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Coupes & Convertibles Mazda RX-8 Mazda RX-8 Problems and Solutions 
1414 messages, Last post on Oct 18, 2006 at 9:17 AM
You are in the Mazda RX-8 Forum. Your Host is claires
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Replying to: trispec (Aug 17, 2006 3:06 am) And just to underline what I opined above, a few days ago I "tested" my cat. converter - to do this you open the throttle and watch the boost gauge to see the second turbo transition. A plugged cat. will prevent this from happening. Went from 70 km/hr to 160 km/hr (100 MPH) in 4 or 5 sec. - on a road with a limit of 80 km/hr. That's jail, isn't it, or at least a mandatory appearance before a judge? Just what we all need, a race car on the street! Oh, and the cat is working fine. 
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Replying to: pathstar1 (Aug 17, 2006 6:18 am) |
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Replying to: trispec (Aug 17, 2006 9:03 am) |
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Replying to: trispec (Aug 17, 2006 9:03 am) On other forums the reliability is discussed a lot. General consensus is the 3rd gen engines last 100,000 mi if not abused by sloppy mods for extra power. Rebuilts don't last as long - perhaps 50,000 mi if done right. A Mazda rebuilt is $3000 or so from the "best sources". Expect another $1000-$2000 for installation (labour, new parts such as hoses, etc.). Don't forget the turbos! They will last perhaps about the same, though many say half as long. They cost $2500 or so for the set. If you do it yourself, it can cost as little as $1000 to rebuild a rotary, but it is more typical to approach $2000. It's not hard to do, as there are few parts. Lots of measurements to check though. If the rotor housing is worn or the chrome surface damaged, you just buy a new one or a good used one. Ditto for the rotor. The apex, side, and corner seals as well as the gasket set and sealant are the common parts all rebuilds need. Just so you don't panic, the last "normally aspirated" rotaries, the 2nd gen RX-7s, have engine life averaging 200,000+ mi. The second gen turbo engines averaged about the same as the 3rd gen. Moral is, "If you want to play, you have to Pay!"
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Replying to: pathstar1 (Aug 17, 2006 3:07 pm) Is the Renesis built with significantly more expensive parts? The rotors are lighter, but are they of some exotic material or machining?
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Replying to: trispec (Aug 18, 2006 2:57 am) Having an engine suddenly become popular again is not all good.
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| I have a 2004 MT RX-8.. im at around 44,000km now and the clutch is still quite healthy (although there seems to be a little vibrating action going on lately). I understand that a clutch's life depends on how driver handles it, but in approximate measure.. how much longer can the clutch survive? also, is there anything else besides the wheel, cover, and bearing that i need to replace the clutch? | |
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Replying to: slingshot80 (Jul 21, 2006 5:58 pm)  s
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Replying to: pathstar1 (Aug 07, 2006 7:28 am) A couple of days ago, at one point when the engine was warm, starting took a couple more seconds than usual. Remembering one of the threads on this board about starting warm engine, I thought it was nothing to worry about. But finally today, I encountered the real problem. I managed to start the warm engine, but immediately RPM got down to 5~600 and the car vibrated. Check engine light flashed, too. I reved the engine and somehow engine RPM settled to normal range and I was able to drive it away. However, check engine light stayed on. While driving it home, a couple of times I could feel the loss of power with light flashing. Each time I reved the engine and the car ran okay. I tried to keep the RPM high with lower gears. Now there is no question I will have to bring the car in, but can you tell what the problem is from this description?
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Replying to: articist (Aug 28, 2006 11:44 pm)
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