Thorp Air Command - T18.net

Supporting Owners, Builders and Pilots of the Thorp T-18 and its variants.
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Lou
 Post subject: Re: O-290 pistons
PostPosted: Wed Jul 12, 2017 5:06 pm 
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Joined: Sun Feb 12, 2012 4:04 pm
Posts: 362
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Location: San Bernadino, CA
How are these pistons going to me made?
Any room for custom comp. ratio?
900 for titanium pins and total seal rings?

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DanaL
 Post subject: Re: O-290 pistons
PostPosted: Wed Jul 12, 2017 5:53 pm 
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Joined: Mon Nov 09, 2009 9:39 pm
Posts: 27
Location: USA
The pistons will be CNC'd from forgings. What compression ratio you looking for? 9310 pins per the suggestion of my piston guy and Deves rings. Deves are more user friendly in our air cooled engines. Let me know what you are looking for. I'm also going to have the pistons and pins match up to standard O-290 parts weight wise so if you just want to top your engine balance won't be an issue. If you really want Ti pins we can do that but they are more $$, I didn't even price them.
I just ask for your patience and tolerance here as we are in the middle of horse show season and I do crop hay all summer.

Code name "Lizard Man"
The Possum Works


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DanaL
 Post subject: Re: O-290 pistons
PostPosted: Wed Jul 12, 2017 5:57 pm 
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Oh, just to be clear, $900, may be slightly more or less for everything, pistons, pins, buttons and rings.

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The Possum Works


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