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Mazda rx8 rotary engine life? 100k?

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Old 06-23-2012 | 10:52 AM
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can't assume warranty based on model year. Some 2004s were not sold till 2005. My 2005 wasn't sold until sept 2006. Call MNAO to know for sure.
Old 06-24-2012 | 08:45 AM
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Originally Posted by Cezar
It's a 2004 I just got the car weeks ago I took it to the shop and they gonna charge me 2000! Bucks for a complete tune up and fix some other **** on the car... I'll use it for a couple months then ill sell it I do. T have time to deal with bullshit I'll try get a jeep!
Sounds like someone ia taking you for a ride. A tune up is not 2000 unless youbare replacing the engine.
Old 06-24-2012 | 10:02 AM
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Although I don't have many miles (27k) on my '05, I have to say that it has been very reliable. I've only had to replace coils, wires and plugs at 25k which should be considered routine maintenance like brakes and tires.
Having owned and autox'd Minis in the 60s and 70s, I still read the Mini forums today and am amazed that as popular as the Mini's they are quite unreliable. It seems that there are far more engine, turbo, timing gear, oil leaks, etc problems than the engine problems that we see on our RX8s. Overall, the RX8 seems to be far more reliable than so many of the others out there.. BMW, Mini, Porche, 350/370 Nissan etc.
Am I off base?
Old 06-24-2012 | 10:36 AM
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No, you aren't. Owning a sports car is largely the same regardless of WHICH sports car. The only difference is the particulars of what issues you face.

It is something far far too many people largely ignore.
Old 06-24-2012 | 12:21 PM
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Originally Posted by Loki
Sounds like someone ia taking you for a ride. A tune up is not 2000 unless youbare replacing the engine.
The tune up its 750..... But the car had some. Other issues so ill. Fix those issues and the tune up the total will be @2000 I hear ppl. Saying than this car. It's expensive when u take it to a. Shop(a real. Shop) and now I. Belive it. I just want. Get. My. Rx8 ready. To. R. It like a. Mothe***** then. I might sell it...
Old 06-24-2012 | 02:00 PM
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'Tune up' is coils, plugs, wires, $182 from Advance Auto online. 1hr to replace in your driveway if you have never done it before.

$750 is getting screwed.

The rest of the $1,250 is probably the same.
Old 06-24-2012 | 06:30 PM
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Originally Posted by RIWWP
'Tune up' is coils, plugs, wires, $182 from Advance Auto online. 1hr to replace in your driveway if you have never done it before.

$750 is getting screwed.

The rest of the $1,250 is probably the same.
OMG... I wish I would have known this a couple weeks ago. I paid nearly double that for OEM coils, plugs, and wires.

At least I will know when I replace these in 15000-20000 miles.
Old 06-24-2012 | 08:56 PM
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I would rather point you to vendors like Mazmart, which have about the same price pre-discounts, but when you add in Advance's monthly sales with cash back, flat rate discounts, and free shipping, it becomes easily the cheapest source. And they ARE OEM parts. Just not sold through a dealer. Just choose the "exact fit" option when looking.
Old 06-24-2012 | 08:58 PM
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For reference, the part number for the coils is E1001.

I am dying to see Revision "C" coils show up on American soil. So I can get a few of those sucker and pop it into my 8 ...
Old 06-24-2012 | 11:03 PM
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I have a 04 model, they replaced the engine under warranty at 65k. I had trouble with it in the first two months. Turns out my intake had carbon built up on it because I was not driving the car hard enough. I believe words the mechanic used were "stop ***** driving it" lol
I have over 130 k on the new engine ( I drive 45m one way to work 5 days a week )
I keep up the maintenance and drive it like I stole it everywhere I go. Runs great. No new coils or plugs just a new altenator, brakes, tires, 93 octane and my foot on the gas. If it is not broke don't fix it, drive it.
I have owned it for 5 years and
I STILL LOVE MY CAR !!
Old 06-25-2012 | 06:27 AM
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Originally Posted by zach4769
I have a 04 model, they replaced the engine under warranty at 65k. I had trouble with it in the first two months. Turns out my intake had carbon built up on it because I was not driving the car hard enough. I believe words the mechanic used were "stop ***** driving it" lol
I have over 130 k on the new engine ( I drive 45m one way to work 5 days a week )
I keep up the maintenance and drive it like I stole it everywhere I go. Runs great. No new coils or plugs just a new altenator, brakes, tires, 93 octane and my foot on the gas. If it is not broke don't fix it, drive it.
I have owned it for 5 years and
I STILL LOVE MY CAR !!
change the coils and plugs dude.
Old 06-25-2012 | 07:47 AM
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IE

Originally Posted by RIWWP
'Tune up' is coils, plugs, wires, $182 from Advance Auto online. 1hr to replace in your driveway if you have never done it before.

$750 is getting screwed.

The rest of the $1,250 is probably the same.
I know that may be easy but they make it hard and expensive... Do you know where I can see how do it by myself?? That may help me.. And I could save money.... I don't want this car raping my wallet no way! I hope find any Web to see how do it thanks
Old 06-25-2012 | 07:51 AM
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Yes. There is a handy website called RX8Club.com, that has a section called The Do It Yourself Forum. In that subforum there is all the instruction sets you need, including lists of what is in the forum.


And Mazda made it incredibly easy to work on an 8. Not hard. The dealer and other shops pretend it's hard so they can charge you ludicrous amounts of money.

I see you added a country flag. Not sure if you are actually from there or if that was a misclick. If you are actually in Ireland, it might be a bit more difficult to locate the parts cheaply, but still can be done.
Old 06-26-2012 | 07:29 AM
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Originally Posted by RIWWP
Yes. There is a handy website called RX8Club.com, that has a section called The Do It Yourself Forum. In that subforum there is all the instruction sets you need, including lists of what is in the forum.


And Mazda made it incredibly easy to work on an 8. Not hard. The dealer and other shops pretend it's hard so they can charge you ludicrous amounts of money.

I see you added a country flag. Not sure if you are actually from there or if that was a misclick. If you are actually in Ireland, it might be a bit more difficult to locate the parts cheaply, but still can be done.
Thanks so much!!! Well I just got car from shop it runs damn good! I'm in love with this car ill read more about do it yourself to save a lot of money and about the flag well I'm from Mexico but I live in the us so I can afford the parts here
Old 06-26-2012 | 10:54 AM
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if you think working on RX8 is hard, you should try to work on ANY late BMW/Mercerdes. they will turn your life into HELL.
Old 06-26-2012 | 11:29 AM
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Originally Posted by Cezar
Thanks so much!!! Well I just got car from shop it runs damn good! I'm in love with this car ill read more about do it yourself to save a lot of money and about the flag well I'm from Mexico but I live in the us so I can afford the parts here
Glad it's back to being happy.

Mind sharing what all was done on the car finally?

Please please please please please please please, for the sake of the car, read all the sticky threads on this forum. There's not a lot you need to do, just a bunch of stuff you need to know. Since you're still new to the car, change for a better tranny fluid, check for usual problems: glowing cat, cracked coolant reservoir, low fuel mileage and enjoy the car! And keep your oil topped up.
Old 06-26-2012 | 04:09 PM
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Originally Posted by nycgps
if you think working on RX8 is hard, you should try to work on ANY late BMW/Mercerdes. they will turn your life into HELL.
i like bmw's digital oil level meter assuming it'a accurate.
it would've been convenient for our cars to have.
Old 06-26-2012 | 05:41 PM
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Originally Posted by nycgps
change the coils and plugs dude.
"A red line a day, keeps,the engine gunk away"

I have a 04 and its auto. 81k. Just about to replace original coils, replaced plugs n wires once before..this time doing all 3.. I will try to get a new engine, no problems at all yet, just loosing some torque in low rpms I think its due to the coilsI just drive the sh/t out of it.
Old 06-27-2012 | 05:49 AM
  #44  
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Originally Posted by Loki
Glad it's back to being happy.

Mind sharing what all was done on the car finally?

Please please please please please please please, for the sake of the car, read all the sticky threads on this forum. There's not a lot you need to do, just a bunch of stuff you need to know. Since you're still new to the car, change for a better tranny fluid, check for usual problems: glowing cat, cracked coolant reservoir, low fuel mileage and enjoy the car! And keep your oil topped up.
Well they basically made a complete tune up they change every fluids on the car also. Change some bulbs and i don't remember now what else but the mechanic told me than my rx8 was ready to rock! I drove it with the windows down to hear that beautiful engine and wow I hope my rx8 keep in that shape for long time obviously ill treat u good
Old 06-27-2012 | 07:43 AM
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Read applicable posts but couldn't find definitive info:
I was just told by the dealer they will replace engine under 8 year/100000 warranty. I'm running an 04 AT with 65K miles. Low compression, didn't use much oil, became sluggish...hard to start when hot...the usual. I always did reccomended maintenance (5w-20) every 3000 etc. Had one flooding problem during the life of that engine...towed to dealership.

My questions are: will I end up with a newer 6-port or the same old 4-port? Have they ironed out the bugs on the apex seals or will this same thing happen again? Will it come equipped with the newer starter motor? Is 5-20W still the way to go (I'm in the states) or are they leaning to 5-30W? In short, I thought I had done everything to prevent this problem....since it didn't, what can I do this tiime around to get the life out of this thing?
Old 06-27-2012 | 08:19 AM
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If you have low oil consumption, you might want to consider replacing the omp lines and injectors with the engine, look for a thread by 9krpms called "possible engine failure theory" or something like that, lots of good info there on the subject.
Old 06-27-2012 | 06:21 PM
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Originally Posted by akasonny
Read applicable posts but couldn't find definitive info:
I was just told by the dealer they will replace engine under 8 year/100000 warranty. I'm running an 04 AT with 65K miles. Low compression, didn't use much oil, became sluggish...hard to start when hot...the usual. I always did reccomended maintenance (5w-20) every 3000 etc. Had one flooding problem during the life of that engine...towed to dealership.

My questions are: will I end up with a newer 6-port or the same old 4-port? Have they ironed out the bugs on the apex seals or will this same thing happen again? Will it come equipped with the newer starter motor? Is 5-20W still the way to go (I'm in the states) or are they leaning to 5-30W? In short, I thought I had done everything to prevent this problem....since it didn't, what can I do this tiime around to get the life out of this thing?
highlighted the likely reason why your engine failed. Low oil consumption is a problem.

IF you are still covered (a 2004 is against or past the warranty limit of 8 years) you will get a remanufacturered 4-port engine. There are extensive modifications needed to change to a 6-port, including ECU, wiring harness, intake manifolds, etc... Mazda will not do this.

5w20 vs 5w30 or whatever only matters for your bearings, and your bearings only matter for rotor balance. Loss of compression due to seal wear has nothing to do with your choice of oil weight.


Basing one on the other is like basing your risk of having a totaled 8 on it being silver.....
Old 06-27-2012 | 09:57 PM
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How does one determine whether the oil consumption level is "correct"?
Old 06-27-2012 | 10:07 PM
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I got about 96k miles on my 04 mt rx8....
Old 06-28-2012 | 08:01 AM
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Okay so I'll end up with another 4-port engine I guess. Since I did all the proper maintenance, revved to redline once a week, etc. I guess I'm trying to figure out what to do differently on this forthcoming reman engine to get more lifespan out of it. Since the original engine had low oil consumption, I'll watch for that. Frustrated cuz I did everything right...glad to get reman engine under warranty! But worried about future of this new one.


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