I have a good , unturned journals, 440 steel, stick shift crank, and a set of 440-6pak, refurbished and bronze-bushed rods. I was considering a 400 block build-up for 451ci. Which year block and which heads should I use to get a reliable pump-gas ( under 93 octane ) engine ? Or should I go to a 440 block and heads ? In that case, which ones ?
Thanks in advance,
Thanks in advance,