Rollaway

iTrader: (4)

yeah what the title says.... dont want to say why to keep this thread clean from the trolls...

Speedlimit

Hi,

I think you go back to the future! Are you looking for a calculated number based upon gear ratio's and RPM or someone who has been there, done that?


Speedlimit..

Noize

iTrader: (24)

8600rpm on stock tire size is exactly 199.99mph in a US Evolution VIII. Sweet Lord, please be careful.

NOVA EVO

200 MPH???

badlooser

iTrader: (23)

I had it at 7000 rpm in 5th the speedo says 161mph with the stock wheels.......you must be 180+......

Smogrunner

iTrader: (5)

Just look at the mph at 4300 and double it...

Smogrunner

iTrader: (5)

LOL, yes it is. Simple math.

ASTROEVO

iTrader: (2)

yes someone post the formula......i would love to know this...

Smogrunner

iTrader: (5)

You can do the mph x 2 formula in any gear. In fact, you can do the MPH x 3 etc and then you just triple the mph.... We don't have a wierd automatic transmission with some high tech torque converter that varies rpms for optimal performance or mileage. It is just simple math.

96_LXR

iTrader: (3)

The formula to figure your speed is
RPM X (TIRE CIRCUMFERENCE) / OVERALL GEAR RATIO / 1056

To get the tire circumference, take the tire width (in mm) 235, multiply that by .03937 to make it inches, multiply that by the aspect ratio of the tire (45), this is a percent so you will multiply the tire width 9.25195 x .45 which will give you the sidwall height 4.1633775. Multiply this times two (for the top and bottom of the tire and add the wheel diameter (17) 25.326755. This is the overall tire diameter. Take this and multiply by PI (3.14159) to get the circumfernce or rolling diameter.
For a stock Evo wheel / tire setup this is 79.566".

For your overall gear ratio multiply the final drive gear 4.529 times whatever gear you are in (5th in Evo is .72). This gives you a 3.261 overall gear ratio.

The 1056 constant just converts all of this to MPH

So what this all means is that at 7000 on a stock wheel / tire setup is 162 MPH!!!

leif

yea you were doing almost 200...careful mang.

i mean umm, its almost 200mph.. i got 198.8 using the formula above.

Rollaway

iTrader: (4)

sorry guys.. thats impossible that i was doing that.... im sure my stock advans would have exploded since ive hit 8600+rpms about 3-4 times in 5th... i was thinking along the lines of 167mph... i wish there was a oval around and some continental vmax tires when i need them

scorke

iTrader: (18)

Gerard, just wondering if you heard what a car would be like to drive at that speed, you know, hypothetically? Was it real shaky?

Scorke

Smogrunner

iTrader: (5)

Maybe you were at 167 but your clutch was slipping??? Maybe your tachometer is off.

Jonasan50

iTrader: (1)

I've been clocked at 162 and it was no where near 8600 rpms.. it was right around 7... Smooth as glass...

(On a closed track of course!)