Its very hard to pull any real money on 2 cars in my experience. A First Gen Monte and a First Gen Cougar.
Both can be very fun cars and can be had (usually) at reasonable prices.
The BB 402 (they've never proven a 454SS 4speed) 4 speed is about as rare and valued as they get.
I had one in Black Cherry, 402/4spd that was probably the nicest restored car that I have ever owned. I was lucky to pull 35k out of it.
/Rich