Limited slip additive, is it needed with Royal Purple?
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Joined: Apr 2002
Posts: 695
From: Hennepin, Illinois
Limited slip additive, is it needed with Royal Purple?
I'm currently swapping out my 2.73s for 3.73s. Normally you would put regular oil in and add some limited slip additive. Is the additive needed with Royal Purple Synthetic oil?
Last edited by LS1_03; Apr 20, 2005 at 10:04 PM.
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Joined: Dec 2001
Posts: 953
From: Montreal, Canada Not Quebec
Re: Limited slip additive, is it needed with Royal Purple?
I think that RP does mention that it is in the fluid but when I put it in I also added the GM additive and so far so good for the 2nd year running.
Thread Starter
Registered User
Joined: Apr 2002
Posts: 695
From: Hennepin, Illinois
Re: Limited slip additive, is it needed with Royal Purple?
Thanks a bunch, guys. I'll relay the info to my friend who's doing the swap. He's got additive and regular oil if it doesn't work out. 
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