K10042 vs K9800 for a 245DL
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    1. #1
      Junior Member Jetter's Avatar
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      Apr 2004
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      Speedometer help - K10042 vs K9800 for a 245DL

      I have a 90 245 and recently my speedometer cluster burnt up and bit the dust. A local shop procured a replacement, however they sourced a K10042 instead of the stock K9800. From what I'm reading, the K10042 was the sedan speedo geared for smaller tires, while the K9800 was for wagons with their larger tires. Also I read something that said it might not be just a straight wagon/sedan difference, but one for ratios in the drivetrain from manual vs auto trannies. Dropping this in, what issues might I see? I'm not running stock tires anymore, my summer sets are iPd Pegs with 215/45R17s.

      Basically if I were to use this speedo, how off would I be? I read something like 2.5%-5%, so I'm guessing I'd be going faster than indicated?

      Thanks
      Last edited by Jetter; 04-25-2014 at 01:24 PM.

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    3. #2
      Junior Member Jetter's Avatar
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      Apr 2004
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      Well, no replies here. Maybe I should have had a different subject header. Anyway shop decided they aren't compatible and chose to move on to find the correct item number. More delay and more unaccounted miles on my 240, but oh well.

    4. #3
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      Sarsfield, ON
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      The only thing I know is that if you're in Canada you'll need a metric tach so the part numbers may be different.
      '88 244 auto (parts car), '89 244 5 spd. (daily driver), '92 245 5 spd. (my car) '80 Holiday Rambler/Ford E350 (tow vehicle and track crash pad), '95 GMC K2500 (local hauler/back-up tow vehicle), '83 Mazda RX7 (race car when I have the funds), '99 Miska 20' car hauler.

      The man's prayer: "I'm a man, but I can change, ... if I have to, ... I guess."

    5. #4
      Junior Member Jetter's Avatar
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      Apr 2004
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      I am in the US. Also my speedo is one that should go up to 120mph, although the car won't ever see that high.

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