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83 911 Production Cab #10
Join Date: Jun 2009
Location: Ottawa, Ontario, Canada
Posts: 11,134
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Quote:
Originally Posted by gtc
Does the color of the viton matter?
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Well, just like the oil thread, plenty of opinions.
They come in Green, Brown and Black. Color is chemically driven.
i.e. The one you got from McMaster Carr is an A75, A= general purpose sealing for car/avionic fuel and oil and 75 is the hardness.
Here is a few links:
Find the Right Viton Gaskets
Viton seals: What are the differences in colour? - Rubber engineering - Eng-Tips
http://www.jameswalker.biz/nb/pdf_docs/3-o-ring-guide-issue-7
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Who Will Live... Will See 
83 911 Production Cab #10, Slightly Modified: Unslanted, 3.2, PMO EFI, TECgt, CE 911 CAM Sync / Pulley / Wires, SSI, Dansk Sport 2/2, 17" Euromeister, CKO GT3 Seats, Going SOK Super Charger
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