so if i got a used 292 and did the work to it, how big would recommend the bore be? i see a lot of people telling me to go 60 over but does that leave those walls too thin? would a 40 over or a 20 over be better? and what would you guys recommend for valve sizes? i see a few could get but i dont know what would be best. i am also wondering how hard it would be to do a fuel injection system on this. any ideas would be great.