ALGUIEN ESCRIBE ESPAÑOL??? BECAUSE MY SPELLING SUCK'S!!!I whant to tune up my cars but I don't know which upgrades install to make it faster ... Gear ratios, etc...(Remember to capitalise the first word of each sentence- Your question will not get listed if it looks poor.Please use good spelling and grammer)<---It's a videogame page! There are kids reading and writing here, how do you expect a 7, 8, 9 or 10 year old kid to follow your rules...? I hope you can help me. Muchas gracias...thank you.