Shell Helix 5w-30 FS VS Royal Purple 5w-30 HPS

[jyg1995]

Hi! I would like to seek your professional opinion guys regarding those oils? Which do you think is better in terms of Engine Parts protection? By the way I'm changing engine oil every year regardless of the KMs I run when using FS Oil(AVG. 7,500KMS/Yearly) Both oils po kase almost on the same price tag kaya I'm choosing between the two.Or if you can suggest any other good oil to use? Plus which engine flush I should use? Ngayon kase na overdue na ako sa oil change hehe - Motul Clean Engine or Liqui Moly Flush? Some folks says Motul is more okay since it is oil based engine flush? Thanks!

Car: 2011 Nissan Grand Livina (34,XXX KMs)

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[StockEngine]

I prefer shell ultra. The hps should also work.

Both flushes are petroleum distillates - kerosene. Both gentle imo. Just follow correct amount to be used. Dont exceed idling time.

[Goma123]

Dont use engine flush as it does not lubricate the engine parts while idling. I go to GY servitek to change oil in my mitsu and they use compressed air to flush the remaining small amount of used oil.

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[StockEngine]

Dont use engine flush as it does not lubricate the engine parts while idling. I go to GY servitek to change oil in my mitsu and they use compressed air to flush the remaining small amount of used oil.

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The old oil is the carrier and still lubricates. The flush is just added detergents. Basically it just boosts the detergents in the existing oil.

So do you really think motul and liqui moly did not try their products before selling worldwide?

[benchman]

Dont use engine flush as it does not lubricate the engine parts while idling. I go to GY servitek to change oil in my mitsu and they use compressed air to flush the remaining small amount of used oil.

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do they have water/moisture trap with the air compressor? be cautious that there's water moisture with compressed air.
you'll be fine just letting it drip alone.

[Goma123]

Goodyear servitek i believe use the correct equipment. An ordinary talyer will not, though. Think thoroughly - adding kerosene to the used oil is not good since it will dilute it to less than the recommended minimum viscosity grade of SAE 30, maybe turning into SAE 5. Malabnaw na masyado. Kerosine has no lubricating properties at all, may impuritiees pa yan pag natuyo sa mainit ng parte ng ICE.

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[benchman]

Goodyear servitek i believe use the correct equipment. An ordinary talyer will not, though.

that's good to know then.

[unmarked]

Isn't engine flush one of those things na hindi mo naman talaga ma po prove kung may effect ba or wala. Parang its there lang to make you feel better or something. Or placebo. Proven ba talaga ito?

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[StockEngine]

Goodyear servitek i believe use the correct equipment. An ordinary talyer will not, though. Think thoroughly - adding kerosene to the used oil is not good since it will dilute it to less than the recommended minimum viscosity grade of SAE 30, maybe turning into SAE 5. Malabnaw na masyado. Kerosine has no lubricating properties at all, may impuritiees pa yan pag natuyo sa mainit ng parte ng ICE.

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Youre not running on pure flush. 300ml on top of the existing oil.

[StockEngine]

Isn't engine flush one of those things na hindi mo naman talaga ma po prove kung may effect ba or wala. Parang its there lang to make you feel better or something. Or placebo. Proven ba talaga ito?

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For well maintained vehicles it does little. But for cars that change oil "yearly" it will help.