Owner's manual

Grimmspeed
3
Now able to explicitly control the opening and closing of the wastegate, the ECU is able to
control boost with greater precision and reduced response time.
Figure 1. Genesis engine bay indicating solenoid mount location.
Installation for Hyundai Genesis: Remove factory solenoid including rubber mount(solenoid
on left). Unbolt intercooler pipe mount (see picture above). Bolt GrimmSpeed boost control
solenoid with the same bolt. Plug the electrical connector and vacuum lines(details below).
Connect GrimmSpeed Boost control solenoid using factory wiring harness.
Hook up vacuum lines. See Figure 2. Port 3 connects to a high pressure boost source (there is
a vacuum nipple on the turbo compressor outlet). Port 2 connects to the internal wastegate
actuator vacuum nipple and Port 1 should be routed back to the intake (where the factory
BCS mounts). It is recommended that a plastic zip tie is used to secure vacuum lines. The
electrical is plug and play with the supplied connector. Tuning: WGDC controls the actuator /
turbo. Tuning to the WGDC is required (approx 30% reduction in WGDC)