Toyota Landcruiser Engines

Submitted: Tuesday, Apr 17, 2007 at 22:03
ThreadID: 44429 Views:5740 Replies:4 FollowUps:5
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Does anyone know if I can replace the engine and gearbox on my BJ70 (which is a 3B, 4 Cyl Diesel) with a 1HZ engine and gearbox - will it fit? Thanks
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Reply By: Member - DOZER- Tuesday, Apr 17, 2007 at 22:14

Tuesday, Apr 17, 2007 at 22:14
Not only will it fit, but it will fly and be registerable, because toyota made a hzj70 in 1990 aswell as a pzj70. Ive been speaking to a guy who put a hdft from a 97 model 80 series with 5 speed in his bj70....now that needs wings...
AnswerID: 234088

Follow Up By: Imstat - Tuesday, Apr 17, 2007 at 22:18

Tuesday, Apr 17, 2007 at 22:18
Thanks Dozer - I am thinking that of all the parts, the tailshaft might be hard to locate. Any ideas?
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Follow Up By: Member - DOZER- Tuesday, Apr 17, 2007 at 22:28

Tuesday, Apr 17, 2007 at 22:28
75 front one and a cut down 80 series rear one.
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FollowupID: 494990

Reply By: Peter 2 - Tuesday, Apr 17, 2007 at 22:21

Tuesday, Apr 17, 2007 at 22:21
It 'will' but you will need a few bits from the donor vehicle (a HZJ 75)
The biggest difference is the radiator and cowling, it will be much easier if you have a donor vehicle rather than just an engine and gearbox as there will be quite a few little things that you will need to change.
If you don't have a donor vehicle I'd try and get yours and a 75 side by side to compare before you start.
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Follow Up By: Imstat - Tuesday, Apr 17, 2007 at 22:40

Tuesday, Apr 17, 2007 at 22:40
Thanks Peter 2 - I think that's very good advice as I could see exactly what goes where
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Follow Up By: Peter 2 - Wednesday, Apr 18, 2007 at 07:30

Wednesday, Apr 18, 2007 at 07:30
Another idea is to fit a later model 4 cylinder Toyota turbo motor, they come in 14BT, 15BT and the motor in the current Coaster is a 4.2l turbo intercooled.
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FollowupID: 495028

Reply By: hiab - Tuesday, Apr 17, 2007 at 22:39

Tuesday, Apr 17, 2007 at 22:39
if yours is a 3b turbo, keep it they are great motors, spend the cash on a rebuild and get the cam ground, not too lumpy, open the ports, up the valve size, add a fuel compensator, get the turbo fins angle adjusted, and the fuel pump recalibrated to suit and she will go like bleep off a slingshot. people forget just because it is a diesel it cant be modified, it is still an internal combustion engine and any mods in a petrol engine can be done to a diesel. just dont give it too much fuel.
AnswerID: 234095

Follow Up By: Peter 2 - Wednesday, Apr 18, 2007 at 07:28

Wednesday, Apr 18, 2007 at 07:28
If his is a BJ70 they didn't have the turbo only NA, the turbo was only fitted to the BJ73 middies.
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FollowupID: 495027

Reply By: ross - Wednesday, Apr 18, 2007 at 06:08

Wednesday, Apr 18, 2007 at 06:08
It shoudnt need any mods to the tailshaft as the gearboxes all sit in the same place.
The shorter 4 cyl has a longer shaft on the water pump to to reach the radiator.

I swapped the old 3F in my FJ73 for a 1HZ .The 1HZ radiatior was a straight bolt up as were the power steering lines.
I had to weld new mounts on and change nearly everything from R to L or L to R.
AnswerID: 234133

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