02-21-2007, 06:01 AM
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Senior Club Cobra Member
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Join Date: Dec 2001
Location: Shasta Lake,
CA
Cobra Make, Engine:
Posts: 26,597
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Not Ranked
I agree with Rick. I have used both the Ultra Black and had good results with it and the Right Stuff. I think the Right Stuff is better. But that is just my opinion as both worked well for me.
Ron
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