I'm I crazy ? couple questions about rx8
#26
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#27
I agree. They have a reason for printing 5w-20 on the cap. A team of experts did that. Not just one person who thought they had a great idea.
#29
#32
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In temperate climates (say 0 F to 100 F) there are a lot of acceptable grades. I think that nearly everyone's "Mazda is wrong - this is what I use" weight is OK. 5w20 is the thinnest of the bunch. In the US they recommend 5w20 because it gives a slight edge on fuel mileage. Every US maker pushes as hard as they can to meet CAFE requirements.
Can we get back to arguing about synthetic vs dino, instead of which weight?
Ken
#34
Vtak just kicked in yo!!
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YAY!! Another oil debate.
There is no proof that ANY oil, synthetic or conventional, is better than the other.
Everyone barks about temps, thickness, this and that.
I still have yet to hear of an oil that is PROVEN to help the Renesis last longer through data gathered by a mass amount of Rx8s running that weight.
Its all opinions and here say.
Soo, why argue about it
There is no proof that ANY oil, synthetic or conventional, is better than the other.
Everyone barks about temps, thickness, this and that.
I still have yet to hear of an oil that is PROVEN to help the Renesis last longer through data gathered by a mass amount of Rx8s running that weight.
Its all opinions and here say.
Soo, why argue about it
#38
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Especially when you're running the risk of causing warranty issues, etc.
Just my .02. Not meant to be an arguement starter.
#39
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No one here has the resources of Mazda. However, many of use do have many years of rotary experience. Combined, that creates a huge knowledge base. Also, Mazda engineers have to weigh both the vehicle performance and longevity with government compliance requirements ( emissions & mileage ). The government requirements are something that we can partially ignore.
#40
Its a matter of someones opinion. It does depend also about climate and time of year but I guess I will be dumb and go with whats stamped on the oil cap.
#41
yay!! Another oil debate.
There is no proof that any oil, synthetic or conventional, is better than the other.
Everyone barks about temps, thickness, this and that.
I still have yet to hear of an oil that is proven to help the renesis last longer through data gathered by a mass amount of rx8s running that weight.
Its all opinions and here say.
Soo, why argue about it
There is no proof that any oil, synthetic or conventional, is better than the other.
Everyone barks about temps, thickness, this and that.
I still have yet to hear of an oil that is proven to help the renesis last longer through data gathered by a mass amount of rx8s running that weight.
Its all opinions and here say.
Soo, why argue about it
#43
Went to Pettitracing and bought some Protec R to mix with my gas. I was reading up on the RX8 facts area and they made some good points as far as oil. I am not saying they are completely right but they made sense to me. I will keep using the specified oil on the cap but will protect it with the premix. I bought 36oz w/shipping for less than $30.00. You use 4 oz for each tank of gas. Know one will ever win the battle of oil topic in the nearby future so just go with your gut feeling. Its more important to protect your engine than worry about others engines.
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