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Old 11-05-2008, 06:22 AM
Bikeguy Joe Bikeguy Joe is offline
Godfather of Motorized Bicycles
Join Date: Jan 2008
Location: up north now
Posts: 11,531
Default Re: Mixing Castrol r30 castor with synthetic oils

I'll just comment that castor, while the most awesome of all oils, does build up a bullet proof layer of carbon like "stuff" in no time. It seems to make the piston seal better and add a resilient coating sorta like a natural teflon.
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