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Wrong Expensive Oil Put In (redline)

ish

By ish,
in Engines & Forced Induction

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ish Proficient

ish

Posted
Posted

I just had discussion's with my mechanic where i told him i wanted a 10w 40 redline rating in the gtr! What it had!

I find out he couldnt get it and has put in a 15 w 50 version ... NOw i am paranoid about this because of the complex componnents in the 26's head

. He made a statement that i will have better oil pressure because it reads low on the guage ...

I just belive the Gauge is intermitent . and waiting to install a better device..

Now we are talking $130 worth of oil here and i just wanted opinions if i should re change or run it until next change ... What could happen ? Topend ware?

to me the motor is very Quiet and strong with 140,000 km's .. I do know it had its magor service at 100000 belt (Etc)

What do you think ?

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MANWHOR3 Proficient

MANWHOR3

Posted
Posted

Bascisally, nissan recommend a 7.5 w 30.

Thinner cold viscosity helps it to lubricate the engine quicker when it's been sitting e.g. overnight. Most of the wear to an engine occurs during start up.

The warm viscosity isn't as important. But a thicker oil requires more heat to break it down at high temperatures.

ish Proficient

ish

Posted
  • Author
Posted

Yeah its pissed me off a bit ..... I will do a short change 2000

To be hounest i just want the car outta his shop ...

He came across as knowing a bit but as you go along you realise that he is learning as he is going ... This is the last mechanic to ever touch this Car in the town of Albury Wodonga .. I have learnt so so the hard way ....

it is mega Cold here in winter so it makes no sense again!

Thanks

Ish!

Cubes Grand Master

Cubes

Posted
Posted

Yes do your own oil changees and use a nice PureOne or genuine filter.

The 15w50 will be fine, do remember nissan recommend 7.5w30 for a new motor with jap conditions being considerably cooler than ours.

I'd leave it in for the whole 5000k. No need to drop it. :(

As your spending so much on oil consider have an oil analysis done on it after 5k, then drop in the 10w40 do 5k on it and give that an oil analysis too. Will indicate which is better suited to the driving and condition of your motor.

RB30-POWER Mentor

RB30-POWER

Posted
Posted

Can you even get 20W50 in a good synthetic oil?

I've only seen 20W50 in cheap minerals oil, good for old XF Falcons and the like.

Have a go yourself, you couldnt, f**k up more then your mechanic already has. Didn't even do as you asked.

Trex101 Collaborator

Trex101

Posted
Posted
it was a case of me swallowing my temper to get my car outta there!

Redline make it in that Viscos For there Big ol Gappy motors in the States .

No, don't dump the oil. Redline being polyol ester base have pretty good cold pour point, i would say used it to 10k before you dump it.

Cubes Grand Master

Cubes

Posted
Posted
The oil you have will be fine, but if you want to have an argument with the mechanic that's up to you. One-off oil analysis falls into the same category as cryogenic treatment......a complete waste of time and money.

Not a complete waste of time.

Early notification of fuel, water air filter problems... And gives you an indication of the oils VI over your change period.

With regards to wear yes it can be a waste of time.

ish Proficient

ish

Posted
  • Author
Posted (edited)

SteveL it was way more things than just the wrong oil that caused tension.

I simply found out he had BS'd me on a few points > this Was not the Point of the Thread

I Asked here about the viscos because i didnt know and wanted to get the info form people that did, incase of Damage.

Regarding the OIL analysis I just found it Personaly interesting to see what becomes of the oil after a term, not to argue.

Its all good now ... Cars home ,it has its proper oil and the Vl Commie has its own batch now too, Nothing Wasted!

thanks everyone.

Edited by ishh

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