REFLECTOR: Lycoming IO 360 C1E6

[Karl J. Warner]

Here's a post on vansairforceforums:

Found some Viton stem seals today at the local cylinder head re-manufacturer for 20 bucks. These ones fit snugly over the guide so I decided to go with them.

To get the valve springs off I made a fitting for the lower plug hole and pumped compressed air into the cylinder with the piston at the bottom of its travel and both valves closed. This held the valve up nicely while I removed the springs and collets with a modified spring compressor tool thats used on cars. It all worked a treat and took less than 15 minutes per cylinder to do.


On Mar 19, 2014, at 10:41 AM, Karl J. Warner <karljwarnerpa at earthlink.net> wrote:

> Anyone ever put aftermarket intake valve stem seals on a Lycoming?  Mines always pulled some oil past the intake guides which comes out the sniffle and/or eventually saturates the intake riser gaskets (I fly 80-100hrs a year and change intake riser gaskets each annual for this reason alone).  
> 
> When I looked it up I understand that many continentals have them OEM but not Lycomings.  
> 
> A couple of guys on the Vansairforce site have done this with Honda or other aftermarket automotive seals… wondering about the V community? 
> 
> 

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