How Long Do Mazda Rx8 Last
How Long Do Mazda Rx8 Last – The rumors are true: the rotary engine will reappear in Mazda’s lineup. While this is great news for Dorito devotees, it may be a strange decision for many. Rotary engines have been plagued by unreliability, most notably found in the Mazda RX-8. In comparison…
The rumors are true: the rotary engine will reappear in Mazda’s lineup. While this is great news for Dorito devotees, it may be a strange decision for many. Rotary engines have been plagued by unreliability, most notably found in the Mazda RX-8. Compared to the previous RX-7, this is considered low. However, the more reliable Mazda RX-8 may have only one change.
How Long Do Mazda Rx8 Last
Very different rotary engine designs are both a blessing and a curse in terms of performance and maintenance.
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Rotary engines developed by NSU engineers and later improved by Mazda have several advantages over piston engines.
News. First, they are lighter and more compact, which is very useful for sports cars. Rotators are very smooth and have few moving parts.
In addition, for a certain displacement, they are more powerful than piston engines. The 2010 Mazda RX-8’s 1.3-liter turbocharged engine produces 232 horsepower,
News. In contrast, the 2020 Volkswagen GTI’s 2.0-liter turbocharged four-cylinder “only” makes 228 horsepower, even with a turbocharger.
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However, these advantages come with some disadvantages. First, a rotary engine can run very high revs and produce more horsepower, but lacks torque. The RX-8’s engine weighs just 159 lb-ft; By comparison, the GTI has 258 lb.-ft. The extra power also improves fuel economy.
But the biggest disadvantage is that rotary engines require special maintenance and operation compared to reciprocating engines. When you turn it on, you have to insert it all the way to the top so it doesn’t flood.
Explaining. The service life of components such as ignition coils and spark plugs is shorter than in piston engines.
News. Also, while reciprocating engines can be redlined, rotary engines require burning off carbon deposits.
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To be fair, these two issues are not unique to the Mazda RX-8. The RX-7 also suffered from them.
APEX seals act like piston rings in a traditional internal combustion engine. They keep fuel detonation under control and maximize performance and efficiency. However, due to the design of the rotor
He explained that one side of the seal is always warmer than the other. Therefore, if the gasket is of poor quality, it can distort and damage the engine. Unfortunately, the best Mazda RX-8 gaskets are not as thick and durable as the RX-7.
Explaining. Oil is sprayed into the intake manifold and combustion chamber to lubricate everything, including the head gasket. This is not a bug, but a design feature.
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Unfortunately, not all Mazda RX-8 owners were ready to deal with these problems. As a result, Mazda has extended the warranty to 2004-2008 models.
But even on the latest RX-8, improper maintenance can cause problems. Synthetic oil is not recommended as spinners burn oil.
Explaining. In addition, they are more expensive. The best choice is a special rotary mineral oil, and many experts recommend a heavier weight oil.
However, there is another problem. Since the Mazda RX-8 burns the oil used for lubrication, there is still the problem of accumulation when burning “used” oil. That’s why an alternative solution is being discussed so much among enthusiasts: using two-stroke premix oils. Which brings us to the subject of Mazda RX-8 modifications: the Sohn adapter.
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A 2-stroke piston engine also naturally burns oil. Because unlike 4-stroke engines, they cannot have a conventional pressurized oil system. So 2-stroke engines need “pre-mixed” fuel and specially blended oils to keep everything lubricated.
Forum user report. It is generally only recommended for people who have turned off the oil metering system. However, it’s not uncommon for street RX-8 owners to add premix as well.
Also, while 2-strokes aren’t exactly clean, the oil is cleaner than synthetics. Although it is worth noting that the RX-8 can turn off the catalyst even on regular oil.
However, there is still the problem of adding the right amount of premix and dealing with contaminated engine oil. This is where the Sohn adapter comes in.
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Usually, Mazda RX-8 oil flows from the oil cooler to the oil metering pump and is pumped as needed. However, the Sohn adapter separates the lube oil from the injection oil and provides an additional oil source for the injectors.
Explaining. First, it means the oil pump is always getting fresh oil to reduce oil build-up. Second, the engine oil doesn’t have to pull twice as much load, so it’s easy to switch to full synthetic oil in the base engine. In addition, this oil will be heavier without fear of clogging the injection line.
Finally, if you want to use two-stroke premix oil, you don’t have to worry about mixing it in the fuel tank. Instead, the adapter pulls the Sohn out of the container under the lid.
We cannot confirm whether the Sohn adapter combined with the 2-stroke premix is fully responsible for improving the reliability of the Mazda RX-8. It does not replace regular preventive maintenance such as changing the oil and oil filter or replacing the spark plugs.
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Sohn adapter kits and accessories are relatively inexpensive. The basic kit alone retails for $135
A kit with tank, additional hoses and fittings retails for around $414. However, assembly can be a little involved, Mazda RX-8 (2003-2010): Overview, Specifications and Buying Guide The Mazda RX-8 is a used 9000 rpm engine and the original sports car. trading – with a couple of important caveats…
Few cars divide opinion like the Mazda RX-8. The rotary-engined FD RX-7 was never easy to make, and when Mazda introduced its underpowered, unspecified replacement, it faced criticism for its stiffly rotating propellers. But the company is opening up a new customer base that doesn’t want the pricier RX-7. For those folks, the RX-8 was distinctive, usable, and a delight to drive in its specifications.
It came up against the likes of the Honda S2000 and Nissan 350Z, and we went up against other mechanically unusual rivals like the Subaru Impreza WRX and Volkswagen Golf R32. Engine reliability issues mean the risk involved in buying a used RX-8 is greater than its current rivals, but if you can find a good car, the rewards are high.
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The RX-8’s focal point is its rotary engine, evident from the Mazda RX badge. Called the Renesis, it was a highly improved version of the twin-rotor 13B used in the RX-7, with exhaust ports on the sides of each rotor shroud except for the edges, and a new rotor seal, a long-standing weakness of the rotor. . rotary model.
Unlike the RX-7 (discontinued in Japan in 2002, but no longer in Europe), the Renesis was not turbocharged but naturally aspirated, but still capable of 228 horsepower and 9,000 rpm in six-port form. rpm (a 189 hp four-port engine was also available). The engine is at its best at high revs with 156 lb-ft of peak torque at 5,500 rpm. The four-port engine was mated to a five-speed manual transmission, while the 228-horsepower model had a six-speed with different gear ratios.
The RX-8 platform was closely related to the third-generation Mazda MX-5, and engineers even used the MX-5 prototype to develop the electric powertrain. The suspension is double-link at the front and multi-link at the rear, but despite its small, compact engine, the RX-8 isn’t particularly light at 1,429kg. That’s 153kg more than the Toyota GR86 (which, of course, doesn’t apply).
Starting at £21,995 for the standard car at launch, it seems a bargain today, especially considering the stunning design of the four-door coupe with semi-hinged rear doors. Interior quality can’t match other German options, but the low driving position and uniquely designed dashboard make the RX-8 feel special inside, and the driving position is almost on the horizon.
Mazda Rx8, Still Great After All These Years
The RX-8 isn’t particularly fast, and if you’re expecting a no-fuss, classy coupe, it’s easy to miss the whole thing. On most hot hatches, this would be really difficult. But if you care more about the nature and delivery of power than the amount of power, nothing beats the silky, hungry quality of a spinner. A 228-horsepower version will be one; You’ll have to work the six-speed manual above 6,000 rpm, and once the throttle is pressed again, the RX-8 finally starts to feel like a sports car.
The rotary engine sits low and upright compared to the larger engine, making every RX-8 feel friendly and progressive. The engine’s lack of torque means it takes thought and planning to set the course – if you lose momentum and reset, you’ll have to change all gears.
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