wheatfielder Posted October 2, 2008 Share Posted October 2, 2008 My 200tdi defender has a LT77 S gearbox. Is this very different/ preferable to a normal LT77 box -as mine will need changing at some point and the LT77 seems easier to get hold of. Thanks all. Also can anyone recommend a good landrover bodywork specialist reasonably close to Bristol? Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted October 2, 2008 Share Posted October 2, 2008 ashcroft-transmissions.co.uk LT 77 DevelopmentThe LT 77 was introduced to the Landrover range in approx 1983 with the suffix D box and was developed over the years to the suffix H which was last used in 1994. The D and E are very similar the only difference being the reverse gear was a little fatter in the E, When they went from E to F larger layshaft bearings were used. The G was further improved by all the gear teeth including the pinion getting approx 20% thicker. Also a much wider pump was used to increase the lubrication and cope with the fact that some of the LT 77"s were now being supplied oil cooled, ie V8 NAS 90, 3.9 RR Classic and the 3.5 EFI Discos. The H (termed the LT 77S) was the same as the G in terms of strength but used a different syncro set up called the "Double Syncro", In reality it didn"t work much better. Quote Link to comment Share on other sites More sharing options...
renault4 Posted October 4, 2008 Share Posted October 4, 2008 ashcroft-transmissions.co.uk what do you mean when you say reverse ear was "fatter"? Quote Link to comment Share on other sites More sharing options...
Ex Member Posted October 4, 2008 Share Posted October 4, 2008 The gearing ratios are different as well. 5th is lower and driving on the highway will not be as nice. Quote Link to comment Share on other sites More sharing options...
wozza35 Posted October 4, 2008 Share Posted October 4, 2008 By bodywork specialist what exactly do you need doing? most can be done yourself ,is it panels you are after or dents sorted out? Quote Link to comment Share on other sites More sharing options...
wheatfielder Posted October 4, 2008 Author Share Posted October 4, 2008 By bodywork specialist what exactly do you need doing? most can be done yourself ,is it panels you are after or dents sorted out? Need rear crossmember welding on and repairs to bulkhead both sides- above wings, below screen. Quote Link to comment Share on other sites More sharing options...
FridgeFreezer Posted October 4, 2008 Share Posted October 4, 2008 what do you mean when you say reverse ear was "fatter"? I didn't say anything but I'd assume the gears themselves were stronger. Quote Link to comment Share on other sites More sharing options...
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