

Thanks Kevin my pics would not upload

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