hi all, i just bought some a13 engines in from the states , i have an a13 (for class reasons) with twin 40's elec ign(+ all the fruit ,apparently) and a good set of pipes. is 104.5hp atw ,good hp or have i been duded(not game to tell what it owes me)? im happy ish with that but bang for buck im not sure. please give me some light.