Bill, Based on my limited experience, you have two options:
1) Keep 'em in a zip-loc bag with a wee bit of talc powder, squirreled away in a dark, cool place...only to be seen and fondled on rare occasions. Like a fine cigar you'll never smoke or a bottle of wine you'll never drink.
or
2) Accept that the entropic process is inevitable and there is even a strong possibility they'll deteriorate and/or fall apart in your hands before you even get to ride the bike you bought 'em for!
Long story short, I've found that there aint much you can do if'n ya wanna ride 'em. Drying/discoloring is part of the thang...Expect to drop Robbie Fellows a line within a year or so!
Matthew Bowne
Brooklyn, New York
> To: classicrendezvous@bikelist.org
> Date: Wed, 23 Jun 2010 14:01:21 -0400
> From: seatown7@aol.com
> Subject: [CR] Rubber Hood Care
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> Having just paid a great deal for some NOS rubber hoods, any suggestions on care and feeding? I know enough not to Armour All them.
>
> Bill Koonce
> Seattle, WA