Quote:
Originally Posted by GWhite
Elferfan,
The 1976 Carrera 3 had a different speedometer (Part no 911 641 501 00) when the 50 series P7s were fitted. The C3 though had an electronic speedo whereas the '76 C2.7 has a mechanical one. If the 50 series tyres were fitted to your car then I guess the original speedo would have had to be adapted but I don't know what the normal practice is to specify calibration.
Guy
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GWhite,
The 911 641 501 00 speedo you note is for the 250kph speedo 1972-1973 MY (...501 29 for 911 & 911S models / 1974MY - 1977MY *except for Japan market*).
The correct C3 (elect.) speedo for fitment with 50 series tyre (M395 option) is '930' 641 501 00
There was a specific mech. speedo built & calibrated for factory fitment if M395 option was ordered on a 76MY C2.7.
The unit that would be fitted by the factory 'IF' a 76 MY C2.7 was M395 optioned , would be no. 911...641 530 00