Q1: Which Ford engines are compatible with the SPELAB Dual Plane Intake Manifold?
A1:
The SPELAB Dual Plane Intake Manifold is compatible with Ford small block Windsor V8 engines, including 260 (4.3L), 289 (4.7L), and 302 (4.9L, commonly referred to as 5.0L) engines. It will not fit the 255, Boss 302, or 351W engines.
Q2: What is the basic operating RPM range for the SPELAB Dual Plane Intake Manifold?
A2:
The SPELAB Dual Plane Intake Manifold is best suited for the 1,500 to 6,500 RPM range, making it ideal for street performance applications. It enhances throttle response, power, and torque over a wide RPM spectrum.
Q3: What special provisions does the SPELAB Dual Plane Intake Manifold include?
A3:
The SPELAB Dual Plane Intake Manifold includes several beneficial provisions:
- Nitrous bosses for nitrous system integration.
- Rear water crossover with additional ports for more balanced cylinder head temperatures.
- Square bore carburetor flange for compatibility with popular carburetors.
Q4: Is the SPELAB Dual Plane Intake Manifold street legal?
A4:
The SPELAB Dual Plane Intake Manifold is legal for off-road use and non-pollution-controlled vehicles (1965 and older). However, it is not approved by the California Air Resources Board (CARB) for use on highway vehicles in California or other states with similar emissions regulations.
Q5: What accessories are included with the SPELAB Dual Plane Intake Manifold?
A5:
The SPELAB Dual Plane Intake Manifold comes with the following accessories:
- Mounting hardware
- Water port block-offs
- EGR adapter
- Throttle bracket adapter plate kit