BM, the 2.8 was a good little motor reliability wise, just no power.. The 4.3 came in the Typhoon, but it was a turbo motor, there's also the 3.8 GN motor, turbo as well...

You can get a 400-500hp small block for cheaper than either of those, but I know a few people that I can get good deals from so the 6s are still possible... I haven't decided yet, it runs, so 250 isn't like I will lose... Fairly low miles as well.. ill think about it...