Ok would would make more horsepower a trick flow top end kit....or a z06 cam and a ls6 intake?

 

If you do a search for the ls6 intake swap you should be able to answer that fairly quickly. The ls6 intake nets very little gain and it's only in the higher RPM.

 

Yeah, I'd do an LS6 cam before any intake. Personally I'd call up Circle D and get one of his custom modified Trailblazer converters if you already have something similar to a Truetrac in the rear end. If you don't have one or you're still turning a G80 LSD, I'd order a Truetrac and replace it before doing anything performance related.

Order of upgrades...
1. Truetrac
2. Converter
3. Cam and Tune