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Edelbrock EFI Systems
Pontiac V8 Edelbrock EFI Systems
Preassembled and Self-Learning — Edelbrock EFI Systems for Pontiac V8s
Edelbrock EFI on the throttle body side means the EZ-Street system: a four-barrel body that mounts to any intake with a standard 4150-style flange and accepts a traditional round air cleaner, just like the carburetor it replaces. Each one arrives fully preassembled and pressure tested.
It runs closed-loop, self-learning fuel control with a calibration wizard, so no custom tuning or laptop is required, and supports up to 650 horsepower. Edelbrock's multi-port Pro-Flo 4 kits for Pontiac 326-455 are listed separately under Multi-Port EFI Systems.
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1. What comes in an EZ-Street system
This is a complete throttle body package rather than a box of parts to assemble. Every unit is pressure tested before it ships.
| On the body | Integrated injectors, throttle position and manifold sensors, fuel rails, linkage and a Bosch 4.9 wideband oxygen sensor, all installed. |
| In the box | The ECU, a high-quality wiring harness with a simple 4-wire hookup, and detailed installation instructions. |
| How it tunes | Closed-loop self-learning fuel technology with a calibration wizard for initial startup. The EZ-Street Bluetooth Tuner App, released first on Android, configures the system and monitors it through preprogrammed dashboards, with data logging, fuel control and dual electric fan management from a phone or tablet. |
| Capacity | Supported to 650 horsepower, using annular fuel venturi distribution and CAN communication. |
2. Timing control is optional, and worth it
EZ-Street will run as a fuel-only system, but it can do more if you let it.
| Fully programmable ignition | Paired with a Pro-Flo distributor, sold separately, EZ-Street delivers fully integrated timing control from the app. |
| Internal coil driver | The system has an internal coil driver and is compatible with most HEI distributors, ready-to-run distributors and CDI boxes, which eliminates the need for a separate ignition module. |
| Matched packages | Butler's Ignition Series Complete EFI Solution pairs EZ-Street with the Edelbrock Pro Tuner distributor and the EFI-ready fuel tank in one kit. |
3. Fuel, and the multi-port alternative
| It still needs high pressure fuel | A 4150-flange throttle body on a stock Pontiac has no way to feed itself. Plan an EFI-capable pump, line and regulator, or start from a Complete EFI Solution kit that includes the tank. |
| Keeping the stock look | Because it takes a traditional round air cleaner and bolts to a standard 4150 flange, EZ-Street is one of the easier ways to fuel inject a car that has to look untouched with the hood up. |
| If the intake is coming off | Edelbrock's Pro-Flo 4 multi-port kits for Pontiac 326-455 include the EFI intake, fuel rails and injectors. Those are on the Multi-Port EFI Systems page. |
For a street Pontiac that keeps its manifold and air cleaner, EZ-Street is about as simple as a carb-to-EFI swap gets. Sort the fuel supply first and the rest is an afternoon.
Not sure what your Pontiac needs?
Email our tech team at tech@butlerperformance.com. Tell us your engine, heads, car, and power goal, and we will put the parts together as one combination that works.