K this is what i have on my hands here. i really dont want to sound like a noob but O well i need some help. OK i have a 89 crx Hf and i want to do a swap cuz i sold my d15 motor and i wanted to do a b20 vtec. well some things happend and moneys not coming in like it was a few mounths back so i was think hey i have a d16a6 block and rebuilt head so why dont i put that in and boost it.well i dont know if i should rebuild the d16a6 bottom end and boost it and put the a6 head are buy a vtec y8 head for the a6 bottom end. WHAT DO I DO HELP ME PLZ!!!! O yea one more thing i was going to put all new pistons and rods in the a6 block also.the motor as 100,000 miles on it to.