There are two books you can buy on Amazon.com that will be very beneficial for you to read or have for research. The first is How to build high-performance Chevy LS1/LS6 V-8s by Will Hanzel. The other is Chevy LS1/LS6 Performance: High Performance Modifications for Street and Racing
by Chris Endres. You can get both for $26.76 on Amazon.com.