Product Description:
Hawks Motorsports is pleased to offer our clients the following 1985-1992 Camaro/Firebird L98 TPI 255LPH High-Flow In-Tank Fuel Pump by Walbro, part number GCA758-72.
When you're leaning on a Tuned Port Injection combination, fuel delivery is not the place to come up short. This Walbro 255LPH pump gives your third-gen a serious step up in fuel volume over a tired stock-style setup and is built for high-flow EFI applications. Whether you're freshening up an original L98/TPI car or feeding a stronger small-block combination, having enough pump behind the injectors is cheap insurance when the throttle is on the floor.
Walbro part number GCA758-72 is a high-flow electric in-tank fuel pump designed for applicable 1985-1992 Chevrolet Camaro and Pontiac Firebird gasoline fuel-injected applications. The pump is rated at 255 liters per hour free flow and is part of Walbro's high-performance fuel pump family developed for high-pressure, high-flow EFI systems. Current application references identify the GCA758 family for 1985-1992 GM cars and trucks and list the 255LPH version for gasoline applications.
KEY FEATURES
- Walbro performance fuel pump
- Hawks SKU GCA758-72
- Electric in-tank fuel pump
- 255 liters per hour free-flow rating
- Designed for gasoline applications
- High-flow EFI fuel delivery
- Specific-fit application for applicable 1985-1992 GM F-body vehicles
- Designed for high-pressure fuel-system operation
- Uses Walbro/TI Automotive performance fuel pump technology
- Suitable for high-performance fuel-injected engine combinations when the complete fuel system is properly matched
PRODUCT SPECIFICATIONS
| Specification | Details |
|---|---|
| Manufacturer | Walbro / TI Automotive |
| Hawks SKU | GCA758-72 |
| Product Type | Electric In-Tank Fuel Pump |
| Flow Rating | 255 LPH free flow |
| Flow Rating | Approximately 67 GPH |
| Fuel Type | Gasoline |
| Fuel System | Electronic Fuel Injection |
| Voltage | 12V |
| Outlet Style | Hose barb |
| Outlet Size | 5/16 in. |
| Pump Application | Specific fit |
| Sending Unit | Not included |
| Maximum Pressure | Up to 80 PSI listed by comparable current application data |
| Shipping Weight | Verification required |
| Shipping Dimensions | 6" x 6" x 6" |
The exact GCA758-72 suffix configuration should remain tied to Hawks inventory data. Broader GCA758 application data confirms the 255LPH gasoline performance-pump family and 1985-1992 GM application range.
VEHICLE FITMENT / FITS THE FOLLOWING MODELS
1985-1992 Chevrolet Camaro
For applicable gasoline fuel-injected L98/TPI and related EFI configurations.
1985-1992 Pontiac Firebird
For applicable gasoline fuel-injected TPI and related EFI configurations.
Important Fitment Verification
The current Hawks listing identifies this product specifically for 1985-1992 Camaro/Firebird L98/TPI applications. Broader Walbro catalog information identifies the GCA758 family for 1985-1992 GM cars and trucks with a 255LPH gasoline application. Vehicle engine and fuel-system configuration should be confirmed before ordering.
IMPORTANT APPLICATION NOTES AND EXCLUSIONS
Designed for Gasoline Applications
Current product information identifies this pump for gasoline applications. Do not represent GCA758-72 as an E85-compatible pump without additional manufacturer verification.
255LPH Is a Free-Flow Rating
The 255 LPH specification is a free-flow rating. Actual fuel delivery varies based on operating pressure, system voltage, fuel-system restrictions, and other operating conditions.
Verify Your Complete Fuel System
A high-flow fuel pump is only one part of the fuel system. Confirm that the vehicle's fuel pressure requirements and supporting fuel-system components are appropriate for the intended engine combination.
L98/TPI Application
This listing is intended for the Hawks-identified 1985-1992 Camaro/Firebird L98/TPI application. Customers should verify their exact engine and fuel-injection configuration before purchase.
INSTALLATION NOTES
- Verify the exact year, model, engine, and fuel-injection configuration before installation.
- Confirm the fuel system is designed for a 255LPH high-flow pump.
- Follow current manufacturer installation procedures.
- Inspect the fuel system for leaks before operating the vehicle.
- Verify proper fuel pressure after installation.
- Confirm the vehicle's electrical system and fuel-system components are appropriate for the intended application.
- Recheck the system after initial operation.
FREQUENTLY ASKED QUESTIONS
What vehicles does the Walbro GCA758-72 fuel pump fit?
The Hawks listing identifies the GCA758-72 for 1985-1992 Chevrolet Camaro and Pontiac Firebird L98/TPI applications. Exact engine and fuel-system configuration should be verified before ordering.
How much fuel does this pump flow?
This Walbro performance pump is rated at 255 liters per hour free flow, or approximately 67 gallons per hour. Actual flow varies under operating pressure.
Is this an in-tank fuel pump?
Yes. The GCA758 family is an electric in-tank fuel pump design.
Is this pump compatible with E85?
This listing is for gasoline applications. E85 compatibility should not be assumed.
Is this a universal fuel pump?
No. Current application information identifies this as a specific-fit GM application, not a universal pump.
Can this pump support a high-performance engine?
The Walbro GCA758 family is marketed as a high-flow performance pump, and historical Walbro catalog data associates the 255LPH GCA758 application with 500+ horsepower gasoline combinations. Actual horsepower capability depends on fuel type, pressure, injector requirements, voltage, and the complete fuel-system design, so no guaranteed horsepower rating should be assigned to every vehicle.
