Thread: Cheap AOS
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Old 08-08-2015, 11:36 AM   #13
BYprodriver
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Join Date: Oct 2008
Location: O.C. CA
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Quote:
Originally Posted by Gelbster View Post
Interesting progress here.
There seem to be 3 parts to the AOS upgrade issue?
1. substitute barbed brass pipe connectors into the stock plastic connections of the AOS - cut +epoxy.This allows easy connection of generic hose.
2. collect any oil condensate from a correctly functioning AOS in a small catch can -like the Jegs one linked previously.
This also serves as a catch for any larger volume of oil dumped when the AOS diaphragm begins to fail . Functions as a visual early warning system ?

3.The big challenge is to upgrade the material of the diaphragm to something that is unaffected by heat & oil fumes. Viton seems the obvious choice but I am guessing. Replacing the diaphragm would require careful slicing of an old AOS and then glue-ing in a Viton replacement. A 9" diam plain Viton diaphragm is $7 on EBay.I have no idea if it would work but is sure big enough for several attempts !!
Viton Fluoroelastomer Disc Rubber Gasket Material 9 inch Disc x 1 16" 1 Piece | eBay
I have wanted to do this but never get around to it, I'll send you my extra AOS if you are ready to experiment.
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