52super

I have a '52 Super with a dynaflow showing 61,000 miles it was a daily driver until it suddenly developed a loud whine that i can't seem to pinpoint, it comes on at around 40 mph. This is hard to explain but sometimes when you accelerate it goes away, and it gets louder when you let off it, I was close to home when this happened, and did not drive it again. The transmission oil level is full and it seems to work fine not ever giving me any problems, any thoughts??

i have a 52 super 2 dr riviera, and would like to know if a 51 trunk lid will fit the 52, the car is a custom anyway and i think the 51 trunk lid is more streamlined.

Does anyone make a header or split exhaust manifold for a Buick straight 8? I am building a 52 mild custom and want dual exhaust.