Quote:
Originally Posted by Speed74SS
My friend has an 06 STI that has had "some work" done to it and it is very fast!! We hit the road track the other day and went from a 40mph roll on the long straight. We were almost dead even up to 140mph. The dyno numbers are pretty close to each other. I put both dyno's up for comparison. We have a lot of fun driving around 
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Lots of factors come into play like gearing. The STi's gearing is really tight (close ratio). You have to shift into 5th gear around 95 mph in an STi.
I remember in my 04 STi having to shift into 5th gear going down the 1/4 mile.
That works great for rally racing, but all that shifting can have a negative effect racing in a straight line. But those close ratios keep the engine in its sweet spot from basically any speed.
Picked this up over in NASIOC
Top Speed in 1 gear = 36.740 MPH
And changes into 2 gear at 4570 RPM dropping 2430 RPM
Top Speed in 2 gear = 56.272 MPH
And changes into 3 gear at 5198 RPM dropping 1802 RPM
Top Speed in 3 gear = 75.776 MPH
And changes into 4 gear at 5330 RPM dropping 1670 RPM
Top Speed in 4 gear = 99.526 MPH
And changes into 5 gear at 5067 RPM dropping 1933 RPM
Top Speed in 5 gear = 137.490 MPH
And changes into 6 gear at 5412 RPM dropping 1588 RPM
Top Speed in 6 gear = 177.821 MPH