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Discussion Starter #1
I want to tune my GT Sport like this: 4.7

Any ideas on cost/ECU flash? Is it worth it? I’ve got 33k miles...
 

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That's an impressive and unusual full range improvement... Almost as if they simply entered an altitude correction, or some such, into the dyno parameters and overlaid it. It's almost too perfect; I'm not accusing or saying it's not possible, but very impressive if it is.
 

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Discussion Starter #4
That's an impressive and unusual full range improvement... Almost as if they simply entered an altitude correction, or some such, into the dyno parameters and overlaid it. It's almost too perfect; I'm not accusing or saying it's not possible, but very impressive if it is.
Thanks for the questioning! I’m a spark plug changing person so I wanted to check fact from fiction on ECU difference. Plus I don’t ever expect to hit those numbers anyway... Those run ups look like very expensive fluid changes afterwards...
 

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We've done a good bit of tuning on the GT / GT-S, there's only so much power to be added to this model. Some companies have expressed larger gains on the GT but truly if it was there, we would find it. Expect around +20-30hp gain depending on the model. Cars like the Ghibli / QP6 w/ Turbo's we can get 80+hp improvements. For what it's worth though, we do currently have our tunes on sale, feel free to reach us directly by phone or email and we'll be happy to help!

Best Regards,
 

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Discussion Starter #7
You can make some improvements on a normally aspirated car, but the results are not huge like a turbo car...Jason
Thanks for the feedback. Its a 2014 w/33k.. I wanted to start with the basics first to see the improvement (not like it was poor performance before). I just changed my plugs (DENSO IU24) and air filter (amazon)..
WOULD NOT ADVISE DIY PLUG CHANGE. 7&8 plugs are hidden monsters and those cylinders are 6 inches deep.

Went from 15mpg to 19mpg and has that quick responsiveness from 40mph to 60mph. Trans seems to shift to next gear quicker too...
128659
 
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