Diesel tuning specialist in Sydney

Submitted: Tuesday, Oct 15, 2013 at 13:04
ThreadID: 104722 Views:4042 Replies:3 FollowUps:3
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Hey all,

I've just had the engine in my 1HZ troopy rebuilt as well as the injector pump and reco injectors.

It has the DTS turbo kit with intercooler. I've also got the injectors rebuilt with higher cracking pressure for turbo applications.

We will be shipping the car overseas for a round the world expedition. Some of this driving will be in altitudes over 4000m, the pamir mountain range in Central Asia for example.

I'm looking for a reputable diesel tuner with dyno that can get the mixtures right for my setup and our intended destinations.

It's running stock boost, whatever the DTS turbos waste gate is set at, I have a boost gauge and pyrometer which I will fit. I have also rebuilt the engine with AE pistons which are much stronger than OEM due to the extra strain from the turbo.

The bloke at the APA Diesels Yenoora that rebuilt the diesel pump said he knew where to set it to suit turbo applications and that it would not need further tuning. Although I'm sure he has a lot of experience I still want to get it 100% right on a dyno before we set off.

A lil off topic here but what are these 1HZ motors like performance wise, I know it's like a truck and can not compare to today's common rail diesels. But even with the turbo, on the F3 (if your familiar) the two big hills after Orimba and the Mooney Mooney bridge it only manages about 60km flat chat full boost, empty car. I never drove it before the rebuild so can not compare and was thinking (hoping) maybe the diesel pump isnt providing enough fuel hence the lack of performance. (It's fitted with an 80 series LC auto as I'm paraplegic and can only drive auto, so that may be sucking power.)

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Reply By: racinrob - Tuesday, Oct 15, 2013 at 16:04

Tuesday, Oct 15, 2013 at 16:04
The 1HZ engines were never known as a power house so like you I fitted a DTS turbo, a move I never regretted and got quite good trouble free performance for over 200,000 kms before I sold it. From memory I could climb the two hills you mention at better than 60kph, a tray back carrying a slide-on camper. I'm not sure but I think the turbo pressure was set at 12 lbs.
Not allowed to mention names but the turbo was fitted and serviced by a mob south of Sydney on the Hume Highway.

AnswerID: 519736

Follow Up By: rb30e - Tuesday, Oct 15, 2013 at 16:17

Tuesday, Oct 15, 2013 at 16:17
Oh is there a policy of not naming/promoting businesses on this site? Are you able to PM me?

Do you know if they recalibrated your diesel pump after fitting the turbo?

I just went up the F3 and happened to meet up with a 1hz troopy after the Brooklyn bridge heading north. He had no probs holding 110 up the hill there (100 zone :) ) no bonnet scoop so assuming it was not turbo. I'm thinking maybe the gearing in the auto may affect it also.

Does anyone know the difference between 75 series and 80 series diffs, manual and auto?
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Reply By: rb30e - Tuesday, Oct 15, 2013 at 16:20

Tuesday, Oct 15, 2013 at 16:20
Second thoughts the gearing doesn't seem too far off cruises at 100kph at about 2200rpm. Does that sound right or maybe a little low.
AnswerID: 519737

Follow Up By: Member - mick C (NSW) - Tuesday, Oct 15, 2013 at 21:07

Tuesday, Oct 15, 2013 at 21:07
Try specialist diesel service in Southern Highlands [just off Hume Hwy ] have used them for 19 years and another satisfied customer
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Reply By: Malcom M - Thursday, Oct 17, 2013 at 07:40

Thursday, Oct 17, 2013 at 07:40
West End Diesel in western Sydney
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Follow Up By: KiwiAngler - Friday, Nov 01, 2013 at 21:31

Friday, Nov 01, 2013 at 21:31

WestEnd do an excellent job
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