Nissan 370Z Forum
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Nissan 370Z Forum (http://www.the370z.com/)
-   Engine & Drivetrain (http://www.the370z.com/engine-drivetrain/)
-   -   What is the best synthetic oil? (http://www.the370z.com/engine-drivetrain/22342-what-best-synthetic-oil.html)

Jeffblue 07-22-2010 09:25 AM
Quote:
Originally Posted by spearfish25 (Post 638958)
I've found that a 1:1 mixture of Castrol GTX and toilet water makes the car run much smoother and quieter. Nastier the toilet water, better she runs. My Z is a dirty girl.
...2 girls one quart

NIZMOZ 07-22-2010 01:14 PM
Quote:
Originally Posted by GZ3 (Post 639045)
yeah royal is not that good, so were theses UOAs specific to the 370 motor?
Well mostly VQ series engines. The VQ is a bit hard on oils and RP just didn't do well.

wishihadnav 07-22-2010 04:24 PM
check this out taken from the Mobil 1 website...seems like there are Esters in Mobil 1?

Is Mobil 1 an Ester Oil


Decide for yourself if you want Mobil 1 or not

Red370 07-22-2010 04:32 PM
Quote:
Originally Posted by NIZMOZ (Post 639517)
Well mostly VQ series engines. The VQ is a bit hard on oils and RP just didn't do well.
RP does just fine in mine. Been running it for 18,000 miles so far and 60K+ in my last car. Here is a good test, RP is one of the best.

http://www.animegame.com/cars/Oil%20Tests.pdf

LiquidZ 07-22-2010 04:53 PM
Quote:
Originally Posted by Red370 (Post 639857)
RP does just fine in mine. Been running it for 18,000 miles so far and 60K+ in my last car. Here is a good test, RP is one of the best.

http://www.animegame.com/cars/Oil%20Tests.pdf
This article is thrown around a lot by Royal Purple users. This test is really only designed to see if an oil has extreme pressure additives in the oil formulation. It is not a measure of how well an oil performs, although this test leads people to believe so.

wishihadnav 07-22-2010 05:02 PM
:koolaidwall:

IDZRVIT 07-22-2010 05:23 PM
I've had great success with used Harley-Davidson oil from my bikes which came used from my vette which came used from my Kia which came used from my John Deere lawn tractor which came used from my deep fryer.

wishihadnav 07-22-2010 05:43 PM
Quote:
Originally Posted by LiquidZ (Post 639901)
This article is thrown around a lot by Royal Purple users. This test is really only designed to see if an oil has extreme pressure additives in the oil formulation. It is not a measure of how well an oil performs, although this test leads people to believe so.
:iagree:..those additives are better served in gear oil due to their corrosive nature..

Red370 07-22-2010 05:50 PM
someone show me definitive evidence that RP does more harm than good, because i've researched all over the place and found nothing but heresay, Jordo seems to know a bit, whats your take?

wishihadnav 07-22-2010 05:57 PM
Quote:
Originally Posted by Red370 (Post 639996)
someone show me definitive evidence that RP does more harm than good, because i've researched all over the place and found nothing but heresay, Jordo seems to know a bit, whats your take?
i read prolonged use of RP will eventually corrode and blow the motor up haha:icon17:..nobody's saying that RP is bad..it may very well be the best..or the worst..haha jk.

wishihadnav 07-22-2010 05:59 PM
were just saying that a 4ball wear test is not a good indicator of oil performance in engines..that's all.

370Zsteve 07-22-2010 06:02 PM
Quote:
Originally Posted by Matt (Post 636217)
@ 370zSteve: I've not seen 230 yet, and that's driving hard and fast in 106+ temps here in GA. Hell, even on the dyno day sitting in 90's and then doing 5 pulls on the dyno it didn't get up that high.
Ya well turns out I'm at 220 not 230 :rolleyes:, the needle was in front of the 2nd '2' :ugh2:

LiquidZ 07-22-2010 06:37 PM
Quote:
Originally Posted by Red370 (Post 639996)
someone show me definitive evidence that RP does more harm than good, because i've researched all over the place and found nothing but heresay, Jordo seems to know a bit, whats your take?
Blackstone will tell you how your engine is responding.

gumpy 07-22-2010 07:01 PM
Quote:
Originally Posted by Red370 (Post 639996)
someone show me definitive evidence that RP does more harm than good, because i've researched all over the place and found nothing but heresay, Jordo seems to know a bit, whats your take?
I'm currently running RP, having searched the 350z forums RP doesn't seem to be the best... =(...

Neither does Motul to be honest... Redline's hard to find in Australia...

tranceformer 07-22-2010 07:12 PM
Castrol Syntec 0w30 and 5w30 seem to work pretty well in my motor.


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