I want to go with a 1jz but it seems like I can get 7m alot easier, I seen one in the juk yard and thought about doing a stock rebuild with all arp hardware how do the stock pistons and rods hold up at around 400 on race gas 300 on pump thats where my goals are set at. 300-350 on pump also what kind of turbo should I be looking at? I appreciate all the help guys