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It's never a "BAD" thing, but don't get it thinking you'll get gobs more power. You'll cool down your IAT's, and that's always good. May help with longevity.
 

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If you'd like to take the path of others, TGV deletes and an EBCS would be a good next step. Nice numbers.

Also, as far as oil is concerned, you'd be fine to stick with the 5w40 for winter as well. The end number is the warm weight. If anything, you'd switch to 0w40 for winter so you're that much farther from pumping glue on startup.
 
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