Turbocharging for L/Cruiser 78 series deisel.

Submitted: Tuesday, Jan 25, 2005 at 21:05
ThreadID: 19771 Views:1836 Replies:2 FollowUps:2
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We are considering extracting a bit more power and torque from our Year 2000 L/Cruiser trayback, hopefully improving performance when towing our fairly heavy camper trailer. Any opinions on 1. What improvement we could expect and 2. Suggestions on brands and suppliers. Qld/ NSW. Thanks.
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Reply By: Chris (W.A.) - Tuesday, Jan 25, 2005 at 22:27

Tuesday, Jan 25, 2005 at 22:27
I'm not real experienced in the subject but my cruiser has just hit 312000kns and saving up to slap a 1HZ diesel with tojo turbo in it when the time comes.

I've heard all too often of overheating problems with aftermarket turbos being fitted and possibly other problems.

I've definitely got my sights on a genuine tojo turbo to throw in with the motor when the time comes. I dare say you would probably get better after sales service when it comes to warranty & the rest.

Obviously not cheap though but do you really save much versus aftermarket?

Hope it helps

regards
AnswerID: 94904

Follow Up By: Member - Davoe (WA) - Wednesday, Jan 26, 2005 at 14:58

Wednesday, Jan 26, 2005 at 14:58
be aware that you probably will not get any advantage using a genuine toyota turbo on a 1hz over an aftermarket one. Reason being toyota dont put them on the 1hz. Yep thats right the 1HD-T and the 1HD-FT have small but important changes so they are better equiped for turboeing such as direct injection and 24 valve heads (1HD-ft) same as the previos 2h and 12ht they dont just whack a turbo on them coz they are not desighned for it
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Follow Up By: Chris (W.A.) - Wednesday, Jan 26, 2005 at 21:28

Wednesday, Jan 26, 2005 at 21:28
I assumed that even the 100 series still use the 1hz with some improvements?...or is the 1hd-ft the fancy new abbrev. for it?

If not I'm sure Toyota would have corrected me when the time comes anyway as I'm going for a new one - not reconditioned.

Surely the early 80 series cruisers had 1hz with the turbos eg 1990 1995?

My mate's a mechanic and he's always sworn if somebody offered him a turbo for his 2H he gladly take it anyday.

In any event I would still stick to a tojo turbo over any other. Too many postive reports.
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Reply By: 80scruiser - Wednesday, Jan 26, 2005 at 12:14

Wednesday, Jan 26, 2005 at 12:14
Get in touch with Denco about their kit.
I have fitted one to my 1HZ 80 series and I am very happy. Extra power, extra torque and same fuel economy. For an example - 2500 km Sydney - Vic high country - Sydney with heaps of low range and returned 17 litres per 100km. That was fully laden. High way returned 13.9 l per 100 k.
At the same time as fitting get in touch with Ian from Thermoguard Instruments via this forum and purchase one of his EGT guages. You really need one.
No over heating.
Best of luck
AnswerID: 94974

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