I have a 04 300ex its been piped and jetted runs great but I am putting together my wifes 300 and it also has been piped and jetted but also bored and high comp. piston in it I cant let hers be faster than mine what mods can I do to mine besides motor work do after market cdi boxs improve it enought to out run her or what should I do.


Sorry for double post didnt think other one got posted