lol. ive been looking at a couple of factors.
-ease
-reliability
-cost
-can it take the beating
-aftermarket
i dono i have been thinking the same thing u have and honestly i would go SR saying its factory turboed and can handel the forced induction i dont care what people say i have seen KAs pop with little bolt ons if i ever did and KAT and cared about it and wanted to do it right i would build the whole motor first but thats out of the price range for the money i would either do SR or RB