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RiceEatingZR1
03-06-2007, 12:59 PM
Has anyone tried Royal Purple for Oil and the Trans Fuild? how is it compaired to Mobil -1
BBBAD94ZR1
03-06-2007, 05:49 PM
Would'nt put it in my lawn mower. Just my opinion.
Ray
RiceEatingZR1
03-06-2007, 10:44 PM
really why is that? just wondering? i was watching Horsepower TV and they did a Special on Royal Purple, so it got me wondering if anyone has used it in their Z's.
BBBAD94ZR1
03-07-2007, 08:02 AM
I know it has some additives to help stock leaks, I also have a buddy who changed from mobile 1 to royal purple and had bottom end failure shortly after. After engine oil analyis the company who did the test said stay away from Royal. All I know is I would not use it.
RAY
RiceEatingZR1
03-07-2007, 10:27 AM
OK then thats good enough for me. Thanks
HAWAIIZR-1
03-08-2007, 02:22 AM
I'm going with Royal Purple myself and will post my opinion after I have some experience with it. I have been using Mobil 1 since I bought my Z and not happy with the consumption rate so wanting to try something else. I bought a case but have not gotten around to changing it yet; I like what I have read about it in many different publications.:thumbsup:

As for the trans I'm going with the BMW Castrol synthetic formula recommended by the ZF Doc himself.
RiceEatingZR1
03-08-2007, 03:12 PM
Thanks, Let me know how the Royal Purple turns out. because I was impressed with what I have read about it.
blackjack
03-09-2007, 12:31 AM
from what i heard,1990 zr1 did not have valve guide oil seals,and are more prone to oil consumption than later z's
bj
HAWAIIZR-1
03-09-2007, 04:23 AM
from what i heard,1990 zr1 did not have valve guide oil seals,and are more prone to oil consumption than later z's
bj

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