Sure, you can, but it's not worth the amount of effort. For the work it takes to swap in a 3.8L, you could swap in a V8. Even easier still is to swap in a turbo 2.3L- and if you swap in an intercooled turbo 2.3L you'll either match or be 10 hp shy of the best V6 you could get anyways. Honestly why bother swapping in a 200 hp 3.8 when you could swap in a Turbo 2.3L with the same power MUCH easier and reuse most of your stock parts....or invest the same amount of effort into a V8 swap and have double the HP?