Why is my sho running bad at high RPM

bharp555

New member
I have a 2013 sho with livernois 93 octane v9 tune. The car has always ran good and strong but recently i noticed when the cooler air comes it starts hesitating at around 5500 rpm's in second only that i have noticed. i know this is not the best description, but it is the best i can explain it. Has anyone else had a similar problem or have any ideas of what could be wrong?
 
How many miles on your SHO? when did the issue start? due update your signature with a list of mods you may have,thanks.  Z
 
It could be the v9 tune. Some strategies (mine) had an issue with it. If it stutters you should move to the V10 tune first and see if it clears up. That is what Livernois told me quite some time ago.

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I was one of the first to try out the V10 tune last fall and IMHO its by far the best tune to date and would also revert back to stock tune to see in fact your issues still persist but you can always email them to request a new updated tune at tuning@livernoismotorsports.com.  Z
 
Thanks for the response. I loaded the V10 tune and have not had any issues yet so maybe that worked.
Also my car has 114k on it.
 
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