mark powell Posted August 30, 2018 Report Share Posted August 30, 2018 After the long period of unuse of my engine set up, I seem to have a drive problem. It is intermittent. The set up is 1500 Spitfire engine driving through a D type overdrive box. It first showed itself as a lack of drive when I put it into reverse at a local show. After taking it out of gear and then trying again, all was well. Since then I have noticed a slight slippage when giving it a bit of welly. The overdrive does not go cleanly in or out, rather it seems to think about it... A trip to the shops this morning saw a repeat of the loss of drive when parking but only for a moment. It seems to go back to normal with a bit of a jerk. Would a worn cone clutch in the O/D box give these symptoms? In other words, if the cone clutch gives up, will I lose all drive? I have got, returning to the garage, my Midge with the identical engine / O/D gear box. So the temptation is to swap it all over if the dodgy box needs a rebuild... Link to comment Share on other sites More sharing options...
Pete Lewis Posted August 30, 2018 Report Share Posted August 30, 2018 It would point more to the main clutch rather than the d type You have to ask why slip in reverse generally the cone clutch fails safe and may slip engaged Are you sure the slave is not holding the full return of the throwout. Pete Link to comment Share on other sites More sharing options...
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