{"product_id":"aluminum-radiator-for-chevrolet-corvette-1973-1976-5-7l-7-4l-manual","title":"Aluminum Radiator for Chevrolet Corvette (1973-1976) 5.7L 7.4L Manual","description":"\u003ch2\u003eHigh-Efficiency 3-Row Aluminum Radiator for 1973-1976 Chevrolet Corvette\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The High-Efficiency 3-Row Aluminum Radiator replaces the failure-prone factory cooling unit on the 1973-1976 Chevrolet Corvette to drastically reduce engine coolant temperatures and eliminate heat soak under heavy throttle.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet Corvette Thermal Bottleneck\u003c\/h3\u003e\n\u003cp\u003eFactory cooling systems in the mid-generation \u003cstrong\u003eC3\u003c\/strong\u003e Corvette relied on restrictive, heavy copper-brass radiator cores assembled with lead-tin solder. Over time, these stock units suffer from severe internal calcification, galvanic corrosion, and solder bloom, which drastically chokes coolant flow. Exacerbated by the aerodynamics of the \u003cstrong\u003eC3\u003c\/strong\u003e chassis—which draws air from a low-pressure zone beneath the front bumper—the OEM radiator cannot reject BTUs fast enough to keep high-displacement \u003cstrong\u003eSmall Block Chevy\u003c\/strong\u003e (5.7L) and \u003cstrong\u003eBig Block Chevy\u003c\/strong\u003e (7.4L) engines within safe operating temperatures during extended operation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered for maximum thermal dissipation, this bolt-in performance radiator is fabricated from lightweight, aircraft-grade aluminum. It features a robust 3-row brazed tube-and-fin core that substantially increases surface area exposure compared to stock designs. Robotically \u003cstrong\u003eTIG-welded\u003c\/strong\u003e end tanks eliminate the leak-prone bonded seams of factory copper units, maintaining structural rigidity under elevated operating pressures. Optimized specifically for manual transmission layouts, this radiator maximizes coolant capacity and laminar heat transfer across the entire frontal area, safeguarding your powertrain against thermal degradation.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; margin-bottom: 20px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e1973-1976 Chevrolet Corvette (Manual Transmission)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e5.7L SBC (L48\/L82) \u0026amp; 7.4L BBC (LS4) \/ \u003cstrong\u003eC3\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e180-275 hp \/ 255-395 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e\u003cstrong\u003eRD-804-435-U3\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1973 Chevrolet Corvette 5.7L (350 cu in) V8 Manual\u003c\/li\u003e\n  \u003cli\u003e1973 Chevrolet Corvette 7.4L (454 cu in) V8 Manual\u003c\/li\u003e\n  \u003cli\u003e1974 Chevrolet Corvette 5.7L (350 cu in) V8 Manual\u003c\/li\u003e\n  \u003cli\u003e1974 Chevrolet Corvette 7.4L (454 cu in) V8 Manual\u003c\/li\u003e\n  \u003cli\u003e1975 Chevrolet Corvette 5.7L (350 cu in) V8 Manual\u003c\/li\u003e\n  \u003cli\u003e1976 Chevrolet Corvette 5.7L (350 cu in) V8 Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the C3 Corvette?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 1973-1976 Chevrolet Corvette \u003cstrong\u003eC3\u003c\/strong\u003e chassis equipped with \u003cstrong\u003eSmall Block Chevy\u003c\/strong\u003e or \u003cstrong\u003eBig Block Chevy\u003c\/strong\u003e engines and manual transmissions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this radiator feature an internal transmission fluid cooler?\u003c\/strong\u003e\u003cbr\u003e No, this unit is dedicated strictly to manual transmission configurations and does not include internal fluid lines for an automatic gearbox.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Muscle Caliber\u003c\/h3\u003e\n\u003cp\u003eClassic American muscle demands uncompromising cooling capability to match peak torque demands. This direct-replacement radiator ensures your Corvette maintains thermal equilibrium on wide-open highway pulls or continuous track sessions, providing reliable temperature control without modifying factory mounting points.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50511900311800,"sku":"DS-EWFK8QFZV","price":180.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/aluminum-radiator-for-chevrolet-corvette-1973-1976-5-7l-7-4l-manual-1.jpg?v=1789419327","url":"https:\/\/performancechiptuning.com\/fr\/products\/aluminum-radiator-for-chevrolet-corvette-1973-1976-5-7l-7-4l-manual","provider":"Performance Chip Tuning","version":"1.0","type":"link"}