Bob Faulkner Posted January 19 Share Posted January 19 I am at present rebuilding a 1979 109 & I have a donor 300tdi disco with auto box. I was considering using complete unit Inc transfer box in the 109. Is this a practical option? Thanks Bob. Quote Link to comment Share on other sites More sharing options...
Bowie69 Posted January 19 Share Posted January 19 Yep, should be no real difficulty, and if you're comparing it to a manual swap, possibly easier as you can put the engine where you want. Quote Link to comment Share on other sites More sharing options...
Bob Faulkner Posted January 19 Author Share Posted January 19 OK thanks Quote Link to comment Share on other sites More sharing options...
Chicken Drumstick Posted January 19 Share Posted January 19 Yes it should be quite possible. You'll have to decide on a few things, like engine location/gearbox location and maybe some custom propshafts. I believe the downpipe can be more of an issue on a 109, although I'm sure there are kits/solutions these days. And you'll probably need to decide what you are doing with the steering. Ultimately a 300Tdi auto is a bit of a slug, although you can chip/remap the EDC injection pumps these days. For me though having had a 200Tdi 88. It went well and I did a lot of miles in it, but it was way too unrefined and I wouldn't go down that route again. If you aren't doing big milages I think a Rover V8 is the way to go or maybe even a T-Series 2.0 petrol. And arguably an engine swap and an auto gearbox in a 109, you have to question if you'd just be better off investing in a 110. As you are removing quite a lot of the character of a Series vehicle. Quote Link to comment Share on other sites More sharing options...
Jon White Posted January 26 Share Posted January 26 Nothing wrong with a 300Tdi, but i wouldnt fit an autobox behind one. I had a factory 300Tdi Auto Range Rover, which was awful as a result of the auto box. Drank fuel, and when you put your foot down it would kick down, make a **** load more noise but wouldnt actually go any faster. I’d go manual every time. I’ve a 200Tdi in my series with an Lt77 and Lt230 behind it. Quote Link to comment Share on other sites More sharing options...
Bigj66 Posted March 5 Share Posted March 5 If you’re ok with the noise level of a 300 and aren’t after V8 performance then it could be a good solid conversion especially if you have all the bits there. Fitting the auto box to the chassis requires a bit of work but other than that it should be fairly straightforward. I opted to convert my front axle to CVs to retain the permanent 4WD but others have just kept it standard. Quote Link to comment Share on other sites More sharing options...
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