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Thread: TD42 into Defender 130? Anyone done it?

  1. #1
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    TD42 into Defender 130? Anyone done it?

    Hello all!

    Ok, sat in my shed is a Turboed TD42 Nissan Diesel and Patrol gearbox.. My thoughts r to replace the Td5 with it as it'll take the heat and abuse a lot better!! Anyone ever done it? Drove a Patrol with a tweaked Td the other day and hell it went well! Thoughts please, cheers. Simon.

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    Does the tape say it fits? I would have thought a 6 would be too long.
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

  3. #3
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    Is your TD5 tweaked ?
    I would've thought more scope, more easily with the TD5 ?

    I like the TD42T, we have one here in a GU but they're a lump of a thing and asthmatic as hell stock, but are hard to kill.


    You'd need to at least fit a 1.2:1 high range too, they don't rev as well as a TD5.

  4. #4
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    Nah, not that I know of... Trouble is it's getting heavier by the day.... 285 tyres, roof rack, roo bar, air tank, camp body and under tray.. Tirfor that lives in the back... Just thinking that it's a lot to ask of an already overloaded 2.5 with 240000kms on the clock. Not only that, I'm tryin to get away from the wiring/ecu's that u can't fix when in the middle of a creek 500 km away from civilisation.. The TD's are great for bolting huge turbos onto, adding intercoolers and exhausts like dustbins, having the boost running at 14psi + and still being reliable... Oh for a mechanical 5 litre Td5! They do sound nice even if they are too small!! As for length... It'll fit!! I'll make it fit! There's a lot of room between the bulkhead and back of the engine. Planning to use the Patrol 5 speed and make my conversion plate between that and the LT230. I hear ya re gearing it up... Been looking for a 1.192:1 ratio (V8 90) but it seems they are as rare as chooks teeth over here! Think the old auto Rangie 1.003:1 wud b too high!.... Fast tho!!!!!

  5. #5
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    I saw one last weekend in a defender, engine and gearbox, as Slunnie said Toooo long to fit, the gear levers were between the seats due to the long bellhousing on the box. made you wonder why they did it, it wouldnt have been very nice to drive. Dont know how it went, the owner wasnt preasent

    Cheers Steve

  6. #6
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    LRA used to fit the GQ 'box to Landies so an adapter plate/input shaft must be available somewhere to fit it up to the LT230.

    The gear lever is too far rearward in the GU, so I can see it needing to be bent forward as klonk said to get somewhere near the right spot in a Defender.

    It's a heavy lump of a thing and long, that's why everyone prefers the 4BD1T.

    Even more potential power/torque (I've heard it's stronger internally, the Challenge blokes spend a lot of $ beefing the TD42T up to take the boost, etc) just not as smooth as a straight six.

    I've been thinking of a GQ box behind a 4BD1T but I don't like the ratio spread, it's a bit wider than the R380. Good for low/low work but I like the jumps between gears closer, and I reckon the R380 ratios would really suit an engine with a more limited rev range.
    I reckon The GQ box shifted better than the GU 'box too.

  7. #7
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    Quote Originally Posted by Sitec View Post
    Been looking for a 1.192:1 ratio (V8 90) but it seems they are as rare as chooks teeth over here! Think the old auto Rangie 1.003:1 wud b too high!.... Fast tho!!!!!
    Discovery is 1.2:1. You'd be pretty lucky to find one that isn't that ratio.
    Cheers
    Slunnie


    ~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~

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    I have often thought a 12HT or 12HDT FTE with the corresponding autobox from the 60 and 80/100 series respectively would be a fantastic fit to a 110. A very strong, reliable, smooth and torquey turbo diesel 6 would be a fantastic powerplant. If that guy in the UK can fit the 6BD1T to his Defender, then a toyota 6 will be no problem. I don't have a problem with the Td42, but the Toyota 12HT etc are just a little bit better/ refined IMO.
    You might also notice that the trans stick in the 5 speed 80 series box may even be a better fit / position than the Nissan one.

    JC

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    Quote Originally Posted by justinc View Post
    I have often thought a 12HT or 12HDT FTE with the corresponding autobox from the 60 and 80/100 series respectively would be a fantastic fit to a 110. A very strong, reliable, smooth and torquey turbo diesel 6 would be a fantastic powerplant. If that guy in the UK can fit the 6BD1T to his Defender, then a toyota 6 will be no problem. I don't have a problem with the Td42, but the Toyota 12HT etc are just a little bit better/ refined IMO.
    You might also notice that the trans stick in the 5 speed 80 series box may even be a better fit / position than the Nissan one.

    JC
    Or you could just leave the 12HT or 12HDT in whatever toyota it is in and drive it
    "Dolores" my '97 model 300tdi D1 and "Donkey" my '20 RE Himalayan.

    Previous: ‘00 D2, '04 110 wagon, '96 D1 and '95 110 ute, plenty of other bikes and cars too :angel:

  10. #10
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    Re: TD42 into Defender 130? Anyone done it?

    There is an Rrc around with a 1hz. It filled the engine bay and required relocated radiators etc. A lot of work for an average engine. The 1hdfte is an excellent engine of the same size. But 6 cyls is a fuel consumption penalty. Far better than a td42.

    Plenty of excellent Isuzu and Toyota 4 cyl diesels to pick from.

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