Thinking of a turbo for your 1hz?

Submitted: Tuesday, May 31, 2005 at 02:23
ThreadID: 23442 Views:3265 Replies:2 FollowUps:5
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With all the Questions about getting more power out of your cruiser - this could be worth a look
It should be noted that Toyota Turbo 6 cylinders have never been simply the 2h or 1hz with a turbo bolted on but have been purpose built
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Reply By: Rosco - Bris. - Tuesday, May 31, 2005 at 07:25

Tuesday, May 31, 2005 at 07:25
Interesting article Davoe.

I've always been sceptical about turbo add-ons, regardless of the make.
As stated, factory turbo jobs invariably have heavier cranks, pistons etc.


AnswerID: 113672

Follow Up By: Nudenut - Tuesday, May 31, 2005 at 08:17

Tuesday, May 31, 2005 at 08:17
I think the article emphasises and stresses the need for maintenance and "dont go overboard"

The amount of boost is not proportionate with power gain. So when fitting after market stuff and this goes for any type of engine, petrol or diesal ....keep the boost down...a 5 psi boost may be all one needs....

FollowupID: 369749

Follow Up By: Rosco - Bris. - Tuesday, May 31, 2005 at 08:27

Tuesday, May 31, 2005 at 08:27
True, but the fact remains that most, if not all factory jobs come with heavier bits.
FollowupID: 369751

Reply By: Member - 'Lucy' - Tuesday, May 31, 2005 at 09:36

Tuesday, May 31, 2005 at 09:36
Aaaw! Davoe.

Now you have gone and done it, I'm not going to sleep well tonight.

Nah! just pushing your buttons.

I have a 1997 75series Troopy that I after market Turbo'd, and before doing so I spent many hours researching same as well as locating articles similar (if not the same) to the Safari 4x4 one.

Anyway, l
Aw! Dong story cut short, I had a DTS turbo kit fitted, the fuel pump and injectors removed, aneroid fitted, then recalibrated and bench test/set (whatever that thingo is/does) with an end result of 10% max boost (I think from memory).

That was 4 years ago and all is well.

The big trick is to prevent over fueling (the aneroid does that) and keep the boost within the limits the 1HZ can tollerate.

AND Thats why all of the above cost me $5200 instead of numerous other quotes of between $2500 -$3500. (From memory the aneroid alone was about $1500 supplied and fitted).

Just recently I fitted a EGT to see what was going on after checking out the '747 cockpit' of he who has one of every thing (Roachie) and found the operating temp around the mid range mark.

Anyway its all 'food for thought'

Ken Robinson
AnswerID: 113688

Follow Up By: Member - Roachie (SA) - Tuesday, May 31, 2005 at 09:47

Tuesday, May 31, 2005 at 09:47
G'day Ken, me ol' mate......
Next trick is to get your lubrication spot-on....(no, I don't mean your liberal use of KY gel!!!!!)
I know I'm as gullible as all get-out, but I reckon this by-pass filtering and use of 100% synthetic oil has to be one of the best kept secrets (or at least the worst marketed) that I have seen in decades.
My research on the topic has been a real eye opener.
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Follow Up By: Member - Davoe (Widgiemooltha) - Tuesday, May 31, 2005 at 20:45

Tuesday, May 31, 2005 at 20:45
Whats an aneroid?
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Follow Up By: Member - 'Lucy' - Tuesday, May 31, 2005 at 22:16

Tuesday, May 31, 2005 at 22:16
Evening Davoe

An Aneroid is a 'doodah/thingo' that is fitted to the the top of the pump.

Toyota factory fitted turbos all have a version of the Aneroid on them.

It is sometimes called an Altitude Compensator, whatever, its role/function is to tell the pump when boost is on or off so that it can compensate/ adjust the fuel delivery.

When set up correctly it prevents overfueling and the problems that come with same.

Thats the simplest way I can describe it.
FollowupID: 369889

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