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What Oil To Run In A Forged Engine

WARLORD

By WARLORD,
in Engines & Forced Induction

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Johnny Veteran

Johnny

Posted
Posted
Johnny - I disagree 15w is too thick for a turbo, if you heard metal grinding on the turbo like you posted I'd say it';s a fair chance you had stuffed turbo bearings that would not be caused by the weight of the oil (cheap oil maybe?). I have run a 300V 15W-50 thru my pair of HKS 2530s for 5 years and they are both in perfect working order.

Hey man, my experience was on an s15 with a t28 so might be a bit different??? I had some motul 15w50 and when i put it in the turbo made a 'metallic rattle for a few seconds'

next morning it did the same thing and the car would be hesitant to rev when i drove it.

Immediately switched to a 5w40 and problem solved.

I didnt know 300v made a 15w50; is it any good? hows it on coldstart?

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Beer Baron Grand Master

Beer Baron

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castrol edge is rubbish imo. they spend a shitload more on marketing and BS advertisments than they do on making good oil. the cheap motul oils like turbolight are rubbish. the 300V is 100% synthetic ester and is head and shoulders above anything else i've used. it's the top of the tree. most of the other so called synthetics are not a full synthetic and are blended rubbish.

i put 300V in the legacy GT (JDM liberty GT basically) my mum drives! i put it in the lowly silvia which makes 230rwkw and needs a decent oil as it's running a trust turbo kit which relies on the engine oil for turbo lube and turbo cooling. and I have used it in the GTR(s) from day 1. never had a problem with any of them. I even did a UOA (used oil analysis) some time ago and the results were good. :D if you care about and value your engine 300V (in the appropriate weight) is the way to go. and the myth about it not lasting long as it's a race oil is rubbish. it's just a very good oil and will last longer than a poor one and still have all it's great properties (high film strength etc).

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