I'm at work so I don't have access to any specs, but in my '00 sixth gear yields around 17 mph/thousand rpm. For the sake or arguement, lets say 18 mph/thousand rpm. That would mean that 4k rpm in 6th is 70-72 mph, which is close. At 18 mph/thousand rpm, 168 mph is 9,300 rpm.

I'd wager that this car is drag-limited and won't pull to redline, much less past it. I doubt if it will even pull to peak power rpm, since drag would be increasing while torque was decreasing.

Of course, if you saw it on the Internet it must be true.

<edit: corrected speed at 4k rpm>

 

I really can't see a stock, or even lightly modded S2000 getting anywhere close to 168mph. Maybe on a good day 155-158 tops. 168mph is absolutely ridiculous on a flat surface. I would have to call a "BS" on this number. I just can't see it. But then again I am a newbie, what do I know?

 

heres an ap2 doing 261kmph and it looks like he still had about 300rpms before redline.. using redy2ks2k's forumula of 1000rpms=18mph in 6th gear then he still about about 5mph that he could gone.. 261kmph is about 156.6mph so that'd put him at about 161mph if he went to 8000rpms

http://video.google.com/videoplay?docid=23...nda+s2000&hl=en

 

I clearly stated that 18 mph/thousand rpm was for a '00. Please don't extrapolate that to a car with completely different gearing. I have no idea whether that is close for an AP2 or not.

Additionally, the fact that the car is 300 rpm below redline does NOT mean that it can still accelerate a couple of miles per hour. At that engine rpm, torque (think force) is going down and wind resistance is going up. There's no reason to assume that the decreasing torque can overcome the increasing resistance. It might, but it might not.

Someone needs to find
1. Final drive(differential) - 4.10 , I believe
2. gear ratio for sixth gear
3. transmission final reduction gear ratio
4. tire diameter/revolutions per mile - it's available on Tire Rack website.

Then we can see rpm at a couple of speeds and determine what's reasonable. I believe that this car is drag limited: it won't rev to redline in sixth gear.

 

yeah your right, my bad

 

How is it not possible, it only takes around 150hp to go 150mph if given enough space and that car isn't TOO drag limited.

We have another 90hp over that to bring us another ~18mph more. I think its easily possible if given enough space.

As I said, maybe its not 168, maybe its 165, who knows but this car can go over 160mph.

Regardless, we're arguing over a 10mph difference in max speed. Its not the end of the world...

 

Using:

http://www.turnzero.com/technical_resource...gear_calculator

Select AP1, change the tire size to your correct tire size(mine at 255/35/18) and change the redline to 9000rpm. Max gearing is ~168 with my tires. I don't know stock tire numbers off hand.

 

top up so the cops don't see
top down at auto-x
un-install top for everything else

 

You said you were running at a drag strip so it may not even be an option.

Maybe it's only here, but when I went to the strip they said top up, windows up were mandatory.

AutoX, however, top down!

 

At Texas World Speedway, I'll hit 129mph on the front straight with the top up. With the top down, it's only about 120mph.

I autocross with the top up as well - not for the speed, but for less distractions like sunlight and wind noise.