Quote:
Originally Posted by JOHNCL
Electronic fuel injection is complicated.
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The new ones are pretty idiot proof. An air/fuel sensor in the exhaust is about all that is needed for the brain to tune itself.
There are hose clamp type connectors for the 02 sensor - so no welding.
The return line does not have to go back to the tank - only to the low side of the fuel pump. We put one together with a T at the inlet to the pump for the return.
I don't see why it wouldn't work as an updraft - there is no float bowl.
https://www.holley.com/products/fuel.../parts/550-552
- Simple Calibration Wizard (answer a few questions about your engine and it creates the base map, then starts tuning on its own!) - NO laptop required!
- Self-tuning ECU means you don’t have to be a computer/tuning wiz to have EFI!
- The included Genuine Bosch LSU 4.9 Wideband Oxygen Sensor provides realtime Fuel Map Learn!