Trotting this question over here from another MP forum. Backstory is that it came with some other parts, and the seller seemed confident it was from a 77 or 78 TA. Beyond that, there is not much info.
Question: Is there any way to tell if it is WS6 (which had the faster 'straight' ratio) or the standard variable ratio.
I have been told that replacing the cap with an A-Body would change the stops in the box compared to F. Any insights much appreciated!