400+ Mph with 600 hp 6.9 years ago

Thanks :)@Badarzewska

600mph, try to beat that one! 8.3 years ago

That was insane, I could only get it up to 550 though, how did you do 600?

600mph, try to beat that one! 8.3 years ago

Try a wheel size of 2.6, I've found that on a runway it will max out speed as it runs out of track@JeffreyD2015 @JeffreyD2015

Speed Challenge!!! 8.3 years ago

Please make it a variation so I can find it, or sub to me so I can find you

Speed Challenge!!! 8.3 years ago

Only car engines@FoxBG

Speed Challenge!!! 8.3 years ago

Have as many engines as you'd like, speed is all that matters, @JeffreyD2015