Damn, sounds like someone read my recipe book for cooking up an LS1 into a 92 C1500. Other than the fact that you can use the entire f-body accessories except the a/c compressor which gets located up high on the passenger side with brackets and idlers from S&P or March. Wiring can come from S&P, too. NelsonPerformance.com for a basic tune and delete of unused emission BS, get the 2002 PCM and tune for a more aggressive performer.