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Mazda RX-8

3616 messages,  Last post on Apr 22, 2009 at 5:06 AM

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What is this discussion about? Mazda RX-8, Coupe


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#3492 of 3616
Next Question by tslbmw
Apr 26, 2007 (5:31 am)
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My commute to work is about 10 minutes, is that long enough for the car to "warm up." I understand this can be an issue and occassionally cause the car to not restart. Is this still the case with the '07's?
#3493 of 3616
Re: Next Question [tslbmw] by trispec
Apr 26, 2007 (7:03 am)
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Replying to: tslbmw (Apr 26, 2007 5:31 am)

Watch the water temp. Once the needle is past the second line of the dial at the left, you RX-8 can be shut off no problem. I take a much shorter trip 3 minutes, than you every day and simply watch until the temp passes that second line.
 
Also, revving to 3000 before shut off is also nice finish to any RX-8 drive, no mater how short.
#3494 of 3616
Re: Next Question [trispec] by tslbmw
Apr 26, 2007 (7:31 am)
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Replying to: trispec (Apr 26, 2007 7:03 am)

That sounds easy enough. Thanks for the tips. I believe I'm down to just choosing a color!
#3495 of 3616
... by plekto
Apr 26, 2007 (8:36 am)
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Enjoy! I am thinking of one as well. The thing is, it's not an appliance. It's more like a motorcycle. You need to check the oil every week or so, inspect it, let it warm up a bit before driving it hard, rev it a bit before shutting it off - just like your typical motorcycle with carbs.
 
Once you get into the habit, it's easy(I have had a lot of old cars with carbs so it's no big deal) and you should have zero reliability issues.
 
Of the colors, the dark grey/anthracite looks the best, IMO. The sunroof is useless, though - it's too far back to even see out of while driving and kills your headroom. Pass. Also pass on the packages - get the limited slip/traction control individually. The low-profile tires and bigger rims don't help nearly as much as just getting better tires for less money. The ride is a little bit softer, too, which is always a good thing in a sportscar.
#3497 of 3616
proper oil, RX8 vs. Speed6 by sonnysayshi
May 03, 2007 (9:51 am)
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Folks --
 
I will buy a new car soon, have been reading about the RX8 for some time.
 
I know about the flooding issue and oil burning in the 8, but recently read a concern about proper oil weight, that the rotary's parts can suffer if you don't use the right oil. Anyone, what works?
 
And did anyone test drive a Speed6, then choose the RX-8? If yes, how come?
#3498 of 3616
OIl... by plekto
May 03, 2007 (11:44 am)
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The thing is - it's not *burning* oil. The engine design is such that it requires internal lubrication of the seals, which means it's closer to a 2-stroke engine in design. There will always be oil consumption in rotary engines.(the same is true with diesels, too.
 
The proper oil to run in it, IMO, is a semi-synthetic blend. Unlike typical engines, the idea of breaking it in and seating the rings doesn't apply. You want as little wear and friction as possible from day one in a rotary, so changing oil is also critically important. A lot of people think that they are fine letting it go longer, because in a 4 stroke engine, if it's burning oil, putting in half a quart every few weeks kind of makes oil changes moot.(filter aside). Not so in a rotary.
 
It's a lot like a motorcycle. Have to warm it up, not rev it to death for the first few minutes, check the oil and fluids every week or so, blip the throttle when shutting it off... But the results you get from the RX-8 are well worth it, IMO.
#3499 of 3616
Re: proper oil, RX8 vs. Speed6 [sonnysayshi] by maltb
May 03, 2007 (3:44 pm)
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Replying to: sonnysayshi (May 03, 2007 9:51 am)

RX-8 vs Speed6...
The best answer to the question is to drive them both for yourself.
 
They are two completely different vehicles with completely different drivetrains. I really don't think you can compare the two.
#3500 of 3616
Re: OIl... [plekto] by sonnysayshi
May 04, 2007 (8:42 am)
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Replying to: plekto (May 03, 2007 11:44 am)

Sorry, should have avoided the word 'burning' -- do you use a specific brand of oil, and what weight? Thanks for the insight.
 
I do intend to drive both the 8 and Speed6, just wondering if others already had done so.
#3501 of 3616
... by plekto
May 04, 2007 (12:46 pm)
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No problem My cars all burn oil at this point - so there's normal "burning" and abnormal "burning"
 
As for weight, I don't know. I would suggest a bit of oil stabilizer in it, though. It makes a great deal of difference in my truck.(new, 1/4 of a quart would be about enough for a full oil change - mine uses a quart - lol)
 
Oh - I currently have an old 4-runner until I can get something better this fall.

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