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diesel oil in a 1.3l sierra
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Author:  haurp00ned [ Thu Nov 22, 2012 8:53 pm ]
Post subject:  diesel oil in a 1.3l sierra

hi all, i have been told since the 1.3l engines are old, it doesnt hurt to run some thicker oil through them every now and then. and i have heard that you can run diesel oil in them? but im not to sure and was just wanting your oppions on doing so and also if you can run diesel oil in them what do use guys recommend using? cheers.

Author:  Fatzook [ Thu Nov 22, 2012 8:58 pm ]
Post subject:  Re: diesel oil in a 1.3l sierra

You don't run diesel oil because its thicker...... Its not. Well.. it; like petrol oils; is available in different viscosities.

You run diesel oil because it has more detergents in it. This will remove carbon build ups ( slowly ).

The downside is, that if your motor is old and grubby on the inside, the carbon deposits may actually be stopping it from leaking. The diesel oil MAY cause oil leaks after some time, as it will remove the coking and carbon build up from the motor.

Having said that, I only run diesel grade oils in my suzuki's.

Author:  rob45x [ Thu Nov 22, 2012 9:33 pm ]
Post subject:  Re: diesel oil in a 1.3l sierra

castrol J Max or castrol Tection HD. thats what i run in mine

Author:  303zuke [ Thu Nov 22, 2012 10:01 pm ]
Post subject:  Re: diesel oil in a 1.3l sierra

"Diesel" engine oil is not exclusively for diesel engines. There are two important specs you should check when picking an engine oil. Viscosity is an important one, as too thin can cause engine wear while too thick can cause drag and loss of power. Go with an oil close to what's recommended in the FSM or Owner's manual.

The other important spec is Grade. Diesel grade are classified like CF, CG, CH etc, while Petrol grades are SG, SH, SL, etc. To remember which is which, "C" stands for Compression Ignition, "S" stands for Spark Ignition, and as the letters go up alphabetically, the later the specification.

Typical Diesel oils such as Shell Rimula X are the right viscosity, but are only graded CH-4 and does not have a petrol grading. It should NOT be used in a petrol engine. Other types of diesel oils, such as Penrite HPR Diesel 5 or 15 are rated CI-1 AND SL. They can be used in a Petrol engine. Ensure any Diesel oil you're looking at has an "S.." grading.

Author:  303zuke [ Thu Nov 22, 2012 10:11 pm ]
Post subject:  Re: diesel oil in a 1.3l sierra

rob45x wrote:
castrol J Max or castrol Tection HD. thats what i run in mine

Rob, what grade are these oils? Castrol's website isn't too clear, but it looks like these oils are exclusively Diesel oils with no Petrol grading.

Castrol Tection J Max

Castrol Tection HD

Author:  haurp00ned [ Fri Nov 23, 2012 7:49 am ]
Post subject:  Re: diesel oil in a 1.3l sierra

already then thans guys, fatzook what would you recommend for m to put into my zook? cheers. and also my brother uses castrol rx super diesel engine in his nissan patrol was just wondering if that is a decent diesel oil to use? cheers for all the information

Author:  Fatzook [ Fri Nov 23, 2012 8:48 am ]
Post subject:  Re: diesel oil in a 1.3l sierra

I use 15w/40 on mine. But like 303 said, make sure it has an 'S' grading.

Author:  haurp00ned [ Fri Nov 23, 2012 9:11 am ]
Post subject:  Re: diesel oil in a 1.3l sierra

ill just go with wht your using fatzook, what brand is it? cheers

Author:  303zuke [ Sat Nov 24, 2012 12:20 am ]
Post subject:  Re: diesel oil in a 1.3l sierra

haurp00ned wrote:
also my brother uses castrol rx super diesel engine in his nissan patrol was just wondering if that is a decent diesel oil to use?

Read the second page of the Castrol spec sheet:

Castrol RX Super

Author:  Goldnomad [ Sat Nov 24, 2012 7:09 am ]
Post subject:  Re: diesel oil in a 1.3l sierra

I think this warrants being placed in the Tech sub forum

Author:  rob45x [ Sun Nov 25, 2012 4:15 pm ]
Post subject:  Re: diesel oil in a 1.3l sierra

303zuke wrote:
rob45x wrote:
castrol J Max or castrol Tection HD. thats what i run in mine

Rob, what grade are these oils? Castrol's website isn't too clear, but it looks like these oils are exclusively Diesel oils with no Petrol grading.

Castrol Tection J Max

Castrol Tection HD


for tection HD it is ok for use in petrol engine API 'SL'

But it says J Max is not suitable for petrol engines.

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