1967-1987 C/K Trucks & Blazer Suburban Radiator for LS and LT Swap
When installing a modern LS or LT powerplant into a 1967-1987 C/K chassis, drivers need a radiator that fits factory mounts and handles heavy towing loads. Equipped with a deep aluminum core and two electric fans housed in a single shroud, the radiator maintains steady temperatures during towing, extensive idling or spirited road work. Its inlet and outlet ports align with original C10 and K10 frame routing plus Blazer and Suburban lines, so coolant hoses and transmission cooler lines connect without trimming or adapters. Corrosion resistance comes from a choice of raw aluminum finish or black epoxy coating that withstands road salt, dust and moisture to keep thermal performance consistent over years of service.
Seamless Fitment with Original Inlet and Outlet Alignment
Installing a modern LS or LT engine into a classic C/K chassis built between 1967 and 1987 often demands coolant hose and transmission line modifications that can delay a project. This radiator avoids that by matching factory inlet and outlet locations exactly for C10, K10 and early Blazer and Suburban frame rails. It secures to the original mounting bosses without the need for custom brackets or welding, ensuring coolant and transmission cooler hoses follow their intended path. By preserving underhood clearance around steering linkages and clutch or brake lines, it prevents interference that could lead to vibration and premature wear. Technicians benefit from a direct install that cuts labor time and eliminates guesswork on hose lengths or adapter fittings. Workshops can therefore maintain consistent delivery times for clients investing in LS or LT conversions.
20.75 Inch Deep Aluminum Core for Maximum Heat Rejection
The core stands 20.75 inch tall to provide a significant increase in coolant capacity and core surface area, making it ideal for heavy duty towing or desert runs where heat soak is a constant concern. High quality aluminum tubing and fins deliver up to sixty percent faster thermal transfer than older copper brass designs, while its natural resistance to corrosion keeps internal passages clear. Careful optimization of fin density and tube passage size balances coolant flow rate with maximum heat dissipation across the full core height. The lightweight assembly helps reduce the vehicle's front end mass, improving steering response and overall handling, especially when a heavy trailer is attached. Its design also maintains critical hood clearance on lowered or modified trucks without sacrificing cooling performance.
Thermostat Activated Dual Fan Assembly for Consistent Cooling
Two 16 inch electric fans nestle within a single shroud to draw cool air through the core evenly, reducing the chance of hotspots under the tallest section of the radiator. A built in temperature sensor wiring harness is included for plug and play connection to factory or aftermarket controls, so the fans engage automatically at preset thresholds without extra relays or switches. This configuration ensures reliable airflow during extended idling, steep climbs or stop and go traffic in urban settings. Dual fan operation also spreads the load evenly across the radiator face, extending the life of each motor compared to a single high load unit. The preassembled fan pack bolts directly to the radiator, reducing installation steps and ensuring perfect alignment for optimal airflow.
Bare Aluminum or Epoxy Coating to Protect Against Corrosion
You can choose a natural bare aluminum finish that highlights precision TIG welds and allows light polishing or custom paint for a personalized look. Alternatively a black epoxy coat provides a durable barrier against road salt, moisture and airborne dust that can degrade unprotected metals. The epoxy formula adheres tightly to the aluminum substrate, preventing flaking and ensuring fins remain clear for unobstructed airflow. Both finishes are applied at the factory in a controlled environment, guaranteeing uniform coverage without adding unnecessary thickness that would impair thermal transfer. Over time, this protective layer helps maintain peak heat rejection and coolant flow characteristics in coastal or winter climates where corrosion can be a constant threat.
Rely on MuscleRods for proven cooling in tough applications. For the same radiator but without fans see our 1967-1987 GM Truck Radiator 20.75" Tall (Automatic Transmission) - HD Cooling.