Jeff Posted November 9, 2004 Share Posted November 9, 2004 My standard VDO mechanical speedo has quit working. It has leaked oil from the gearbox seal which I understand is common. I would like to replace the mechanical speedo with a VDO electronic unit which would read off the propshaft. Any solutions or suggestions on how to plug the old mechanical speedo hole without removing the engine? Link to comment Share on other sites More sharing options...
Mick Day Posted November 9, 2004 Share Posted November 9, 2004 Jeff There is a kit for doing just this. I think CC stock it & of course Phil Stewart at Road & Race. If you've got very bendy fingers you may be able to do it in situ, otherwise you need to drill a small hole in the side of the tunnell (cover with a bung after) to extract the drive from the gearbox. http://www.merlinmotorsport.co.uk/ sell the speedo. Mine reads off the front wheel hub which I would think would be an easier way to do it rather than trying to fix up a holder for the sensor by the propshaft. Again CC have a bracket for fixing the sensor. Edited by - Mick Day on 9 Nov 2004 14:33:42 Link to comment Share on other sites More sharing options...
John Howe Posted November 9, 2004 Share Posted November 9, 2004 I went the Speedy Cable route (01639 732213 - ask for Andy) and using a sensor reading off from the prop shaft four flange bolts, as I wanted to keep away from the muck etc that one associates with front wheels. It was all amazing simple to fit and to calibrate the speedo. They have a range of standard faces but will also create dials that fit your own requirements. They have a web site but I do not have the details to hand. JH Deliveries by Saffron, the yellow 222bhp Sausage delivery machine Link to comment Share on other sites More sharing options...
Mick Day Posted November 9, 2004 Share Posted November 9, 2004 Never thought of using the prop shaft flange bolts, good idea John. Speedy Cables are here: http://www.speedycables.com. Speedy Cables are part of the Caerbont Automotive group who supply Caterham's current instruments with the Caterham logo on. Link to comment Share on other sites More sharing options...
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