{"product_id":"aluminum-radiator-for-buick-lesabre-1960-1964-4-9l-6-0l-6-6l-7-0l","title":"Aluminum Radiator for Buick LeSabre (1960-1964) 4.9L 6.0L 6.6L 7.0L","description":"\u003ch2\u003eHigh-Efficiency Aluminum Radiator for 1960-1964 Buick LeSabre\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect-fit 3-row replacement:\u003c\/strong\u003e Engineered to eliminate thermal throttling and overheating by substantially improving coolant heat dissipation over aging factory cooling units.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock LeSabre Thermal Capacity Limitations\u003c\/h3\u003e\n\u003cp\u003eFactory 1960–1964 Buick LeSabre cooling systems relied on traditional brass-and-copper, down-flow radiators bound with lead-tin solder. Decades of operation lead to internal galvanic corrosion, mineral calcification, and fin detaching, severely impeding heat transfer efficiency. When paired with high-displacement Nailhead and early small-block V8 engines running modern fuel mixtures, the narrow stock core tubes easily induce heat soak during low-speed cruising and sustained highway load, leading to boil-over conditions and premature head gasket failure.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis cooling upgrade incorporates an aircraft-grade T-6061 all-aluminum architecture with a brazed tube-and-fin 3-row core. TIG-welded end tanks completely remove failure-prone solder joints and end-tank seams, sustaining higher internal pressures under heavy load. The widened core tubes optimize fluid velocity and surface contact area, accelerating heat rejection by up to 35% compared to OEM specifications while retaining factory bracket geometries and hose placement.\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;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1960-1964 Buick LeSabre\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBuick 300 \/ Nailhead 364, 401, 425 \/ GM B-body\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e210-340 hp \/ 310-465 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1960 Buick LeSabre 6.0L (364 ci) Nailhead V8\u003c\/li\u003e\n  \u003cli\u003e1961 Buick LeSabre 6.0L (364 ci) Nailhead V8\u003c\/li\u003e\n  \u003cli\u003e1962 Buick LeSabre 6.6L (401 ci) Nailhead V8\u003c\/li\u003e\n  \u003cli\u003e1963 Buick LeSabre 6.6L (401 ci) Nailhead V8\u003c\/li\u003e\n  \u003cli\u003e1964 Buick LeSabre 4.9L (300 ci) Buick V8\u003c\/li\u003e\n  \u003cli\u003e1964 Buick LeSabre 6.6L (401 ci) Nailhead V8\u003c\/li\u003e\n  \u003cli\u003e1964 Buick LeSabre 7.0L (425 ci) Nailhead V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Buick Muscle Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle high-torque classic V8 demands, this radiator stabilizes coolant temperatures under continuous load, protecting cast-iron cylinder heads and vintage engine internals from catastrophic thermal stress.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50497328054520,"sku":"DS-EU3YLDTPA","price":214.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/aluminum-radiator-for-buick-lesabre-1960-1964-4-9l-6-0l-6-6l-7-0l-1.jpg?v=1789258443","url":"https:\/\/performancechiptuning.com\/products\/aluminum-radiator-for-buick-lesabre-1960-1964-4-9l-6-0l-6-6l-7-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}