Use this adjustable unit if you need to adjust between 4.5 and 12bar fuel pressure. When combined with suitable injectors (available through USRT) atomization will become extraordinarily fine. Droplet size will more closely resemble that from a carburetor. The resut is a significant surge in low to midrange torque as well as radically clean emissions. Pump strength must be up to the task! A convenient path to sufficient pumping capacity is via dual surge tank. Run the first off the main pump circuit and trigger the second with a boost pressure switch.
