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Re: Actual speed is +20% Posted by Andy [Email] ![]() ![]() In Reply to: Actual speed is +20%, Gary Piland, Thu, 07 Sep 2000 01:02:13 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Clocking it against another car is not a very accurate way of testing it. New cars are not necessarily spot on. I remember years ago that one of the car magazines (R&T or C&D) found that the indicated speed on most OEM VDO-built speedometers in many European cars was about 10% high. It was worst in Porsches and BMWs. I'm not sure if the speedometer on a Sonett is any different than the one on a sedan. I would expect the output at the cable off the transmission to be the same, even though the internal ratios are different. I don't have my 96 manual handy to look up the ratios.
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