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claxby



Member Since: 30 Sep 2019
Location: le14
Posts: 27

Disco V8 into defender

In theory would a Disco v8 bolt up to a Defender Td5 box ??

Post #836102 9th Jun 2020 11:45am
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mikeh501



Member Since: 07 Jan 2013
Location: United Kingdom
Posts: 990

United Kingdom 1994 Defender 90 V8 Petrol SW Alpine White

yes, and you will be using the d2 v8 manual bell housing.

Post #836114 9th Jun 2020 1:24pm
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Lodelaner



Member Since: 04 Feb 2010
Location: Hungerford
Posts: 465

United Kingdom 1988 Defender 90 V8 Petrol ST Shire Blue

If you're putting in a disco V8 the simpler route is to get it intact with the bellhousing, clutch gubbins, slave and gearbox.

Alternatively you'll need to change and swap out:

    V8 bellhousing from D1/2 or later manual RR. Not the most common of items I found.
    V8 input shaft
    V8 flywheel
    Spigot Bush
    V8 Defender clutch, fork and slave cylinder
 JB

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Post #836117 9th Jun 2020 1:41pm
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Shroppy



Member Since: 25 Feb 2016
Location: Shropshire
Posts: 563

United Kingdom 1986 Defender 130 V8 Petrol HCPU Aintree Green

As above, there a many ways of doing it, some involve new mounts (and therefore props).

I've chosen to go down the route of a D1/Defender V8 bell housing, new input shaft and associated bits as this keeps the engine and box in the 'factory' position within the chassis and reduces the amount of faffing around you need to do. Depending on the way you choose to go, I may have some of the bits you'll need.

A small number of V8 defenders were supplied with R380s but, they were more commonly supplied with LT77/LT85 boxes. The TD5 R380 (should be suffix K or L) is a good choice as they are stronger than their predecessors. 1985 127 V8 Build Thread
Series 1 80"
Series 1 88" 4x2 Build Thread

Post #836136 9th Jun 2020 3:39pm
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Hufflepuff



Member Since: 25 Oct 2014
Location: Hampshire
Posts: 562

England 2005 Defender 90 Td5 XS CSW Tonga Green

I have a R380 and a bell housing from Ashcroft which I am hoping to fit to the back of a Rover v8 next week. Fingers crossed things line up - I'm not worried about propshafts as I need to get new ones of those anyway, but I really do want the gearbox and transfer box mounts to line up with the holes in the chassis. 2005 Td5 90 XS
1989 V8 110 CSW

Post #836159 9th Jun 2020 5:48pm
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Lodelaner



Member Since: 04 Feb 2010
Location: Hungerford
Posts: 465

United Kingdom 1988 Defender 90 V8 Petrol ST Shire Blue

What are you fitting them into Hufflepuff? If your gearbox is in the same place props will align of course. JB

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Post #836168 9th Jun 2020 6:07pm
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Hufflepuff



Member Since: 25 Oct 2014
Location: Hampshire
Posts: 562

England 2005 Defender 90 Td5 XS CSW Tonga Green

I'm replacing the noisy old standard LT85 with an uprated Ashcroft R380, supplied with what we hope is a suitable bell housing. I am aiming to bring a bit of sophistication to the 110 Very Happy

It will be fireworks and champagne, or tears and sorrow next week. 2005 Td5 90 XS
1989 V8 110 CSW

Post #836215 9th Jun 2020 9:12pm
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Lodelaner



Member Since: 04 Feb 2010
Location: Hungerford
Posts: 465

United Kingdom 1988 Defender 90 V8 Petrol ST Shire Blue

It’ll fit. Chill the bubbles.
Gearbox mounts are even the same in the forward position and the seat box has the bulge next to the handbrake.
Props are close enough not to matter. JB

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Post #836229 9th Jun 2020 9:33pm
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Hufflepuff



Member Since: 25 Oct 2014
Location: Hampshire
Posts: 562

England 2005 Defender 90 Td5 XS CSW Tonga Green

I've got a new seatbox in the mail from YRM. By the time I'd added in the end plates, the two extended boxes and the front plate, it was not much more to get a full new one from them for the R380. Must admit I didn't realise the LT85 was the same cut out though, that might have swayed the decision.

Thanks for the info on the fitment, bubbles on chill. 2005 Td5 90 XS
1989 V8 110 CSW

Post #836243 9th Jun 2020 10:04pm
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mikeh501



Member Since: 07 Jan 2013
Location: United Kingdom
Posts: 990

United Kingdom 1994 Defender 90 V8 Petrol SW Alpine White

didnt realise they did a complete seat box, otherwise i wouldnt have spent hours refurbing mine lol.

Post #836282 10th Jun 2020 9:07am
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claxby



Member Since: 30 Sep 2019
Location: le14
Posts: 27

thanks all...good luck

Post #836300 10th Jun 2020 10:46am
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Hufflepuff



Member Since: 25 Oct 2014
Location: Hampshire
Posts: 562

England 2005 Defender 90 Td5 XS CSW Tonga Green

mikeh501 wrote:
didnt realise they did a complete seat box, otherwise i wouldnt have spent hours refurbing mine lol.


Yes I was a little surprised as well, but here we have it in its full glory:


https://yrmit.co.uk/product/seat-box-frame-lr-defender-r380-lt85

You do pay for the privilege though it must be pointed out. 2005 Td5 90 XS
1989 V8 110 CSW

Post #836307 10th Jun 2020 12:16pm
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