Originally Posted by DemonPerformance
^^^^ What Eric said, why get a stock crate setup when you can turn your existing stock 6.1 into a handful of different sizes built around your needs and goals. You'll be able to push big numbers with a motor built the way you want with whatever FI power combos etc rather than being stuck with a stock 6.4 that makes 50 more hp than the stock 6.1 does.
^^^This. You will spend a very comparable amount of money between the two options, but the stroked 5.7/6.1 motor option will allow you to produce much greater power.