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but i actually think i can feel the difference between whatever honda puts in for oils changes, and my mobil 1 synthetic that i just put in. it feels like it runs smoother haha. i feel stupid because it's such a simple thing that i shouldn't even notice, but i think i do!

 
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well you should know best, no one else can tell you how your car feels because they dont know how it runs like you do

 
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Don't forget too that after an oil change your car feels smoother anyway, even if it's the same brand of dino juice that was in there before.

That said, I swear by my Motul.

 
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^^ That's true. You would have to compare new stuff to new stuff...

 
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all i know is i feel a noticable difference from the last time i changed my oil. it's really amazing. if you haven't already, please go get some Mobil 1 synthetic in your car right now! haha. my skunk2 catback should be coming soon, maybe even tomorrow... it's a good week for my car!

 
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yea i to feel a difference to when i change mine to, i change it to redline

 
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Full synthetic is proven to add 2% increase in HP. That would be 2.5. My Amsoil really is slick stuff..probably more!

 
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are you people being suriouce??