[DeTomaso] Speedometer Calibration Problem GT5-S Amerisport 1987

Montana, K.M. montana at montanas.com
Sat Jul 14 11:12:27 EDT 2012


I am restoring a 1987 GT5-S and have had the speedometer calibrated 3 times
and it still remains approximately 135 % under reading versus actual speed.
( Gauge-55, GPS-75, Error 20, Ration-136.4%)  This error factor remains
constant through the 30-70 gauge test.
The mileage and the odometer test results in 8.0 miles reading versus actual
10 miles traveled.  The 52 ft., 9 & 1/2 in. cable rotation test is 12.63
turns within the test distance.
Advice would be most appreciated.  Ken Montana, Biloxi, MS, USA,
228-832-1313, montana at montanas.com





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