Recently I picked up a 1989 245 w/M47 parts car. I am considering holding on to it to use the diff (I assume to be a 3.31) to be used in the recreation of my VolvOldsmobile V8 ('63 Olds 215 with T5 gearbox in a 1993 245 w/auto body). The '93 should have the auto 3.73 rear. I plan to complete the car using the 3.73 for now but want to have the option of going to the longer 3.31 gears. So--my question--is the K9800 speedo correct that is in the '89 245 w/M47? What puzzles me is that I also have an '89 245 w/auto parts car with the K9800 speedo. Is that right? Or has one or the other been changed somewhere along the way? Thanks in advance--Dave
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