Reply To: Fx Impact Mods for more FPS / FPE

Forums PCP Airguns Fx Impact Mods for more FPS / FPE Reply To: Fx Impact Mods for more FPS / FPE

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mtnGhost
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heavy-impact

I set up my new mill last night and modified my rear block and yong heng external plenum. I couldn't get the yong heng filter housing to seal on my rear block before modifying it because the threads were drilled and tapped at a slight angle. I drilled it and the rear block 1/2" and tapped them M14x1.5 in the mill so it's perfectly square with the rear block now. My new lathe won't be here for 3 more weeks so I cut a bolt and drilled it 5/16" for the connector. I'll make one with a larger passage when I get the lathe. I also milled the top of the yong heng housing flat to get a perfect sealing surface. Edosan barrel extension on the left. 👍

 

What's a yong heng external plenum?