Which oil??

Submitted: Thursday, Jun 16, 2005 at 13:33
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Well, I'm confused! I have a 100 series with a 1Hz diesel motor and aftermarket Denco turbo. The manual suggests 10,000 service intervals and recommends 15W-40 oil complying with CF-4 or better. I have looked at various web sites and even asked a couple of service centres and the more I enquire, the more confusing things seem to get. They all have their hype and tell you they are the best. Who do I believe? What are others using out there with similar setup to mine? At this stage it looks like I need at least a semi-synthetic, but which one is best suited for me?
I hope someone out there can help me with some 'real' facts and advice.
Thanks in advance.
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Reply By: Russel & Mary - Thursday, Jun 16, 2005 at 13:47

Thursday, Jun 16, 2005 at 13:47
Hi Gerry, it is a little daunting I agree, but I think if you used a diesel engine oil as opposed to just "engine oil", you will have no problems. I feel that the higher compression ratio of diesel engines (needed to compress air/diesel spray to the point that it gets that hot that it ingnites) deserves some of the better oils on the market. We use Shell 15W40 Rimula Diesel oil in everything including petrol motors as it has a higher specification than oil for petrol motors.
Of course every oil company has it's own 15w40 but get it in a dedicated diesel engine oil. Rus.
AnswerID: 116022

Reply By: johnsy1 - Thursday, Jun 16, 2005 at 14:00

Thursday, Jun 16, 2005 at 14:00
this is from shell all the others have similar pages.

Land Cruiser HZJ70, HZJ73, HZJ75, 1HZ Diesel (1989-1999)
Shell Helix Diesel Super
Capacity 9.3* Litres (See Note 3)
Shell Spirax A 80W-90
Capacity 4.9 Litres
Shell ATF Dexron III
Capacity 6.0 Litres (See Note 17)
Shell Spirax A 90 LS
Capacity 2.5 Litres (See Note 15, 35)
Shell ATF Dexron III or Shell Helix Power Steering
Shell Spirax A 90 LS
(See Note 35, 63)
Shell Spirax A 80W-90
Capacity 2.2, 2.1 Litres
* Includes Oil Filter
3 May also use RIMULA D 15W-40 or RIMULA X 15W-40.
15 Rear differential.
17 May also use HELIX ATF DEXRON III.
35 May also use HELIX LSD 90.
63 With differential lock system, 2.6 litres; without, 2.3 litres.

© Copyright 2003, Datateck Publishing Pty Limited

the above info is sourced from this link in Shell

AnswerID: 116023

Reply By: 80scruiser - Thursday, Jun 16, 2005 at 22:08

Thursday, Jun 16, 2005 at 22:08
As above here is caltex's link
caltex oils
I have an 80 series 1hz with denco turbo.
I use Gulf Western 15/40 Top Dog SL diesel oil. We use this in most cars and trucks as it is the top of the range.
I change oil every 5000 and oil and filter every 10 000. Has done 286 000 k now and compression is better than new, uses no oil.
I don't think it matters what brand you use so long as its a reputable brand and stick with 15/40.
AnswerID: 116073

Reply By: Allan-Pilbara - Saturday, Jun 18, 2005 at 19:57

Saturday, Jun 18, 2005 at 19:57
I work for a large mining company and we run Shell Rimula X in all 4wd and earthmoving epuipment. It is easy to find at any shell for when you are servicing on holidays.

AnswerID: 116276

Reply By: Horacehighroller - Saturday, Jun 18, 2005 at 21:19

Saturday, Jun 18, 2005 at 21:19
G-day Gerry, I too have an HZJ 105 but without turbo.

I used to change at 10,000 when the vehicle was doing reasonably long runs - (2 hours plus), but now most of our trips are 10 Min suburban travelling so am changing at 5,000

I wouldn't waste the money on synthetics as it's not worthwhile for indirect injection motors(they put too much cr#p into the oil).
Unless you're doing long easy runs I'd change at 5,000in the 1HZ, particularly if towing, 4 x 4ing, dust etc

I use Castrol CXJ (CF-4 15W40) which is supposedly designed for Jap vehicles.
(Apparently ring lands/spacing is different between American/European/Japanese with different oil properties required)

Good Luck

AnswerID: 116291

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