rebuild or replace motor?
I've got a 307 chevrolet small block swapped in a lifted 82 jeep cj7 lifted with 37" interco SS-M16 all terrain tires on it. It's been a phenomenal engine except i loaned it to a friend. Well for whatever reason she ran E85 in it. To be fair it was
I would take the 350 any day over the 307. You'll get better power out of the 350 with better fuel mileage.

I admit that Laurie doesn't need the turbocharged engine. It'll crank out 260 horsepower and take you through the woods faster than a fleeing moose. It'll also burn more gas and get you more speeding tickets on your way down the 400.