westfield106 Posted October 20, 2012 Share Posted October 20, 2012 hi there. are the r380 gearbox crossmembers the same from a disco and a defender ?? thanks Quote Link to comment Share on other sites More sharing options...
Paul Woodward Posted October 20, 2012 Share Posted October 20, 2012 Not exactly. You need to cut the corners off a Disco one to clear the seat box mounts on a Defender chassis. Quote Link to comment Share on other sites More sharing options...
westfield106 Posted October 20, 2012 Author Share Posted October 20, 2012 cheers chris . am doing a 300 tdi conversion on my 90,have made the engine mount as per tech section (fitted onto original mounts perfect ) to mate the 300 with the lt77 using original 200 chasis mounts but have decided to fit r380 gearbox as well so req gearbox crossmember crossmember. john Quote Link to comment Share on other sites More sharing options...
oneandtwo Posted October 21, 2012 Share Posted October 21, 2012 If you are fitting an r380 then the gearstick is going to be too far back as you've fitted the 300tdi in the 200tdi position. The r380 crossmember fits about 6" further back than the lt77 crossmember and will not fit and work with the engine in your current position. Quote Link to comment Share on other sites More sharing options...
westfield106 Posted October 22, 2012 Author Share Posted October 22, 2012 my fault as should of been clearer :blush: . i am now going to fit the complete engine and box from a 300 defender !!! i originally made the engine mount and mated it into the chasis but not happy with exhaust position and extending all oil pipes etc to make it fit. so have decided to abandon the lt77 box etc so was asking if the disco crossmember would fit and put the engine into the correct/factory position for a 300 tdi ?? will then fab some mounts for the engine to weld to chasis . cheers john Quote Link to comment Share on other sites More sharing options...
Orgasmic Farmer Posted October 22, 2012 Share Posted October 22, 2012 If you want to use the front lower bolts on the disco Xmember you will have to extend the "wings" down a bit and drill new holes since the 90 chassis is a bit deeper than the disco one. The 3 bolts (top rear) in a triangle are identical across all models as a reference point. Quote Link to comment Share on other sites More sharing options...
Orgasmic Farmer Posted October 22, 2012 Share Posted October 22, 2012 Here is one I did earlier! You can see where I had to cut a V out of the top of the wing to go around the seatbox mount. The front lower bolt goes through the extended bit I welded on the bottom of the wing. I therefore have 5 bolts holding the X-member on which is about 2 more than a normal 90 one!! Quote Link to comment Share on other sites More sharing options...
westfield106 Posted October 22, 2012 Author Share Posted October 22, 2012 cheers will get one sourced !!!! Quote Link to comment Share on other sites More sharing options...
L835 Posted October 23, 2012 Share Posted October 23, 2012 I was wondering about this. My previously n/a 110 had a 300tdi and r380 fitted by its last "engineer" owner. He made new engine mounts but used the existing LT77 mounts. I had to fit a new box recently and the old rubber mounts fell apart. Can't get the new ones to line up properly, this would be why then?! Quote Link to comment Share on other sites More sharing options...
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