April 2022 Propwash Web

PROPWASH 8 April 2022 34 mm exhaust 34 mm intake 36 mm exhaust 36 mm intake On the following page are pictures of the slugs in cylinders. Note how the bottom of the exhaust port is not widened as much as the top. Also, some modifiers prefer an arched exhaust port top. Zenoah Porting Epilogue By Lohring Miller NAMBA Safety Chairman In my article Zenoah Porting 101 I didn’t specify the dimensions of the porting slugs I used. This article has drawings and pictures for anyone who wants to use these or similar methods to help with porting Zenoah's and their clones. Below are the dimension drawings of the slugs for 34 and 36 mm bore cylinders.