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Home > Performance Mods > Transmission / Drivetrain > Mobile 1 or Royal Purple

Mobile 1 or Royal Purple

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dsm3383
Rochester
New York, US
  • Scion Guru
 Scion recommends either 0w20 or 5w20. I would not recommend using 5w30 (*cough* Web haha).

If you question which one is right for you then it depends on your environment.

Also if your starting to change your own oil now be careful on what oil you choose. Synthetic is all I run but if you have been running conventional for over 20k then I HIGHLY recommend not using synthetic and sticking with conventional. Your engine does have memory in terms of oil and when changing formulas (e.g. weight of the oil or type in terms of conventional and synthetics). This has effects on gaskets / rings / bearing seals etc.

Beer is proof that God loves us and wants us to be happy.

-Ben Franklin
[#] Aug 05, 2008 04:50pm
skunk
New York, US
  • Godlike Advisor
 on the oil cap for 05-06 it says use 5w-30, 07+ says 5w-20
and isnt 0w-20 better for cold climates?



The Skunk tC
Fo shiggity my niggity
[#] Aug 05, 2008 04:58pm
dsm3383
Rochester
New York, US
  • Scion Guru
rimjay wrote:
on the oil cap for 05-06 it says use 5w-30, 07+ says 5w-20
and isnt 0w-20 better for cold climates?


I didn't know that the 05-06 model years recommended 5w-30 so my bad.

Yes, 0w-20 is better for cold climates. I had things backwards. Long day at work haha.

Beer is proof that God loves us and wants us to be happy.

-Ben Franklin
[#] Aug 05, 2008 05:06pm
skunk
New York, US
  • Godlike Advisor
 ^ lol i hear ya man. for a second i was like o crap, i put the wrong oil in my car!!!!! lol



The Skunk tC
Fo shiggity my niggity
[#] Aug 05, 2008 05:10pm
nola_tc_papi
Louisiana, US
  • Window Washer
 my next change is at 20k, will be okay to switch to synthetic then? ive been getting my changes at the scion dealership. i do alot of highway driving. will synthetic help more with wear on the engine? thanks!

"Nothing shocks me, Im a scientist"
[#] Aug 05, 2008 06:09pm
dsm3383
Rochester
New York, US
  • Scion Guru
nola_tc_papi wrote:
my next change is at 20k, will be okay to switch to synthetic then? ive been getting my changes at the scion dealership. i do alot of highway driving. will synthetic help more with wear on the engine? thanks!


It's really your call. You will be safe with only 20k but I highly recommend using engine flush before switching to the synthetic. Check out Gunk Motor Flush. Just put it in your crankcase before your oil change. Run your engine for 5 mins then perform the oil change. This will allow your gaskets/seals to adjust to the new oil formula.

Beer is proof that God loves us and wants us to be happy.

-Ben Franklin
[#] Aug 05, 2008 07:11pm
Web
Maryland, US
  • THE SHADOW
dsm3383 wrote:
nola_tc_papi wrote:
my next change is at 20k, will be okay to switch to synthetic then? ive been getting my changes at the scion dealership. i do alot of highway driving. will synthetic help more with wear on the engine? thanks!


It's really your call. You will be safe with only 20k but I highly recommend using engine flush before switching to the synthetic. Check out Gunk Motor Flush. Just put it in your crankcase before your oil change. Run your engine for 5 mins then perform the oil change. This will allow your gaskets/seals to adjust to the new oil formula.



Yup...flush it first then start fresh with synthetic. Your seals/gaskets will appreciate the gesture.


Complaining is futile when you supported the victory.
[#] Aug 06, 2008 09:04pm
SoCalCory
Castaic
California, US
  • Chief Mechanic
 Mobil 1 Fully Synthetic and a Toyota Filter, my poison ...

[#] Aug 06, 2008 09:06pm
nola_tc_papi
Louisiana, US
  • Window Washer
 thanks for the tip...will do.

"Nothing shocks me, Im a scientist"
[#] Aug 06, 2008 09:08pm
RusWolf
Yonkers
New York, US
  • Detailer
 Mobil 1 5W-30 Full Syntethic with Bosch oil filter.

[#] Aug 06, 2008 09:27pm
java09
Honolulu
Hawaii, US
  • Godlike Advisor
 mobile 1 full synthetic 5w 30, with moblie 1 full synthetic oil filter.

change every 2,500 miles.

2008 Turbo Scion tCizzle
POWERED BY TURBOTOYOTAS!
310WHP, 272WTQ
more to come_..
[#] Aug 06, 2008 09:35pm
Web
Maryland, US
  • THE SHADOW
dsm3383 wrote:
Scion recommends either 0w20 or 5w20. I would not recommend using 5w30 (*cough* Web haha).

If you question which one is right for you then it depends on your environment.

Also if your starting to change your own oil now be careful on what oil you choose. Synthetic is all I run but if you have been running conventional for over 20k then I HIGHLY recommend not using synthetic and sticking with conventional. Your engine does have memory in terms of oil and when changing formulas (e.g. weight of the oil or type in terms of conventional and synthetics). This has effects on gaskets / rings / bearing seals etc.


The reason they use such a thin oil, as Ford does, is for fuel economy. The only problem they don't tell people is that lower viscosity oil, while great for cold starts and fuel economy, burns up much faster and loses it's ability to hold pressure as well. 5W-30 is a bit thicker at operating temperature and is better for warmer climates compared to a xx-20 oil...even synthetic. Unless you live in Maine/Montana/Minnesota...etc...I'd use 5W-30 in an NA tC. Maybe in Arizona/New Mexico heat I'd up to a 5W-40.

4 cylinder, high revving engines produce so much heat so fast that thinner oil will boil/burn off much easier than a thicker operating viscosity oil. It all depends on your climate...I would NEVER take the manufacturer label as "law." It's informative since they DID build the car, but it's a generic recommendation.



Complaining is futile when you supported the victory.
[#] Aug 06, 2008 09:36pm
edboy21
San Diego
California, US
  • Window Washer
rimjay wrote:
on the oil cap for 05-06 it says use 5w-30, 07+ says 5w-20
and isnt 0w-20 better for cold climates?


why is there different recommended oil for the years? its the same engine.
[#] Aug 13, 2008 05:22pm
skunk
New York, US
  • Godlike Advisor
edboy21 wrote:
rimjay wrote:
on the oil cap for 05-06 it says use 5w-30, 07+ says 5w-20
and isnt 0w-20 better for cold climates?


why is there different recommended oil for the years? its the same engine.


no idea. im just following what toyota recommends...might have to do with the oil squiters in the 07 or one of the other minor engine changes




The Skunk tC
Fo shiggity my niggity
[#] Aug 13, 2008 05:31pm
Noicsct
Hawthorne
California, US
  • Master Mechanic
 so my understanding is use 5w30 if your climate is hotter for better heat protection or use 5w20 for not so hot temp climate,

[#] Sep 16, 2008 01:25pm
falkore24
New Jersey, US
  • Vehicle Designer
dsm3383 wrote:
Ugh to both!

Royal Purple usually contains graphite in all their products.



Not exactly true. They use something very similar to graphite called Moly. Moly has the same issues as graphite.

As for the change in recommended oils, I think it has to do with the CR change .... they upped the CR to keep the HP the same with the new rating system, so I think they made the oil thinner to try to regain the associated MPG loss.

[#] Sep 16, 2008 01:35pm
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