like it says.... our project truck is a 2001 rcsb, stripper model, has a 4.8L in it now but its getting a 408 with a plate kit once we get some testing done. The truck currently has full exhaust, LS6 cam, headers, cai and will be able to tune it for converter/gears etc. with a 275/65/17 tire, SY3500 converter, what gears would you guys suggest? 3.73 or 4.10? something different?

 

i dont know about this kinda stuff but motive makes a 4.30 now...

you might look at WoodHauler's setup - nitrous'd 408 in a 01 rcsb