87-88 RX-7 | ID1050-XDS | Injector Dynamics | 1050.11.03.60.11.2
ID1050-XDS, for 87-88 RX-7 (incl. Turbo II). 11mm (blue) adapter top. -204 / 14mm lower o-rings. Set of 2.
The ID1050-XDS is the evolution of the ID1050x.
The ID1050-XDS benefits from Dual Slope Matching, a method of matching the flow rate in both the linear, and nonlinear operating range, providing better cylinder to cylinder consistency at low pulse widths.
Corrosion resistant internals make it compatible with all known fuels, capable of extended service life with corrosive fuels.
Compact body allows fitment in 200+ applications, including current and future engines utilizing short body injectors.
Stronger magnetic circuit offers stable operation up to 10 bar.
Replaceable inlet filter extends service life.
Base Specifications
Nominal Flow Rate – 1065cc/min @ 3.0 Bar (43.5 psi) Using Gasoline at 52 Degrees C (125 Degrees F)
Maximum Differential Fuel Pressure – 10.0 Bar (145.0 psi)
Fuel Compatibility – Compatible With All Known Fuels
Electrical Connector – USCAR
Details
Frequently Asked Questions About the 87-88 RX-7 ID1050-XDS Injector
What does the ID1050-XDS injector offer for the 87-88 RX-7?
The ID1050-XDS provides extremely precise fuel flow, which helps the 87-88 RX-7’s rotary engine maintain smoother power delivery. It improves throttle response and stability under load, especially when the car is driven aggressively or under boost. This upgrade is ideal for both street and performance-focused builds.
Is the 1050.11.03.60.11.2 injector a direct fit for the 1987-1988 Mazda RX-7?
Yes, this injector is designed to work directly with the 87-88 RX-7 without requiring special adapters. It fits the factory fuel system while providing a more refined and consistent fuel pattern. This ensures a clean installation and dependable operation for stock or modified engines.
How does upgrading to ID1050-XDS injectors improve the RX-7’s performance?
These injectors deliver more accurate fuel atomization, which helps the rotary engine run cooler and more efficiently. You’ll notice better response during acceleration, improved power consistency, and smoother operation across the RPM range. It’s especially beneficial for turbo setups or track use.
Do I need to tune my 87-88 RX-7 after installing Injector Dynamics ID1050-XDS injectors?
Yes, tuning is highly recommended to properly calibrate the air-fuel ratios after installation. A correct tune ensures maximum performance, prevents fuel-related issues, and keeps the rotary engine running safely. It also helps you take full advantage of the injector’s precise flow characteristics.
Are the ID1050-XDS injectors dependable for high-boost or modified RX-7 builds?
Absolutely, these injectors are built to handle demanding applications like turbocharged, high-RPM, or track-oriented RX-7 setups. They maintain stable flow even under extreme conditions, offering excellent durability and reliability. This makes them a trusted choice for serious rotary performance builds.
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