{"product_id":"retno-weber-48-ida-complete-quad-carburetor-intake-manifold-system-sbc-chevy-10-angled-runners-lola-can-am-corvette-grand-sport-chaparral-style","title":"Retno Weber 48 IDA Complete Quad Carburetor Intake Manifold System – SBC Chevy | 10° Angled Runners | Lola Can-Am, Corvette Grand Sport \u0026 Chaparral Style","description":"\u003ch2\u003e\u003cspan\u003eRetno Weber 48 IDA Complete Intake Manifold System – Small Block Chevy (SBC)\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eChaparral-Inspired Racing Heritage | Precision Engineering | Low-Profile 10° Angled Runners\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBring legendary Can-Am racing engineering to your Small Block Chevy with the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRetno Weber 48 IDA Complete Quad Carburetor Intake Manifold System\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Inspired by the exceptionally rare Chaparral intake manifold developed by Jim Hall, this precision-manufactured reproduction combines historic racing design with modern improvements in strength, construction, and functionality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSmall Block Chevy (SBC) racing applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, including Lola Can-Am race cars, Corvette Grand Sport builds, and other vintage performance vehicles, this complete induction system features four Retno 48 IDA downdraft Weber-style carburetors mounted on a specially engineered intake manifold with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e10-degree angled runners\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe angled runner configuration is specifically designed to accommodate restricted hood and hood scoop clearances while maintaining the distinctive appearance and performance potential of a classic quad-carburetor racing setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eHistoric Chaparral Design – Refined by Retno\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe original Chaparral intake manifold was developed using the intake baseplate from a 1963–1964 Corvette fuel injection system, modified with individual runners to accommodate four Weber 48 IDA downdraft carburetors.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRetno has faithfully reproduced this rare racing configuration while incorporating important engineering improvements to enhance structural integrity, precision, and durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eKey Manifold Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e10° Angled Intake Runners:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Specially designed to provide additional clearance beneath low-profile hoods and racing hood scoops.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImproved Manifold Construction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Reinforced mounting areas and an additional third mounting stud for increased strength.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePrecision Port-Matched Runners:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Carefully matched intake ports for improved airflow consistency.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eChaparral-Inspired Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Reproduces the distinctive quad-carburetor induction arrangement associated with Jim Hall's historic Can-Am race cars.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSmall Block Chevy Compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for SBC applications, including 283, 327, 350, and 400 engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eRetno 48 IDA Downdraft Carburetors\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEach complete system includes \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003efour Retno 48 IDA downdraft carburetors\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, precision-manufactured reproductions of the legendary Weber 48 IDA design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eManufactured using premium materials and advanced machining processes, these carburetors incorporate several improvements while retaining the appearance and mechanical characteristics of the early original Weber units.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCarburetor Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFour Retno 48 IDA downdraft Weber-style carburetors.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePrecision-machined components and high-quality construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eDichromate protective finish.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTeflon-coated throttle shafts.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBrass floats.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThird idle progression hole.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStud-mounted upper carburetor components, replicating the construction of early original Weber carburetors.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom jetting, air corrector, and emulsion tube configurations available.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eEvery system reflects Retno's commitment to exceptional craftsmanship, functionality, and reliable performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLow-Profile Design – 10° Angled Runners\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eEngineered specifically for applications with limited hood clearance, the manifold's angled runners reduce the overall height of the induction system, making it an excellent choice for \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCorvette Grand Sport, Lola Can-Am, and other vintage racing applications\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvailable Velocity Stack Configurations:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e1.50\" Velocity Stacks:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 10\" total system height.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e2.50\" Velocity Stacks:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Approximately 11\" total system height (configuration shown).\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003e3.50\" Velocity Stacks:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Available upon request.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eOverall height is measured from the bottom of the intake manifold to the top of the velocity stack screens. Please verify clearance before ordering.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eComplete Intake System – What's Included\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThis is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecomplete quad-carburetor induction assembly\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, supplied with the essential components installed for a coordinated and professional setup.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIncluded Components:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e(1) Retno Chaparral-style SBC intake manifold with 10° angled runners.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e(4) Retno 48 IDA downdraft carburetors.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eComplete throttle linkage assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBraided stainless steel fuel lines.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAN-6 red and blue anodized fuel fittings.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFuel pressure regulator.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFuel pressure gauge.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCNC-machined aluminum velocity stacks.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStainless steel velocity stack screens.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInstalled fuel delivery lines and linkage components.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe system is supplied assembled with the selected velocity stack configuration. Final installation adjustments and carburetor tuning may be required for your specific engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eStandard Carburetor Configuration\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eUnless otherwise specified, the carburetors are supplied with the following standard setup:\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eComponent\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEmulsion Tube\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eF7\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIdle Jet\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e66\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMain Jet\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e135\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAir Corrector\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAuxiliary Venturi\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e37\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVenturi\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10.5\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eCustom carburetor calibration is available upon request. Final jetting requirements may vary depending on engine displacement, camshaft, compression ratio, and intended application.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCustom Configurations \u0026amp; Special Orders\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eRetno offers custom carburetor configurations to meet the requirements of individual racing and performance applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAvailable Customization Options:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e1.50\", 2.50\", or 3.50\" velocity stacks.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom main jet sizes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom idle jet sizes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom air corrector sizes.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom emulsion tube configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCarburetor setup tailored to specific engine requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFor custom configurations, please submit your specifications through our \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eSOS (Specialty Order Shop) contact form\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e or contact Retno directly before placing your order.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCustom Setup Lead Time:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Please allow approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e7–10 business days\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for custom configurations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eVehicle \u0026amp; Engine Applications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSmall Block Chevy Engine Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChevrolet 283\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChevrolet 327\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChevrolet 350\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChevrolet 400\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIdeal Racing \u0026amp; Performance Applications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eLola Can-Am race cars.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChevrolet Corvette Grand Sport.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eChaparral-inspired racing restorations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVintage Can-Am and historic road racing vehicles.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCustom Small Block Chevy racing engines.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePerformance applications requiring reduced hood scoop clearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eFitment depends on engine configuration, cylinder head compatibility, installation requirements, and available hood clearance.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRetno – Preserving Legendary Racing Technology\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAt Retno, we take pride in reproducing some of the rarest and most exceptional components from motorsport history. By combining historically inspired designs with premium materials, precision machining, and carefully engineered improvements, we deliver specialty racing components built with quality and functionality in mind.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eRetno\/Weber 48 IDA Complete Quad Carburetor Intake System\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e represents the craftsmanship, innovation, and racing heritage of the legendary Can-Am era.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eFor custom configurations, specialized engine applications, or additional information, please contact Retno through our SOS inquiry form.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"retnoco","offers":[{"title":"1.50\"","offer_id":57608490844324,"sku":null,"price":3750.0,"currency_code":"USD","in_stock":true},{"title":"2.50\"","offer_id":57608490877092,"sku":null,"price":3750.0,"currency_code":"USD","in_stock":true},{"title":"3.50\"","offer_id":57608490909860,"sku":null,"price":3750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0444\/6745\/4116\/files\/s-l1600-Edited_62198be4-dc0a-465d-a963-ca5305714fd7.jpg?v=1793813702","url":"https:\/\/retnoco.com\/products\/retno-weber-48-ida-complete-quad-carburetor-intake-manifold-system-sbc-chevy-10-angled-runners-lola-can-am-corvette-grand-sport-chaparral-style","provider":"retnoco","version":"1.0","type":"link"}