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There should be no confusion. The power difference is massive. I have the v1.4 software and Shell V-power 93 octane. The difference from stock is staggering. I will say this, you should let your car completely warm up so the oil temp is around 200F before your doing a lot of WOT testing. I can tell a difference between a cold and warmed up car.
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 Any man who can drive safely while kissing a pretty girl is simply not giving the kiss the attention it deserves. ~Albert Einstein |