Direct-Fit LS Radiator with Dual Fans for 1970-1981 Pontiac Firebird Manual Trans
When integrating an LS series powerplant into a 1970 to 1981 Pontiac Firebird manual transmission chassis, managing thermal output becomes a critical project milestone and the 1970 to 1981 Firebird Radiator (Manual Trans) with Fans delivers a target solution. Featuring a 100 percent TIG welded aluminum core and tanks, this assembly mounts to the original F Body cradle without modification. Two high-performance electric fans engage as coolant temperatures rise, ensuring even airflow across the fin array while drawing minimal current. Finished in bare aluminum or black epoxy, the unit resists corrosion and facilitates rapid heat rejection under varied driving conditions, from daily street use to spirited back road runs.
Tailored Fit for 1970-1981 Firebird
Engineered specifically for 1970 to 1981 Firebird chassis equipped with a manual transmission and Chevrolet LS powerplants, this radiator fits the original support points without modification. Its exact dimensions mirror the factory outline to avoid interference with steering rack, power steering hoses, and front suspension crossmember. The design also allows clearance for the oil filter and dipstick tube, preserving ease of maintenance and service access.
Advanced Cooling Capacity
Equipped with dual high-performance fans installed on a reinforced shroud, this unit offers consistent and efficient heat rejection across all driving conditions. The two fans are synchronized to operate at variable speed, reducing load on the electrical system during light traffic and boosting airflow at idle. This setup maintains coolant temperatures within safe limits under sustained high load or in hot ambient environments, protecting internal engine components.
Robust Construction
Manufactured in the USA, the radiator utilizes a premium aluminum alloy core and tanks TIG welded for leak free integrity. The multirow core features enhanced fin density for increased surface area, improving heat transfer. Corrosion resistant headers and a durable pressure cap rated for 16 pounds prevent steam lock and coolant loss. Each weld joint undergoes rigorous pressure testing to ensure service life under repeated thermal cycling.
Seamless MuscleRods Integration
This radiator is fully compatible with MuscleRods mounting brackets and crossmember adapters engineered for LS conversions. By using the same mounting geometry as the original radiator, it maintains correct engine tilt and driveshaft angles while simplifying installation. The matched channels eliminate guesswork, cutting labor time and ensuring reliable alignment of all cooling and accessory lines for a trouble free build process.
The 1970-1981 Firebird Radiator with dual fans delivers reliable LS cooling for your manual transmission build and for the same radiator but without fans, consider our 1970-1981 Firebird Radiator (Manual Transmission).