NW Oil Poll sorta
Id rather not look it up, but what do you guys use for oil, on my 04 i used Synth (Castrol GTX) and was planning on using it till i saw my paperwork I never got with my 04, it says to not use synthetic, so i called U Mazda whom I trust and they say its because the rotary's (im paraphrasing it because i kinda forgot the exact wording) need the oil to burn, and synth wont burn. So now im wondering...
*shrug* i mean im sure eventually ill use synth in the gearbox ect, because I see the benefits of that, but oil is oil, especially when you actually change it every 3-4k. Whats all you northwesterners opinion? |
There are tons of people on here that use full synthetic with absolutely no issue (just ask RotaryGod). The people at U Mazda are just following what they think is right from the manual (as they should, they're a dealership). But there isn't any proof that it damages the engine, it probably helps make it run better in the long haul...
In any case I use Castrol 5w-20 synthetic blend. |
I use Castrol 5w20
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Originally Posted by Ducky
(Post 2032309)
Id rather not look it up
Whats all you northwesterners opinion? There's a big sticky right at the top of the tech garage forum. Give that a try and then tell us what you think. |
I use Castrol GTX 5W-20, a dino oil. Why argue with the manufacturer--if they recommend against using synthetic, who am I to think they're wrong?
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This is number 3 for me as for rotary car, and if it burns oil, why pay more for it. On my 86 GTU I got around 130,000 mile with not one engine problem, and I did crash it at 130mph a round 90,000 mile. fix it, after that the next year one drunk driver crash me, and the next year I lost control on the rail, drive in a hurricane back home in Puerto Rico, that was around 110,000 miles. after that no more accident, but i did have to get a twin turbo 93. and I had no problem in that one for 50,000 miles, I had to sale it to come here after I join the US ARMY. and now I have angelica and yes they did replace my engine I do not use Synth oil, and shaunv74 got a new engine, and he does use Synth oil, so it is up to you in other worlds.
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Correction: to Anibal. I used dino oil before and will be switching to synth at my first oil change after my new engine.
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I use Royal Purple full synthetic.
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mazda says not to use full synthetic. although i've found it to be split down the middle for 8 owners. i use catrol gtx 5w20. i might start using royal purple. i try to change mine every 2k. so far this year i have already put 18k on it.
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I spoke with MNAO about it directly and they say that as long as you are using 5x20 weight it doesn't matter. There were no problems I could think of going with full synth versus dino or blend.
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i think the manual says not to use synthetic because mazda hasn't tested the 8 with it...they're probably just covering their asses....
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Originally Posted by shaunv74
(Post 2033912)
Correction: to Anibal. I used dino oil before and will be switching to synth at my first oil change after my new engine.
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Yes Kris does use Synth.
Hey guys let's not start another "synth vs. dino oil" thread there's a big sticky at the top of the tech section about this with all the relevant information so you can make your own informed decision. |
Originally Posted by tksnobords
(Post 2034413)
i think the manual says not to use synthetic because mazda hasn't tested the 8 with it...they're probably just covering their asses....
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Just wanted to know the NW's opinion, don't want to start a "why use this" long thread.
Originally Posted by shaunv74
(Post 2035225)
Yes Kris does use Synth.
Hey guys let's not start another "synth vs. dino oil" thread there's a big sticky at the top of the tech section about this with all the relevant information so you can make your own informed decision. |
Yes, I use it. I have had 0 issues. For my latest theory, go ahead and PM me, as I agree with Shaun, we don't need another detailed thread.
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Originally Posted by 124Spider
(Post 2033008)
I use Castrol GTX 5W-20, a dino oil. Why argue with the manufacturer--if they recommend against using synthetic, who am I to think they're wrong?
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5w30 Royal Purple.
Royal Purple Gearmax in tranny and diff. |
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