Quote:
Originally Posted by SINISTER
Mobil 1 Extended Performance 5w30 in my Z. Screw the dealership....if it has been good since the 370z started that's nearly 9 years...and I have read of zero engine related failures or problems in this car. In fact after exhaustive research and trial and error I concluded this is one of the most reliable performance cars in existence that's why I purchased it so ...why the change? I am not buying it OP...
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So, I was looking at the Mobil1 EP vs Regular Mobil 1 Syn, and I see that the specs are identical. The only thing it appears that you get with the EP is extra price and a 25,000mile Guarantee?