View Poll Results: What do you think I should do?
Keep using same oil (mobile 1 5w-30)
11
39.29%
Switch to GC 0w-30
12
42.86%
Switch to Royal Purple 5w-30
5
17.86%
Voters: 28. You may not vote on this poll
Thinking about switching to a different oil in the 408
02-28-2009, 12:44 PM
#1
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Thinking about switching to a different oil in the 408 I have around 6k miles on my 408. I dont have any problems with it and it put down 515rwhp on the dyno. I am using mobil 1 5w30 since I put the motor in. I have been leaning toward the GC 0w30 or the royal purple. Just wanted some input on this.
02-28-2009, 01:01 PM
#3
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I've used GC for about 4 years and 40K miles and I wont use anything else. Very low if any oil consumption compared to others I have used in the past,Mobil 1,royal purple, ams oil....
02-28-2009, 02:25 PM
#5
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Whatever you do just don't go RP - sludge city. M1 is always a safe bet... I just switched to PP 5w30 - quieted down the engine a little no complaints. M1 always served my engine well for its first 116k miles (still running strong).
02-28-2009, 02:43 PM
#7
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I would say AMSOIL. used it my t/a have no complaints at all. did amsoil in a couple of friends cars/trucks and fixed some of there problems. i also had bad luck with royal purple. might be the shops fault on that one.
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, well i have a question , if the oil viscosity is light or soft it gives more HP's ?
03-01-2009, 05:28 AM
#16
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