My 8 doesn't like 4500 RPM, how about yours.
07-18-2003 | 11:06 AM
#26
Senior Member
Joined: Nov 2002
Posts: 549
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From: San Diego, CA
Re: Re: Re: You might want to read the owner's manual
Originally posted by vudoodoodoo
People have used synthetic in rotaries without problems. I don't know if Mazda would void your warrenty if something happens and they crack open the engine. Dealers don't rebuild engines anyways.
People have used synthetic in rotaries without problems. I don't know if Mazda would void your warrenty if something happens and they crack open the engine. Dealers don't rebuild engines anyways.
07-18-2003 | 12:14 PM
#27
Registered User
Joined: Jan 2003
Posts: 660
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From: Memphis, TN
Just for the sake of point, counterpoint, humor me. What does the temp of the exhaust have to do with the break-in of the engine?? Keep in touch. I'll keep you up-to-date as my engine passes 50K, 100K, 150K, 200K, 250K, etc.
07-18-2003 | 01:55 PM
#29
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Joined: Jul 2003
Posts: 114
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From: Boston, MA
Re: Re: Re: Re: You might want to read the owner's manual
Originally posted by RotorMotor
The reason for not using synthetics (and it makes perfect sense) is that synthetics are designed to burn at higher temperatures, therefore, they last longer in other cars. The Renesis is designed to consume oil. If the oil can't be burned, it gums up your engine. Do what you will. I'm not worried about whether or not they'll rebuild my engine, I just want to keep the car running perfectly so I don't have to. Why would I want to do something that the manufacturer is specifically recommending against just because some people have done it in the past?
The reason for not using synthetics (and it makes perfect sense) is that synthetics are designed to burn at higher temperatures, therefore, they last longer in other cars. The Renesis is designed to consume oil. If the oil can't be burned, it gums up your engine. Do what you will. I'm not worried about whether or not they'll rebuild my engine, I just want to keep the car running perfectly so I don't have to. Why would I want to do something that the manufacturer is specifically recommending against just because some people have done it in the past?
Back when the RX7 was designed, Mazda did not recommend sythetic oil because of a high ash content. Back then, sythetic was a new thing what was still being developed. It would leave some ash behind after being burned.
Sythetic oils have been getting better and better over time. Now it leave as much ash behind as before. Sythetic is perfectly fine in rotary engines.
I'm pretty sure Mazda recommends using only regular oil just to cover their asses in case something does happen.
It's your car, use what you like. Regular oil or sythetic will not harm it.
I mostly use regular though. I change the oil in the FD every 2K miles no matter what kind of oil I use. No point of spending $20 on sythetic oil just to change it every 2K miles. 4 quarts of regular is only like $6.
07-18-2003 | 05:51 PM
#31
Registered User
Joined: Jul 2003
Posts: 39
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From: Houston, TX
Re: Re: You might want to read the owner's manual
Sounds like the same speach they gave here in the Houston market.
Originally posted by RotorMotor
Yup, that's what it says alright... Since I had a chance to ask an "expert" (the Mazda technical trainer that was teaching folks at my dealership) a few questions, I actually asked him about this and the oil specifically. He stated that although the manual says that the break-in period wasn't required it was HIGHLY recommended and said that as long as we were under 7k, and not launching quickly that we'd be fine. He also said that you are only to use 5w-20 non-synthetic oil (and in case you forget the oil cap says so).
Yup, that's what it says alright... Since I had a chance to ask an "expert" (the Mazda technical trainer that was teaching folks at my dealership) a few questions, I actually asked him about this and the oil specifically. He stated that although the manual says that the break-in period wasn't required it was HIGHLY recommended and said that as long as we were under 7k, and not launching quickly that we'd be fine. He also said that you are only to use 5w-20 non-synthetic oil (and in case you forget the oil cap says so).
07-18-2003 | 09:53 PM
#32
Murphy was an optimist!
Joined: May 2003
Posts: 133
Likes: 0
From: Riverview, FL
At the Mazda sales training that I attended they almost were chanting it like a mantra. Speaker, "What kind of oil?" Crowd of sales types, "non-synthetic." Happened several times. I think they mean it.
Lost a little credibility when he said the reason this engine is better than the old rotaries was because they moved the intake ports from the edge to the side. Oh well . . .
Lost a little credibility when he said the reason this engine is better than the old rotaries was because they moved the intake ports from the edge to the side. Oh well . . .
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