Turbo... Issue

Turbo, Manifolds, Exhaust, Intercooler, Internals etc

Turbo... Issue

Postby andrewg1996 on Wed, 04 Apr 2018 2:18 +0000

Hi all,

I was wondering if there is anyone out there who could give me advice on my current Hilux problem: I have a 1993 3L Diesel Hilux, with a turbo added. As I was driving I heard a knock, followed by a loud ghostly noise that changed it’s pitch along with the sound of the turbo. Upon inspection from a mechanic, he showed me the turbo’s impeller was quite badly smashed up, as if a rock or nut had gone through it.

The first and more preferable option (if it didn’t cost so much), would be to take it to a mechanic and have them fix it. I would tie this trip in with a replacement of the head gasket.

Secondly, the turbo- although retro-fitted- is stamped with a Toyota logo, so I assume it is off a surf or similar. Does anyone have any advice on swapping it or the impeller for a second hand one?

And the final option is I find a stock intake manifold and return the motor to normal aspiration. Can anyone give me experience regarding top cruising speed, economy, and torque on normally aspirated 3L diesels? I spoke to someone who said his cruises at 105kmh easily, whereas mine doesn’t really like going above 95kmh.

Thanks everyone for your help.
Posts: 1
Joined: Wed, 04 Apr 2018 2:14 +0000
Location: Western Australia


Re: Turbo... Issue

Postby 1995ln107r on Thu, 28 Apr 2022 8:54 +0000

best thing you can do is replace the turbo with a ct20 from a 2.4l turbo surf, or you could replace it with a small garret turbo if your willing to spend the money, this is the better option.
I have recently installed a ct20 turbo kit to my 3l and the improvements are unbelievable, where it used to gain quite a bit of heat when cruising at 110 it now cruises happily at 120 and the temps stay in a comfortable place due to the ct20 being oil and water cooled.
there is also a significant improvement in fuel efficiency with the turbo, my 3l used to barely get 300km to a tank where it now gets excess of 500- 600 km when highway cruising, as well as this the engine is noticeably quieter due to the fact that it is no longer struggling to push the amount of weight I have loaded on the back of it.

In short I think it would be silly to return the engine to naturally aspirated, you should spend the money and replace the unit with a small reliable garret turbo and the improvements should be significant.
Posts: 1
Joined: Fri, 01 Apr 2022 9:25 +0000
Location: jerilderie, nsw

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