02Rubaru Posted June 7, 2017 Share Posted June 7, 2017 So I've got a 77 Subaru DL wagon with the single range 4 speed and currently the speedometer is off about 10 mph at ever speed. So no matter how fast the speedometer says I am going, I am going 10 mph slower. Ever since I've owned it, it has been this off, and at first I thought it was the bigger wheels the PO had redrilled but I found a stock set locally and installed those with brand new tires and its still off. Then I read somewhere that the speedo cable could be frayed causing it to read incorrectly so I bought one of those and installed it, but its still off by the same amount. So I was wondering if anyone had any ideas as to what my problem could be? Quote Link to comment Share on other sites More sharing options...
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