I thought about getting a go-wing when I first bought the Road Runner. My car was built in August 69 and the trunk lid does not have the cut-outs for the go-wing. I have another trunk lid with the cut-outs but having given it some thought I've decided it looks better without one.

1970 Road Runner 505 cid MCH CNC ported Stealth heads MP 528 camshaft 4 speed GV overdrive 11.98 @ 117 on street treads