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Old 07-01-2015 | 07:21 PM
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kenh3497's Avatar
kenh3497
 
Joined: Jan 2010
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From: Rockwell, IA
Default Drilling piston for gas port mod

Rather than reserrect a many year old thread (http://www.rcuniverse.com/forum/ys-e...ification.html) I thought I would ask if there is a current document on this procedure. I think there may have been some photos that are now deleted.

Thank You.

Ken

Last edited by kenh3497; 08-20-2015 at 06:50 PM.