Attention all you 70 and early 71 owners! And the rest of you that enjoy getting into the nitty gritty details. I have a '70, blt 6/70 and the A-B valve quit doing its thing. This is a show car, so I trying to replace it with as correct of a part as possible. I got a hold of an NOS valve, P/N 14835-25601, which is supposed to be good up to 6/72. However, it doesn't look the same as the one that came off the car. My early 71 has a valve that is identical to the one on the 70 as well. If y