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Most newer EFI systems use wideband sensors. The FiTech uses a Bosch as well, but I don't know if it is interchangeable with the Holley. Probably not.In regards to placement, you want it downstream from the collector, but not too far so if it is used for EFI, then the feedback can be as quick as possible. Per example FiTech recommends "The ideal location for the Sensor is 2-4 inches after the exhaust collector." They recommend locating it in the #1 cylinder bank, or passenger side for us. I have always wondered if there is a noticeable difference between banks.
Most newer EFI systems use wideband sensors. The FiTech uses a Bosch as well, but I don't know if it is interchangeable with the Holley. Probably not.
In regards to placement, you want it downstream from the collector, but not too far so if it is used for EFI, then the feedback can be as quick as possible. Per example FiTech recommends "The ideal location for the Sensor is 2-4 inches after the exhaust collector." They recommend locating it in the #1 cylinder bank, or passenger side for us. I have always wondered if there is a noticeable difference between banks.
