Background: A while ago I was asked if blocking off the back of the intake duct on the passenger side would change the conditions of the air entering the airbox. The Test: Finally I’ve got around to assessing the before and after temperatures going into the airbox with the duct opening to the engine open […]
Intake Duct Block Off Plate Test Read More »
Following the installation of the HPA high pressure fuel pump (HPFP) the GTI became slower to start with the engine turning over longer before catching. A data log of the fuel rail pressure versus set point during a third gear pull at 26 psi of boost was also recorded: The fuel rail pressure well below
HPA HPFP Slow Start Read More »
Several months ago results from flow testing a few different charge pipe setups were posted. One combination that was not tested at that time was the stock hot side charge pipe direct to the flow bench. A flow test was conducted with the stock hot side charge pipe to measure airflow. Results from this flow
Stock Charge Pipe Airflow – Part 2 Read More »
