Wiki – RX8 Controlled by Ipad

Here is a video how to hack RX8 and control with an Ipad.


2004 RX-8 Mazda

Vehicle Details

Under the hood, the RX-8 housed a 1.3-liter RENESIS rotary engine, capable of producing up to 238 horsepower. This powertrain demonstrated Mazda’s commitment to innovative engineering and differentiated the vehicle from competitors in the sports car market. Furthermore, the RX-8’s near-perfect 50:50 weight distribution and rear-wheel drive configuration contributed to its agile handling and dynamic driving experience.

The 2004 RX-8 Mazda not only boasted performance capabilities but also showcased a sophisticated design. Its spacious four-seat cabin complimented the car’s exterior, which featured smooth curves and bold lines.


OBD-II interface

Software Changes

Modifying the software of an OBD-II interface can be a simple and cost-effective way to improve its functionality. There are several software modifications that can be made to an OBD-II interface, including:

  • Changing the baud rate
  • Modifying the data format
  • Adjusting the timing of the data transmission

Changing the baud rate can help improve the speed of data transfer, while modifying the data format can make it easier to read and interpret the data. Adjusting the timing of the data transmission can help ensure that the data is transmitted at the appropriate intervals.

Hardware Changes

Hardware modifications to an OBD-II interface can also be made to improve its performance. Some common hardware modifications include:

  • Adding a power supply
  • Adding a voltage regulator
  • Adding a ground connection

3G mobile broadband



RFID reader

Audio system



  • Performance Mods:

    • Intake System: Upgrading to a cold air or short ram intake can help the engine breathe better.
    • Exhaust: A performance exhaust system can improve flow and give the RX-8 a more aggressive sound.
    • ECU Tuning: Custom or off-the-shelf engine maps can optimize performance, especially when other modifications are made.
    • Ignition Upgrades: Enhanced ignition coils and spark plugs can ensure consistent ignition in rotary engines.
  • Handling Mods:

    • Coilovers: Adjustable coilovers allow for height and damping adjustments, optimizing the suspension for performance driving.
    • Strut Bars and Sway Bars: These improve rigidity and can reduce body roll.
    • Brakes: Upgraded rotors, pads, and even calipers can enhance braking performance and consistency.
  • Aesthetics:

    • Body Kits: These can give the RX-8 a more aggressive look.
    • Wheels: Upgrading to lighter, wider, or simply more aesthetically pleasing wheels is common.
    • Tint: Window tint not only provides privacy but can also help with heat reduction.
  • Interior Mods:

    • Seats: Racing or bucket seats can provide more support during aggressive driving.
    • Steering Wheel: A sportier or aftermarket steering wheel can enhance driving feel.
    • Shift Knob: An aftermarket shift knob can improve the shifting experience.
  • Reliability Mods:

    • Oil Cooler: This is especially essential for rotary engines, which tend to run hotter.
    • Upgraded Radiator: Ensures consistent cooling, especially during spirited driving.
    • External Oil Injection (SOHN adapter): Helps with the lubrication of the rotary engine, potentially extending its lifespan.
  • Transmission Mods:

    • Lightweight Flywheel: Can improve engine response.
    • Short Shifter: Reduces shift throw for quicker shifts.
  • Sound System: Many enthusiasts choose to upgrade their speakers, head units, and add amplifiers and subwoofers for a better audio experience.

  • Weight Reduction: Removing unnecessary items or parts, or replacing parts with lighter versions, can improve the car’s power-to-weight ratio.



FAQ Frequently Asked Questions
How much does a 2004 RX-8 cost? The price of a used 2004 Mazda RX-8 can vary depending on factors like mileage, condition, and any potential modifications. On average, you can expect to see price ranges from $4,000 to $10,000 for a well-maintained, used 2004 Mazda RX-8.

What are the engine specs for the 2004 RX-8? The 2004 Mazda RX-8 is powered by a 1.3-liter RENESIS rotary engine. It comes in two different configurations: a 4-port version producing 191 horsepower and a 6-port version producing 238 horsepower. Both engines are mated to either a 4-speed automatic (available for the 4-port version) or a 6-speed manual transmission (available for both versions).
What is the horsepower of the 2004 RX-8? The 2004 Mazda RX-8 has two versions with varying horsepower. The 4-port rotary engine produces 191 horsepower, while the 6-port rotary engine generates 238 horsepower.

Is the 2004 Mazda RX8 fuel efficient? The fuel efficiency of the 2004 Mazda RX-8 is not its strong suit. With a combined city/highway fuel economy of 18 miles per gallon (mpg) for the manual transmission and 19 mpg for the automatic transmission, it does not offer the best fuel efficiency in its class.

What are common issues with the 2004 RX-8? Some common issues that owners of a 2004 Mazda RX-8 may face include: excessive oil consumption, potential engine flooding (especially in cold or damp conditions), and the premature wear of the engine apex seals. Regular maintenance and proper care can help mitigate these issues.

How reliable is the 2004 Mazda RX-8? The reliability of the 2004 Mazda RX-8 can be subjective, as it depends on factors like previous ownership and maintenance history. However, the rotary engine in the RX-8 requires more attention and care than traditional piston engines, which can affect overall reliability. With proper maintenance, the 2004 Mazda RX-8 can be a reliable sports car but may not be as dependable as some of its competitors in the segment.

The 2004 RX-8 Mazda is a popular sports car that has been heavily modified by car enthusiasts. These modifications have ranged from minor cosmetic upgrades to major performance enhancements. The RX-8 was designed with the rotary engine, which made it a unique and attractive option for those seeking a different driving experience.

One of the most popular modifications for the RX-8 is the installation of a turbocharger or supercharger. This modification can significantly increase the car’s horsepower, torque, and overall performance. However, it is important to note that this modification can also be expensive and may require additional modifications to the car’s engine and transmission. Very cool.

Another common modification for the RX-8 is the installation of aftermarket exhaust systems. These systems can improve the car’s sound and performance by increasing airflow and reducing backpressure. Additionally, they can also reduce the car’s weight and improve its appearance. Note that some aftermarket exhaust systems may not be legal in all states or may cause the car to fail emissions tests.



Top 10 Auto Upgrades

Engine Tuning

Engine tuning is a great way to increase the power and performance of a car. Upgrades include installing a performance chip, upgrading the air intake system, and improving the exhaust system. These upgrades can improve horsepower, torque, and acceleration.

Suspension Upgrades

Upgrading the suspension system can improve a car’s handling and stability. This includes upgrading the shocks, struts, and springs. A stiffer suspension can improve cornering and reduce body roll.

Brake Upgrades

Upgrading the brakes can improve a car’s stopping power and reduce brake fade. This includes upgrading the brake pads, rotors, and calipers. High-performance brakes can improve braking performance and reduce stopping distances.

Exhaust System Upgrades

Upgrading the exhaust system can improve a car’s performance and sound. This includes installing a high-performance exhaust system, upgrading the catalytic converter, and installing headers. A high-performance exhaust can improve horsepower and torque while giving the car a more aggressive sound.

Tire Upgrades

Upgrading the tires can improve a car’s grip and handling. This includes upgrading to high-performance tires, improving the tire size, and upgrading the tire compound. High-performance tires can improve traction and handling, while a larger tire size can improve grip and reduce rolling resistance.

Transmission Upgrades

Upgrading the transmission can improve a car’s performance and efficiency. This includes upgrading the clutch, flywheel, and transmission fluid. A high-performance clutch can improve acceleration and reduce clutch slip.

Body and Aerodynamics

Upgrading the body and aerodynamics can improve a car’s performance and reduce drag. This includes installing a body kit, upgrading the spoiler, and installing a front splitter. These upgrades can improve aerodynamics and reduce drag, improving fuel efficiency and top speed.

Interior Upgrades

Upgrading the interior can improve a car’s comfort and convenience. This includes upgrading the seats, installing a sound system, and installing a navigation system. These upgrades can improve the driving experience and make the car more enjoyable to drive.

Lighting Upgrades

Upgrading the lighting can improve a car’s visibility and appearance. This includes upgrading to LED headlights, installing fog lights, and upgrading the taillights. High-performance headlights can improve visibility, while upgraded taillights can improve the car’s appearance.

Audio System Upgrades

Upgrading the audio system can improve a car’s sound quality and entertainment value. This includes upgrading the speakers, installing a subwoofer, and upgrading the head unit. These upgrades can improve the sound quality and make the car more enjoyable to drive.

Overall, these top 10 auto upgrades can improve a car’s performance, handling, comfort, and appearance. By upgrading these essential components, car enthusiasts can take their driving experience to the next level.

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