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Moneypit



Member Since: 27 Feb 2018
Location: North Yorkshire
Posts: 271

2004 Defender 110 300 Tdi HT Fuji White
2.8 300 tdi
Has anyone done a 2.8 M&D bottom end conversion? Not going for the full TGV due to the cost. Is it worth the cost or should I just get my latest "bargain" rebuilt back to spec.
Thinking of getting the head optimised, ported and polished, not looking for horsepower just a better running more drivable motor
Post #729012 14th Sep 2018 8:56pm
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Kit



Member Since: 12 Feb 2016
Location: Shropshire
Posts: 1110

United Kingdom 1993 Defender 90 200 Tdi SW Scotia Grey
I suppose you have to ask yourself why you want it?

I'm going to assume that doing an early Td5 conversion is probably around the same cost and something you should consider.

Td5 Std: 136 bhp 232 lbf ft
HS 2.8: 135 bhp 277 lbf⋅ft

It's fair to assume that only a partial conversion will yeild similar torque and less bhp/tuning potential.

My 2cents. 1993 200 Tdi 90 CSW
1956 Series 1 Hard-top
1958 Series 1 Soft-top
Post #729018 14th Sep 2018 9:25pm
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LandRoverAnorak



Member Since: 17 Jul 2011
Location: Surrey
Posts: 11324

United Kingdom 
Those TD5 specs are for the Discovery II. In the Defender, it was about 10% less powerful. Darren

110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak

"You came in that thing? You're braver than I thought!" - Princess Leia
Post #729023 14th Sep 2018 9:55pm
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Alex1976



Member Since: 23 Jan 2013
Location: Buckingham
Posts: 596

England 
I had this dilemma when I rebuilt my 300tdi. In the end I kept the 300tdi bottom end, used a new Turners ‘performance’ head, BAS VGT turbo, Allisport intercooler and then tuned it to match these improvements. Never had it on a dyno but it pulls like a train with lots of torque and very smooth delivery.

It still cost a lot to do this and in hindsight when you look at £/BHP then maybe there are other ways to achieve the same or better, but I am happy with it.
Post #729037 15th Sep 2018 6:57am
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