Moneypit Posted July 27, 2017 Report Share Posted July 27, 2017 Hi All First time on the forum so please be patient. I am about to fit a gearbox in my mk3 spitfire and the code stamp is DC. I have been assured this is ok but cant seem to find DC prefix for a triumph gearbox? Link to comment Share on other sites More sharing options...
Pete Lewis Posted July 27, 2017 Report Share Posted July 27, 2017 are sure its not a poorly stamped DG for dolomite Pete 1 Link to comment Share on other sites More sharing options...
Moneypit Posted July 27, 2017 Author Report Share Posted July 27, 2017 Link to comment Share on other sites More sharing options...
Moneypit Posted July 27, 2017 Author Report Share Posted July 27, 2017 Link to comment Share on other sites More sharing options...
dougbgt6 Posted July 27, 2017 Report Share Posted July 27, 2017 Here is a handy list of Triumph prefixes and suffixes, Spitfire mk3 gearbox should be FD. https://club.triumph.org.uk/prefix1.htm#Quick Link to comment Share on other sites More sharing options...
Moneypit Posted July 27, 2017 Author Report Share Posted July 27, 2017 No DC listed Link to comment Share on other sites More sharing options...
Pete Lewis Posted July 27, 2017 Report Share Posted July 27, 2017 Does it have the 10 cut spline input shaft or the 18tooth rolled spline input shaft pete Link to comment Share on other sites More sharing options...
dave.vitesse Posted July 27, 2017 Report Share Posted July 27, 2017 It's probably a Toledo three rail gearbox, fitted 1970 to 1974. As Pete has stated it should read DG. Dave 1 Link to comment Share on other sites More sharing options...
Herald948 Posted July 27, 2017 Report Share Posted July 27, 2017 Does it have the 10 cut spline input shaft or the 18tooth rolled spline input shaft pete Also, what size is the output flange? You'll need to ensure that the front flange on your propeller shaft matches the output flange, which I suspect it won't (unless you're replacing another all-synchro box). Link to comment Share on other sites More sharing options...
Moneypit Posted July 27, 2017 Author Report Share Posted July 27, 2017 Thanks very much for the replies Attached is another picture Link to comment Share on other sites More sharing options...
Moneypit Posted August 13, 2017 Author Report Share Posted August 13, 2017 All sorted, changed the flange on the prop Link to comment Share on other sites More sharing options...
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