
04-21-2004, 04:56 PM
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Senior Club Cobra Member
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Join Date: Jul 2002
Cobra Make, Engine:
Posts: 15,712
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Not Ranked
I checked out that web site too and concluded I would go with 20-50, Amsoil 'cause I'm in a warm climate zone.
BUT, I'm staying with regular oil because I worry about the 427 FE compatibility issues with synthetic. Like old Harleys and old Jaguars it might make the motor "leak".
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