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STI 9 TOP SPEED @ 10,000 RPM

Old 09 February 2019, 08:49 PM
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R34GTR
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Lightbulb STI 9 TOP SPEED @ 10,000 RPM

Has anyone Built a High Power ,High RPM STI 9 with over 700 WHP and tested its Real World Top Speed at a Top speed event like VMAX etc ?

I have seen a 2007 STI do 191MPH on GPS at around 7K RPM ( I believe it has the same gear ratios as the 06 STI on 4th ,5th ,6th Gears)
see this video

I have seen a Top speed of 204.8 MPH on a DYNO on a 06 STI at the standard rev limit

The Gear Ratios on a 2006 STI 9 are as follows

1st = 3.636:1
2nd = 2.235
3rd = 1.521
4th = 1.137
5th =0.891
6th = 0.707

Final Drive Ratio 3.900

Tyre size 245/50/17

Drag Co-Efficent 0.37

Car Weight 1495 KG

I checked the theoretical top speed on this website
http://www.catherineandken.co.uk/sti/tyres.html
it calculated the car is Geared to 273 MPH
I do not believe that is correct but would like to know what TOP SPEED people have had from an 06 STI

Last edited by R34GTR; 09 February 2019 at 09:02 PM. Reason: to prevent confusion as to what I believe the top speed is .Theoretical is exactly that
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Old 09 February 2019, 08:50 PM
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wrx2005
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no chance
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Old 09 February 2019, 09:28 PM
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Turbovin
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You could ask if this one is still alive

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Old 10 February 2019, 05:25 AM
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R34GTR
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Originally Posted by Turbovin View Post
You could ask if this one is still alive

https://www.youtube.com/watch?v=6mLAy40gYFg
I know this car it's made by Gotitrex does 140 mph in 3rd Gear but only has a 5 speed so not the same as a STI 9's six speed but good shout .great car shows what difference having a High RPM engine makes .

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