View Full Version : what kind of oil you guys use?
bandalgom78 12-06-2008, 07:49 AM Hey guys.
I just transfer to the Bahrain(middle east) and I want to verify some stuffs before I drive around here...
8 owner lives place that temperture reaches 120-130 F
Please answer this question for me.
What kind of oil you guys use?
Did you guys upgrade your radiator or stock radiator is good for that temperture?
Let me know
Thank you
HeavyMetal699 12-06-2008, 11:46 AM With those temps and I'm guessing low humidity I would guess 20w50 full synthetic would be about the only thing you can use.
What are the temps there at the opposite end of the scale? If it gets cold there you could run 10w40 full synthetic.
For brands its up to you. I know Mobil 1 says specifically not to use their oil in the Renesis. I'm not sure about the rest. I run Redline 10w40 but I'm in Houston.
HAHA, he posted in the GULF sub forum thinking it was for the actual Persian Gulf! That's funny...but anyways 10w40 synthetic should be fine for those conditions.
05rx8mazda 12-08-2008, 01:59 PM Get the COBB the car is maitained at a lower temp.. and you can actually feel the differene between stock ad one who has the cobb MM tuned..
I use 5W-30
jiggawha1 12-12-2008, 11:26 AM or he knows that this region of the US is the closest relation to the mid east
987HYS 12-12-2008, 01:44 PM FYI: if you go synthetic you can't switch back to conventional.
Jedi54 12-12-2008, 01:50 PM FYI: if you go synthetic you can't switch back to conventional.
says who?
make sure you use something other then the suggested 5w-20. That won't be a good choice in that kind of heat
987HYS 12-12-2008, 03:02 PM says who?
I guess only me. I don't know where I heard that from, but that has been my understanding. Maybe I'm wrong...
StealthTL 12-12-2008, 03:05 PM Maybe.
S
agcutie03 12-12-2008, 04:27 PM No, that's my understanding too...doesn't make it fact. My uncle owns a chain of auto parts stores, he's been rebuilding and racing hot rods and every other kind of car under the sun since before I was born. Doesn't qualify him as God but he knows his business. All I know is he told me don't ever put synthetic in the Mazda if I don't want to put it in forever. I don't question . I just obey. :)
But since we're on the topic, I'd love to hear more about it with some reasons backing it up-anyone got any solid info on going back after synthetic?
agcutie03 12-12-2008, 04:44 PM By the way, I use 5W-20 in the winter (Castrol) and 5W-30 in the summer.
I'm simple minded (typical Aggie engineer)-I had to take chem three times to pass. But in my mind, here's why you shouldn't go back: Synthetic has a more...pure maybe(?)...molecular structure. It lubricates better, like silkier, easier on the car. So if your car gets used to the luxury of the um...better make-up of the synthetic oil...and then you jump back to the conventional that's filled with more contaminants...it's gonna be mad at you. At least that's how I see it.
So...how far off am I? Anyone? I mean, it's like going from Patron to Juarez to me. It's just wrong. (Shudder) But if you never know the glory that is Patron, Juarez still does the job. ;)
J8635621 12-13-2008, 03:00 AM Personification ftw
9krpmrx8 12-13-2008, 12:05 PM Here we go again.
AhadV 11-02-2009, 11:04 AM Penzoil Conventional is what I'm on
Ross_Dawg 11-02-2009, 12:02 PM Summer I use 10W30 or 10W40 if its really hot; and 5W30 in "winter"
WTBRotary! 11-05-2009, 10:40 PM Lol thread revival.... I would say what im using... but then RotaryGod and SpeedGuy might come back and have a Revival oil thread arguement... haha Royal Purple 5w-30... but i have been thinking about switching to 10w-40...
rx 8speciale 11-06-2009, 01:49 AM 10w30 castrol gtx all year
Myardor 11-06-2009, 10:14 AM f it gets cold there you could run 10w40 full synthetic.
I know Mobil 1 says specifically not to use their oil in the Renesis.
FYI, Synthetic oils destroy the Apex seals
as I posted in another thread.
Will try to find that info and post it here
RickA 11-06-2009, 10:19 AM Here's what I use... I prefer the one on the right, it has glitter
http://www.awdeals.com/images/sun_tan_oil-new_zy82.jpg
Huey52 11-06-2009, 10:33 AM 5W-30 Castrol GTX
JTtheDude 11-06-2009, 12:28 PM Here's what I use... I prefer the one on the right, it has glitter
0 SPF that does a lot! haha
WTBRotary! 11-06-2009, 01:46 PM synthetics do not eat up Apex seals in the rx-8... The 8's seals are made up of a different matieral then previous Apex seals found in rx-7's etc. People are afraid to use synthetics in the 8 because of this and because Mazda says to use 5w-20 conventional... There's been tons of rotary rebuilds that prove 5W-20 is too thin protection wise. Plus Royal Purple has a FAQ on their website stating they have done extensive testing proving their synthetic is fine to use in a rotary. Synthetics are fine..
Cvzrx8 11-06-2009, 05:31 PM what do you guys think of castrol edge? ive always been a castrol fan just thinking if i should use it or not.
Bullitt 11-06-2009, 06:12 PM Wesson.
marcusvong 11-07-2009, 04:15 AM I know Mobil 1 says specifically not to use their oil in the Renesis. I'm not sure about the rest. I run Redline 10w40 but I'm in Houston.
Mobil 1 said where? Can you please enlighten me?
monstermatt 11-08-2009, 10:34 PM Mobil 1 said where? Can you please enlighten me?
Its on their website. This goes back to the fact that when mobil1 first came out it destroyed seals. Both the seals and the oil have been reformulated multiple times since then. I use Mobil 10W30 and have for +30K miles with no problems.
GODFATHER 11-09-2009, 10:45 PM synthetics do not eat up Apex seals in the rx-8... The 8's seals are made up of a different matieral then previous Apex seals found in rx-7's etc. People are afraid to use synthetics in the 8 because of this and because Mazda says to use 5w-20 conventional... There's been tons of rotary rebuilds that prove 5W-20 is too thin protection wise. Plus Royal Purple has a FAQ on their website stating they have done extensive testing proving their synthetic is fine to use in a rotary. Synthetics are fine..
not because of different material... but because of tighter clearances kid... btw miss u guys... have a different number now so if you want it pm me....
WTBRotary! 11-10-2009, 01:04 AM Really? your gonna have to explain... heh and PM me your new number now... I lost your old one anyways...
marcusvong 11-10-2009, 08:40 AM Its on their website. This goes back to the fact that when mobil1 first came out it destroyed seals. Both the seals and the oil have been reformulated multiple times since then. I use Mobil 10W30 and have for +30K miles with no problems.
I'm using Mobil 1 5w30 also right now also, don't think I'll be going back to MRO any time soon :)
I hope it aint eating up my seals. I done about 2,000KM with Mobil1 now.
marcusvong 11-10-2009, 08:42 AM not because of different material... but because of tighter clearances kid... btw miss u guys... have a different number now so if you want it pm me....
The O-ring is a different material though right? Prior renesis o-rings would shrink with Synthetic?
This is my understanding anyways.
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