I've got Magnatec in mine but it seems that's a no-no aye. What's so bad about it?

As long as you meet the minimum specs of 10W-30W (in WA) and use a good quality oil and replace it and oil filters on a regular basis any oil will be acceptable. Mineral oil , meh, semi syn better, fully syn the best (in my mind).

No major brand is going to be an issue - just remember to change and check your oil on a regular basis.

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[COLOR=Black]Liberty GT Spec B tuned 240 HP & 372 Nm at the hubs.[/COLOR] "Instead of banning high performance cars - ban low performance drivers"

Well it's 10w-40 and I just did oil and filter change 2 weekends ago. Did gearbox oil at the same time.

Did you read mine? I didn't say anything about your opinion or say genuine isn't relabeled magnatec. I just stated my opinion that I'd prefer to stay away from magnatec when there's other options. Just repeating myself :P

+1

^^^
going off sound logic here
i highly highly doubt subaru would use an oil in their cars which has an adverse effect on their engines

jus sayin

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simple tip- if unsure on what to fit/use on any car to use genuine, is the way to go for piece of mind, unless its a modded part of your vehicle.

I use and recommend Black and Gold 20w/50. Pours like honey, protects like nougat.

Brent.

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Surprisingly a great no calorie replacement for sugar in coffee if you ever run out.

Brent, are you breathing in and out at the moment.

"Don't judge me"

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[COLOR=Black]Liberty GT Spec B tuned 240 HP & 372 Nm at the hubs.[/COLOR] "Instead of banning high performance cars - ban low performance drivers"

No you don't Jordan, I know you top up with vegetable oil!

Any actual info/links as to why magnatec is so bad?

(I'd personally run whatever oil grade is recommeneded in your owner's manual or by you engine builder / mechanic).

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[COLOR="Gray"]550Nm off a 2L... Just wish it was in the dak dak...[/COLOR]