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JohnPaynter



Member Since: 23 Nov 2020
Location: Falkirk Scotland
Posts: 21

United Kingdom 2001 Defender 90 Td5 HT Oslo Blue
3.9 V8 into 2002 td5?
Is this possible?
If anyone has done anything like this I would like to know what goes into it..what conversion plates or parts are needed for the gearbox and any other things that i will need to consider...
i just want an offroader defender for fun but the td5 does not run
a v8 will no doubt be more fun...and probably less efficient Very Happy Very Happy
Post #893638 24th Mar 2021 1:50pm
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htb2



Member Since: 02 Nov 2018
Location: aberdeenshire
Posts: 507

Scotland 
Yes will fit.
Easiest way is Discovery engine and gearbox, ashcroft conversion for gear selectors to fit defender ones on.
Cut off TD5 engine mounts, weld on V8 ones.
Change throttle pedal to cable type.
Post #893653 24th Mar 2021 4:04pm
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JohnPaynter



Member Since: 23 Nov 2020
Location: Falkirk Scotland
Posts: 21

United Kingdom 2001 Defender 90 Td5 HT Oslo Blue
will that mean it will be an auto or not?
kinda want a manual...
suppose u can get manual disco v8s but theyre quite rare are they not?
Post #893658 24th Mar 2021 4:25pm
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htb2



Member Since: 02 Nov 2018
Location: aberdeenshire
Posts: 507

Scotland 
Had a manual 3.9on a R380 gearbox in a Discovery 1 which I took out to go Tdi
Post #893660 24th Mar 2021 4:30pm
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JohnPaynter



Member Since: 23 Nov 2020
Location: Falkirk Scotland
Posts: 21

United Kingdom 2001 Defender 90 Td5 HT Oslo Blue
is this the Ashcroft conversion selector
https://www.ashcroft-transmissions.co.uk/d...l?page=all
Post #893665 24th Mar 2021 4:58pm
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htb2



Member Since: 02 Nov 2018
Location: aberdeenshire
Posts: 507

Scotland 
That's the one, saves splitting the box to put defender sticks on.
Post #893666 24th Mar 2021 5:01pm
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JohnPaynter



Member Since: 23 Nov 2020
Location: Falkirk Scotland
Posts: 21

United Kingdom 2001 Defender 90 Td5 HT Oslo Blue
Ok thats very handy to know...thanks
whats the electrics side of the conversion like....? because im not good with electrics so thats whats worrying me
id like to keep the td5 dash if possible
Post #893668 24th Mar 2021 5:03pm
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htb2



Member Since: 02 Nov 2018
Location: aberdeenshire
Posts: 507

Scotland 
Martin on here would be the one to speak to regarding the electrics side re the TD5 dash. Mine were relatively easy as for a Tdi I only needed a keyed live for stop solenoid and one for starter.
Whats up with the TD5 you have, not be better spending the money on it as diesels better waterproofed for off road etc
Post #893680 24th Mar 2021 6:23pm
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JohnPaynter



Member Since: 23 Nov 2020
Location: Falkirk Scotland
Posts: 21

United Kingdom 2001 Defender 90 Td5 HT Oslo Blue
its a fine engine i reckon....just somethings not right with it....cranks healthily
has plenty of compression
changed cps, fuel pump, fuel pump is putting out enough pressure and still nothing doing...
healthy engine plenty compression just no fuel getting there
it was on a site for years a trashed by kids who cut some wiring in the doors etc
Post #893757 25th Mar 2021 7:17am
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JohnPaynter



Member Since: 23 Nov 2020
Location: Falkirk Scotland
Posts: 21

United Kingdom 2001 Defender 90 Td5 HT Oslo Blue
now considering putting an m57 bmw in...lots of people have done them and it looks relatively straightforward....the only annoying thing seems to be how hard it is to find a six speed manual bmw gearbox....not sure an r380 would cope very well
Post #893758 25th Mar 2021 7:20am
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JOW240725



Member Since: 04 May 2015
Location: Suffolk
Posts: 7866

United Kingdom 2012 Defender 110 Puma 2.2 XS CSW Orkney Grey
Great project which ever way you go, keep us posted Thumbs Up

You don't hear many people converting to the 3.9V8 anymore. James
MY2012 110 2.2TDCi XS SW Orkney Grey - http://www.defender2.net/forum/topic43410.html
MY1990 110 200TDi SW beautifully faded Portofino Red - https://www.defender2.net/forum/post743641.html#743641
MY1984 90 V8 Slate Grey - https://www.defender2.net/forum/post744557.html#744557
Instagram @suffolk_rovers
Post #893793 25th Mar 2021 9:56am
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Romadog



Member Since: 07 Jul 2011
Location: Powys
Posts: 1746

Have you spoken with Ashcroft Transmissions as they do kits for auto boxes on M57 and rebuild R380 boxes for both P38 and Defender?
https://www.ashcroft-transmissions.co.uk/m...f-kit.html
Post #893823 25th Mar 2021 12:04pm
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JohnPaynter



Member Since: 23 Nov 2020
Location: Falkirk Scotland
Posts: 21

United Kingdom 2001 Defender 90 Td5 HT Oslo Blue
I did check that out but i want to keep it manual if possible and stay with the r380.
think the m57 will bolt straight onto the p38 bell housing which goes onto the r380? not sure if thats right....but the m57 is looking the way to go...so many engines available...
Post #893825 25th Mar 2021 12:07pm
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Marta



Member Since: 21 Feb 2024
Location: New Caledonia
Posts: 3

 
Hi, I just saw your post. So? Has your project been successful? I did exactly the same.
Post #1026983 5th Mar 2024 9:51pm
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