A question for the TDI Conversion guys

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cornish rattler

Well-Known Member
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Manc chester
Hi guys
Just throwing an idea out and i'm not saying i will be doing it if its two complicated but has anyone converted a series 1,2,3 to Auto box, is there any benifit in doing this conversion and what auto box to use, my S2a is on a galv chassis so don't want to cut up the chassis,
What do you think 🙂
 
I reckon any series or defender tdi would make for a really good car in auto guise.
You will need tape a measure to see if it will all fit length wise, sure I read something ages ago about boxes being so long that the rear prop was stupidly short?
 
Auto boxes are normally a bit longer, and for example the LT77 manual conversion is troublesome in a 88" due to the rear prop length. On a 109" it should be doable. You get an overdrive gear with a 4-speed auto, so should be a better drive on the road too. If you could lift a 300tdi and gearbox from a discovery, with the LT77 adapter kit from Ashcroft it should bolt together ok. You'd have to figure out engine and gearbox mountings, and potentially move the transfer box back to account for the length.
 
Hope you enjoy changing UJs ??
They will eat them due to the angle & been short.
Mine was a V8 but used the same sized box & fixing position.

@cornish rattler
What gearbox are you using now?
Changed your diffs?
(Not up to date on your build)
 
I don't think props are likely an issue. 80" coilers have been running short rear props for over 40 years.....
gwynlewis4x4-trialer-alrc-propshaft-1.jpg


That said. I'd have thought an automatic Series would be very counter to its image. Might as well just buy a more suitable vehicle. The old automatics are pretty horrid with a Tdi too. Very wheezy and slow, not very fun to drive, way slower and poorer mpg. You also don't get any engine braking off road. I'd also expect them to feel louder and more noise too as the torque converter will mean higher revs for almost any condition.
 
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