DJB1140 Posted September 13, 2011 Share Posted September 13, 2011 The 200Tdi in my Defender is beyond repair, so I am replacing it with a unit from a Disco. I want to keep the original confiruration so have swapped the front end (timing case etc) and manifolds. So far so good. But now I look in detail at the back end I can see diferences in the mounting to the gearbox. On the Defender there are studs of the same size spaced roughly equally around the casing. But on the Disco engine the bottom stud does not exists and the ones either side of the centre at the bottom appear to be a smaller size. My question is can I just fit it as it is and forget about the bottom stud (if the disco doesn't need it why does the Defender) and do the other studs accurately match (a paper template test suggests they do). If this is not going to work can I simply replace the casing on the two engines? My only concern would be that I understand that on the Defender some of the bolts go through part of the block to fix the ladder rack in the sump. Any information or advise would be greatly appreciated. Quote Link to comment Share on other sites More sharing options...
sas pinkie Posted September 13, 2011 Share Posted September 13, 2011 I would personally change the rear housing, and whilst it is off, press in a new rear crank shaft seal..... Just my 2 pence worth. Quote Link to comment Share on other sites More sharing options...
western Posted September 13, 2011 Share Posted September 13, 2011 timing case is different, you can swap the Defender parts over to the Discovery block to convert it, same goes from clutch housing, manifolds & turbo & injection pump. all 200tdi have the bolts through in to the blocks ladder frame IIRC. Quote Link to comment Share on other sites More sharing options...
discomikey Posted September 13, 2011 Share Posted September 13, 2011 yes, the main block is the same, so everything that can be bolted onto the casting can be changed for the defender items, as for the flywheel housing, is there a ready drilled hole, if so tap it through and put a stud in, if not then dont bother it will be fine anyway. the disco engines also bolt through onto the main ladder casting thing behind the flywheel housing. Quote Link to comment Share on other sites More sharing options...
DJB1140 Posted September 14, 2011 Author Share Posted September 14, 2011 Thanks for the responses. As I have already changed everything else form the old engine, swapping the flywheel casing is not so much more effort. I just need to get it all back together and installed before the cold wet weather arrives Quote Link to comment Share on other sites More sharing options...
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