08-09-2011, 10:20 PM
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CC Member
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Join Date: Sep 2009
Location: Camarillo,
CA
Cobra Make, Engine: SPF #2608, Roush 427SR T-W
Posts: 911
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Not Ranked
I only use Castrol Synthetic 5w-30w in my Cobra. I'm biased because I work for the company that owns Castrol. Just call me a company man. The only problem is when I switched to synthetic it drips a little. Roush said to use 30w oil and synthetic was ok after 3,000 miles on the engine.
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