Thread: Royal Purple
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Old 07-26-09, 10:29   #11 (permalink)
MBenz
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Re: Royal Purple

Quote:
Originally Posted by flamewerks View Post
I've been reading a lot of bad stuff about RP lately. I'll either be going with Amsoil or Redline for all oils in my car.
You can't go wrong with either of these. I do prefer amsoil because they were the first to make synthetic oil back in the 70's. Redline did make a noticeable difference in my trans. It shifts much smoother even at lower temps.

For my cars i put redline in diffs, t-cases, and transmissions. Amsoil goes into the engine with a mobil1 filter every 5000-7500 miles.
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