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I put in RP into my G along with the RP oil filter. Only thing I can tell for my car is when I drive my car hard it doesn't have that burnt smell afterwards with RP vs Pennzoil.
Tried the the gear oil in my differential on an auto transmission. Didnt like it at all. When starting cold the shifts were much harder than stock oil. When warm it was normal. Drained it in 25K.
yup but from what I remember there was two different RP types one was just the HPS they call it in think (high performance street) oil and the other was the same but it said it has synerlec? in it.
