get any better at higher rpm? those have a fuel injector for each cylinder right? if so it could be fuel related(plugged injector) or electrical in relation to the fuel system.
68 Ford Country Sedan Wagon-390 FE, C6, 9 Inch
87 Chevy Caprice Classic Wagon-307, 2004R, 10 Bolt, what can i say, i grew up with that car