So, I've seen a lot of posted pics/videos of the 10-12 SHO's without the performance package doing 90mph at 2000 rpm in 6th gear. 

I DO NOT HAVE a PP equipped SHO, I have adaptive cruise control in my 2014.  With that being said, 2000 rpms in 6th gear is 80mph, documented in multiple datalogs.  This calculates out to being a 3.16 gear ratio.

Did the gearing change for all SHO's?  I can't find anything on the internet about it, just that 3.16 came in the PP and all others had 2.77.

-Rob

90 mph in 6th @ 2,000rpm's? That's incorrect. Here is a video of my 2011 non-pp SHO cruising and at the 9 second mark in the video you can clearly see the gauges showing 80mph is right at ~2,000 rpm's.

https://www.youtube.com/watch?v=4M1Nt4rXHag

Gearing is the same on SHOs for all years fom 2010 forward.  Standard is 2.77 and PP is 3.16.   Transmission gear ratios are the same for both.  80 mph is around 2000 with the 2.77.

Quote from: Brucelinc on May 17, 2016, 06:35:39 PM
Gearing is the same on SHOs for all years fom 2010 forward.  Standard is 2.77 and PP is 3.16.   Transmission gear ratios are the same for both.  80 mph is around 2000 with the 2.77.

I wonder where a 3.16 at 2000 would be mph wise?

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Quote from: JeffsSport on May 17, 2016, 07:00:04 PM

Quote from: Brucelinc on May 17, 2016, 06:35:39 PM
Gearing is the same on SHOs for all years fom 2010 forward.  Standard is 2.77 and PP is 3.16.   Transmission gear ratios are the same for both.  80 mph is around 2000 with the 2.77.

I wonder where a 3.16 at 2000 would be mph wise?

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What do you mean jeff?...for me, the 3.16 is wise from 0-160mph

Never mind i think i see what you are asking...i wanna say im at 70 at 2k

Quote from: AJP turbo on May 17, 2016, 07:47:36 PM

Quote from: JeffsSport on May 17, 2016, 07:00:04 PM

Quote from: Brucelinc on May 17, 2016, 06:35:39 PM
Gearing is the same on SHOs for all years fom 2010 forward.  Standard is 2.77 and PP is 3.16.   Transmission gear ratios are the same for both.  80 mph is around 2000 with the 2.77.

I wonder where a 3.16 at 2000 would be mph wise?

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What do you mean jeff?...for me, the 3.16 is wise from 0-160mph

Never mind i think i see what you are asking...i wanna say im at 70 at 2k

Yes that's what I was asking. Thanks

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Maybe this calculator will help, not sure what the gearing for the XSport would be tho ...
http://kabamus.com/garage/gears.html
http://www.apexgarage.com/tech/gear_ratios.shtml

Quote from: SHOdded on May 17, 2016, 08:05:30 PM
Maybe this calculator will help, not sure what the gearing for the XSport would be tho ...
http://kabamus.com/garage/gears.html
http://www.apexgarage.com/tech/gear_ratios.shtml

I believe XSports are 3.16 like the PP SHO's. Thanks for the calculator

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A SHO with PP will go 35.1 mph for each 1000 rpm in 6th gear.  Source is Sept 2009 edition of Car & Driver.  Sho road test.

So apparently I added some human error into the mix, and input the wrong tire size (not paying attention) in the online calculator.