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Old 02-15-2012, 08:00 PM   #1
roccrew585
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Default Royal Purple XPR vs Motul Gear 300v

I have a 04 Sti with fully built engine using methonal injection, and currently using Royal Purple Racing Motor Oil 10W40 XPR. But I hear rumor from people, saying RP kills your gasket and seal. Is this statement is true? Has anyone use this oil? any issue? It runs great in my car right now. should I change it to Mutol gear 300v?
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Old 02-15-2012, 11:00 PM   #2
JamesWilson2
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Motul Gear300 is for the transmission. 300V is for the engine.

RP doesn't kill seals. Poachers kill seals.

Run whatever synthetic you'd like, there are a ton of good choices out there, and the XPR line from RP is fairly stout.
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Old 02-16-2012, 08:07 AM   #3
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Old 02-16-2012, 06:16 PM   #4
roccrew585
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Thanks for the advice, I'll stick with RP XPR since I just change the oil recently.

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Originally Posted by JamesWilson2 View Post
Motul Gear300 is for the transmission. 300V is for the engine.

RP doesn't kill seals. Poachers kill seals.

Run whatever synthetic you'd like, there are a ton of good choices out there, and the XPR line from RP is fairly stout.
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Old 02-27-2012, 10:00 PM   #5
roccrew585
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has anyone else tried using RP XPR?
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Old 03-16-2012, 03:18 PM   #6
Jermaine2011wrx
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i use it in my 11 wrx no problems with it, temp is a little lower actually
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