Metzman510 Posted February 21, 2020 Report Share Posted February 21, 2020 New to the forum, but have been using it as a resource for a while, it is a real help! My 69 510 sedan has a 5-speed in it. Due to packaging restraints in the car, I am having trouble identifying it. The serial number on the top of the bell housing is 7202575, there is not a number cast into either side of the transmission housing (60 or 60A as an example). The tail housing is marked #1, and the trans case has "L1 NMCA" cast in the side of it. The speedometer drive is in the tail housing, on a downward angle, pointing to the left side, and the screw to hold the speedo pinion drive in is at 6 o'clock. L-series engine in the car. Trans is definitely a wide ratio unit, standard 5-speed H and a half pattern (not the dogleg). Quote Link to comment
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