does any one no anything bout getting a bigger throttle body off a diff truck/car and cam advice

http://store.summitracing.com/egnsearch.asp?SearchType=Make&N=4294908331+4294907827+4294924761+4294839915+4294 925239+115+4294859865
here is a bigger throttle body and just get the next bigger size cam or you will have problems with computor.