Kinda depends on what you want to do yourself. Someone with fab skills and time could do it for a couple hundred bucks, buy a junkyard motor and double the cars HP pretty easily. Might take some time but you can do it.
Or buy the stuff from holley and be swapped and running in a weekend. Hardest part is running a fuel line and wiring a fuel pump relay.
Or buy the stuff from holley and be swapped and running in a weekend. Hardest part is running a fuel line and wiring a fuel pump relay.