I am no expert, but I guess you already know about turbo cams, forged rods and pistons. I would want a forged crank also. I didn't build my motor, but VT Competition Engines did, so I know it has all the right goodies in it. I know you say your on a budget, but there are some things that you can't afford to go without if you want it to stay together and have piece of mind to boot.