alexander Posted April 22, 2012 Report Share Posted April 22, 2012 After returning my car to the road two weeks ago after a ten year rebuild I’m slowly working through a number of snags, as to be expected. One area I would like some advice with is the Speedo. It will need to go for a rebuild as the mile and trip indicator do not work and the reading at 30 in top is 42mph and at 40mph it show 52mph. I have 165/80 x 15 tyres I’ve checked the axle ratio and that is 3.7 and the number on the Speedo is 1180 So my questions are :- 1. Is this the correct speedo for 3.7axle – read the technicalities cd and it does seem correct 2. Could the tyres be the reason for the 12mph error at 30/40 mph 3. Any recommendations for a good repairer who with the details of tyres and axle ratio could return a fairly accurate Speedo. Thanks in advance Alexander Quote Link to post Share on other sites
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