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Old 04-12-2017, 02:35 AM   #11
RJasonKlein
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Join Date: Jul 2014
Drives: 2013 Scion FR-S 10 Series
Location: Clarendon Hills, IL
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Quote:
Originally Posted by kbraun94 View Post
Pretty nice setup you have! It's pretty close to what I had in mind (updated FDR, UEL header, air intake, tune). So what would an extra 4% do to it, out of curiosity? Too much?
No, my gut feeling is that a 4.67:1 final drive would be just fine, although with the extra power from the header and tune I'm not sure it's necessary. Like I said, I think the 4.56:1 setup is just about perfect - there's a very noticeable mechanical advantage over the stock final drive (my car is a 2013, so it had a 4.10:1) without it being buzzy or ridiculously short.
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