I've been reading up on DOHC V6 engines from GM and have come to find the LF3 and LF4 from Cadillac are putting out some insane horsepower for a V6. I understand some differences in OHV vs. OHC already so no need to explain that. I'm wondering if it would be any benefit to drop one of these into a Grand Prix? Would there be any benefit to this? I'm wondering if we could get a good DOHC V6 running better horsepower with just as good fuel economy as we have with our 3.8's. This is just a simple question I thought I'd ask in the engines forums. Any thoughts?