See how we install pistons in a brand new set of Superior Lycoming Cylinders. The piston rings were already gapped in a previous video which can be found here:
   • How To: Lycoming Piston Ring Gaps  


These cylinders will be installed on a Lycoming O320 engine which will go in a Piper PA 18 Super Cub one of the most popular bush planes here in Alaska.

Even though these are new rings and new cylinders the end gaps still MUST BE CHECKED. The specs for this are found in Superior Service Letter L0401 "Superior PMA replacement Piston Ring gap information for Lycoming engines with choked steel or nitrided cylinder bores or chrome plated cylinder bores." And can be found at:
https://www.superiorairparts.com/tech...

***this video is intended solely as an example of the piston ring fitting & installation process. This task should be performed by a licensed professional following the manufacturers instructions.


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We are a small aircraft engine overhaul and machine shop located in Wasilla, Alaska.

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