Ramjet 350/502
350 Ramjet Harness, Holley HP ECU, Wide Band Sensor
350 Ramjet Harness, Holley HP ECU, Wide Band Sensor$3,000.00Add to cart
350 Ramjet Harness, Holley HP ECU, Wide Band Sensor
350 Ramjet Harness, Holley HP ECU, Wide Band SensorArizona Speed & Marine has developed an Engine Harness to work with a Programmable Holley HP ECU to replace existing MEFI ECUs and existing engine wiring harness used on 350 Ramjet equipped engines. This allows the user to switch from the older MEFI platforms to state-of-the-art programmable stand-alone Holley HP EFI engine control unit.
The kit is supplied with a Holley ECU, New Engine Harness, and wide band sensor, for self learning capabilities.
502 Ramjet Harness, Holley HP ECU, Wide Band
502 Ramjet Harness, Holley HP ECU, Wide Band$3,000.00Add to cart
502 Ramjet Harness, Holley HP ECU, Wide Band
502 Ramjet Harness, Holley HP ECU, Wide BandArizona Speed & Marine has developed a kit that includes labeled wiring harness with OEM style connectors, Holley HP programmable ECU, programming cable, power harness and wide band sensor to provide self learning capabilities.
58mm ZZ502 Ramjet Throttle Valve
58mm ZZ502 Ramjet Throttle Valve$525.00Add to cart
58mm ZZ502 Ramjet Throttle Valve
58mm ZZ502 Ramjet Throttle ValveDyno Testing of the stock ZZ502 Ramjet crate engine has proven to make much less power than advertised 502HP. The throttle valve that comes on the engine is a twin blade 48MM which is the same size originally used on the 305″ TPI engine in 1986.
Ramjet ECU Upgrade for 350/502 crate engines
Ramjet ECU Upgrade for 350/502 crate engines$395.00Add to cart
Ramjet ECU Upgrade for 350/502 crate engines
Ramjet ECU Upgrade for 350/502 crate enginesMEFI 3 equipped models had no O2 sensor feed back for closed loop operation or air temperature compenstaion. These engines ran very rich, fuel fouling spark plugs and as a result poor fuel economy.
ASM offers calibration of the ECU to correct overly rich running condition on MEFI 3 ECU’s and toggle on these features, and provide the O2 sensor upgrade.