66 Chevy stepside with a 327. I added a Crane cam and later an Edlebrock Tarantula manifold. Manifold wasn't the best of choices I discovered later. The manifold isn't heated and runners are short and straight. Not a good choice for mileage and only good for higher RPM and because of the design being unheated, it caused the carb to ice up in the mornings even when the temps were in the mid 40's. Oh well, live and learn.
I think I added headers too.
1968 Old Cutlass I paid $300 for in 1978 from a little old man-----original owner with 150K miles. Well maintained. Had a 350 V8. Ran really nice til I totalled it. It was blue with a black vinyl top. Otherwise it looked like this: