RSPANTERA Romtune

Car Maker: Mazda
Car Model: RX7 FD3S
★FC3S Edition

For FCs that are already 17-19 years old, the first priority is to restore them to their best condition, and everything else should start from there. Even if we assume that, as expected from a vehicle made during the bubble era, everything from the sensor to the throttle is very expensive. And the ROM.
In particular, there are more and more vehicles with unstable airflow metering at idle. The symptoms are diverse, including throttle rattle, deterioration of the airflow meter, and clogged piping in each idle system. By simulating the stock CPU and changing the values read by the airflow meter, the air-fuel ratio at idle can be changed, so a set that matches the hardware can be created.
Of course, it goes without saying that it is possible to map and correct the transient characteristics of boost-up and turbine-replaced vehicles. There is a feeling that can only be achieved with partial throttle ranges and low-speed fuel economy that are difficult to achieve with D-Jetronic, and mass flow (intake air measurement method).
★ The superiority of the Power FC remains unchanged for FD3S 4th generation and later, but for 1st to 3rd generation, you can also choose ROM Tune for boost up. After all, this is also joining the ranks of old cars, so the first priority is to restore it to its best condition, and the basic principle is to do everything from there. Another advantage is that you can change the boost. There is a car with a boost up specification FD made 10 years ago that is driven on the circuit once every two months, and the data has been compiled to the point that there are examples of it still running smoothly without any trouble.

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RSPANTERA Romtune