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I want to use royal purple? Hollar back and let me know what you all are using? And if i should use royal purple?

I use Royal Purple 20w50 in my 2003 Forester XT. Works good for me.

I use Mobil1 15w50 on my Fozz .. works great for me

cool thanks

castrol synthetic mix 10w30 for me....but i'm n/a.

I now buy Royal Purple 10w30 for my '03 WRX.

I'll change oil soon and tell you how it goes.

I use Royal Purple XPR 10W40 in Subaru race car

My wife's TS uses the same

my GD road car uses the 10w30 RP XPR.

RP Max Lube 75w90 gear oil in the diffs and the gearboxes


RP purple Ice in the radiators.

using RP close to 10 years now, do not have a single complaint.

if you are unsure as to what oil to use call the guys at Rooks Engineering, they are the distributors.

They will help you

mobil 1 period............... fozz sti

Mobil 1 Extended Performance 15W 50 in my 03 LGT, car runs about 2-3 Degrees cooler compared to castrol 20W50.

i use royal purple XPR 10W 40 Which is specially recommended for turbo charged engines...in my subaru........i also distribute royal purple.......and its a damn good oil!!!!!

monk_t wrote:Mobil 1 Extended Performance 15W 50 in my 03 LGT, car runs about 2-3 Degrees cooler compared to castrol 20W50.

it really runs cooler? interesting!

i use redline 20w 50. heard that this royal purple ok. Did not realize so much people use it though

red line when i can but mostly mobil 15w50

My STI has AVCS ,so I'm using Amsoil 10w-40..topnotch..