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Mazda RX-8 Owners FAQ

36 messages,  Last post on Dec 01, 2009 at 12:32 PM

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


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#16 of 36
Re: Premium Gas? [bblair] by pathstar1
Aug 19, 2005 (12:54 pm)
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Replying to: bblair (Aug 19, 2005 8:33 am)

You don't have to use premium, though the car runs better with it. I presume you are talking about the manual. I think it's less important with the automatic, as it runs a little less HP. We've had good performance with mid-grade (89 octane).
 
The rotary has always injected oil into the intake to lubricate the apex seals (equivalent to piston rings). They inject a little more than required to be safe, so hence the notion it burns a lot. If you run at lower RPMs you will go through to the next oil change without adding any - though it will be at the "min" line. If you "play" frequently, you may have to add 1/2 qt. between changes. Most owners check it every 3 fillups or so. It will warn you long before it's a problem (oil light is very sensitive). Most carry a qt. in the trunk. The oil pan carries a lot of oil - it can hold up to 7 litres, though only 5 are called for in the service manual.
 
BTW, oil is now less expensive than gas!
Maybe it's time for a diesel rotary!
#17 of 36
Re: Premium Gas? [bblair] by flipper897
Aug 19, 2005 (2:49 pm)
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Replying to: bblair (Aug 19, 2005 8:33 am)

BBlair -
   
   Hi and welcome to the forum, I am new also, I purchased a new RX-8 6-speed manual in late June.
 
   Yes, gas prices are awful but I've been using super unleaded - I figure it this way:
The gas tank holds approximately 15.9 gallons - if it's bone-dry when you fill up, it will cost you 20 cents extra per gallon over the cost of regular so that's roughly $3 per fillup. I'm sticking with Mazda's recommendation - unless you do a LOT of driving, $3 per tank is reasonable considering it's a terrific sports car that you're likely to fall in love with immediately.
 
   As for oil, I've yet to need a quart, according to my dealer I may need to add a quart about every 6 tanks or so of gas. I think it will depend somewhat on whether you're a conservative driver or a leadfoot.
 
   If you choose to get the RX-8, best of luck with it and enjoy it!
 
                                                                                             Phil
#18 of 36
Re: Premium Gas? [flipper897] by bblair
Aug 22, 2005 (4:30 am)
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Replying to: flipper897 (Aug 19, 2005 2:49 pm)

Thanks for the input.
 
When you put it in terms of $3-4 extra per tank, it doesn't sound so bad. Of course, with more frequent stops for gas (relatively small tank) and low mpg, it may add up in the long run. But perhaps it won't be as bad as I had originally thought.
 
I've been considering the RX-8 and Mustang (and perhaps the Eclipse), but really am leaning towards the RX-8, so I'm just trying to weigh my options.
#19 of 36
Re: RX-8 6-speed [flipper897] by gambit_rx8
Aug 25, 2005 (11:18 am)
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Replying to: flipper897 (Aug 16, 2005 6:33 pm)

Flip,
 
I've had mine since last Oct. and I used to screw up 4-5 sometimes, but I found the easiest way is to push it at a diagonal forward and away from you. It is an awesome car You can also learn much from rx8club and rx8web.com too...it's a good place to go waste time.
 
btw, you are in 6th if you're goin 65 3500 rpm's
 
Gas saving tip: a second intake port opens when you go above 3750 so if you keep it under there (72 in 6th) you'll get slightly better mileage
#20 of 36
Re: winter driving [memmer] by zinny72
Aug 25, 2005 (7:21 pm)
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Replying to: memmer (Aug 20, 2004 8:30 pm)

I live outside Philadelphia & my fiance works out of state. He left me his Aviator while he was away because they were calling for snow. Needless to say he returned home to the snow falling. He was horrified trying to drive in the weather. Don't bother to try to drive it in the snow!!!
#21 of 36
Re: winter driving [zinny72] by trispec
Aug 26, 2005 (2:21 am)
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Replying to: zinny72 (Aug 25, 2005 7:21 pm)

Did it have all season tires? Performance tires on any vehicle don't grip in the snow.
#22 of 36
Re: winter driving [zinny72] by allimama
Sep 02, 2005 (5:06 am)
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Replying to: zinny72 (Aug 25, 2005 7:21 pm)

I am new here, and just browsing...but I have a strong opinion against driving in the snow...I live in VA right outside of DC, and I bought an RX8 manual last December... the second day I owned it the weather turned suddenly from rain to snow and froze over in less than 10 minutes. My husband and I will NEVER drive that car again in ANY inclimate weather...there was no control what so ever, we were 'sliding' backwards down a hill into on coming traffic...and that is just the half of it. we had to abandon the car and get someone to pick us up.
 
DO NOT buy this car if you live and a wintry-area and dont have another alternative!! Luckily we have another car, and I love it for the summertime.
 
I have never had to add oil, and always use premium - although who knows with the rising gas prices...i may put it up on bricks for it's bad mileage!
#23 of 36
Re: winter driving [allimama] by pathstar1
Sep 02, 2005 (7:28 am)
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Replying to: allimama (Sep 02, 2005 5:06 am)

You shouldn't blame the car. It comes with "summer performance" tires. As has been posted here and on other boards frequently, if you don't change these for winter driving, anything bad that happens is your own fault. The stock tires are dangerous even on bare pavement when it's cold. Use winter tires and the car is very capable, even on ice - we use Nokian WR "all season performance" tires in the spring, fall and winter. They are awsome!
 
I'm Canadian. The Nokians are made by Fins. You have to know all season tires made by people who live in their or our climate have to be good on ice and snow!
#24 of 36
Re: winter driving [pathstar1] by optistar
Nov 18, 2005 (8:44 am)
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Replying to: pathstar1 (Sep 02, 2005 7:28 am)

pathstar1:
my rx-8 has 225.45/18's on it.
does nokian make a tire to fit?
did you change the wheels?
thanks
Peter
#25 of 36
Re: winter driving [optistar] by pathstar1
Nov 19, 2005 (8:31 am)
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Replying to: optistar (Nov 18, 2005 8:44 am)

They don't make that size. We used 225.45/17 and AR 5 spoke aluminum replacement wheels (wheels cost about $100 each). That gave us more ice clearance in the wheel wells. You could use 235.40/18, which Nokian make. See http://www.nokiantires.com/newsite/tires_popup.cfm?id=6 for a list of sizes they make.
 
Talk to a Nokian dealer for your options. The replacement wheels don't have the tire pressure monitors, but all that means is you will have a light on during the winter driving season.

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