{"product_id":"thundermingo-2-barrel-carburetor-for-dodge-chrysler-318-273-v8-high-top-bbd-manual-choke","title":"THUNDERMINGO 2-Barrel Carburetor for Dodge Chrysler 318\/273 V8 — High-Top BBD, Manual Choke","description":"\u003cstrong\u003eTHUNDERMINGO’s 2-barrel high-top BBD carburetor is a direct-fit manual-choke replacement for Dodge, Chrysler and Plymouth 273\/318 V8 engines from the late 1960s to 1980s.\u003c\/strong\u003e\n\n\u003cp\u003eThis heavy-duty zinc-alloy carburetor is built to match original Carter-style high-top BBD dimensions and mounting points, giving classic V8 drivers a reliable alternative to worn or leaky factory carbs. It’s engineered for straightforward installation on 273 and 318 cubic-inch V8 engines and comes adjusted to original baseline settings; final tuning for mixture, idle and float may be needed to suit your engine’s condition and cam\/tune setup.\u003c\/p\u003e\n\n\u003ch3\u003eWill this carburetor physically fit my 273 or 318 engine?\u003c\/h3\u003e\n\u003cp\u003eYes — the THUNDERMINGO 2-barrel is designed to replace factory Carter\/High Top BBD units used on Dodge, Chrysler and Plymouth 273 and 318 V8s produced in the 1966–1973 era, and compatible with many 1967–1980 318 applications. Confirm flange bolt spacing and intake bore sizes against your manifold before buying.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBolt hole spacing: 82mm × 47.5mm (center to center)\u003c\/li\u003e\n  \u003cli\u003eIntake-side inner diameter: 36.5mm\u003c\/li\u003e\n  \u003cli\u003eChoke air horn inner\/outer diameters: 62mm \/ 66mm\u003c\/li\u003e\n  \u003cli\u003eVenturi diameter: 30mm\u003c\/li\u003e\n  \u003cli\u003eReplaces part numbers such as 8211S, 14-161, 4113, Holley 2280, and others\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the manual choke version affect cold starts and drivability?\u003c\/h3\u003e\n\u003cp\u003eThe manual choke gives the driver direct control over enrichment during engine warm-up. It’s simple, dependable and preferred on many older vehicles where an automatic choke is either hard to source or undesirable for tuning consistency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManual choke lever for on-demand enrichment\u003c\/li\u003e\n  \u003cli\u003eBaseline adjustments set at the factory; final tuning recommended\u003c\/li\u003e\n  \u003cli\u003eStable idle once choke is opened and mixture set correctly\u003c\/li\u003e\n  \u003cli\u003eWorks well with original intake manifolds and period ignition timing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and build details ensure long-term reliability?\u003c\/h3\u003e\n\u003cp\u003eConstructed from a heavy-duty zinc alloy, the THUNDERMINGO carburetor resists corrosion and maintains dimensional stability under heat cycles. Critical components are precision cast and assembled, then tested and adjusted to deliver a consistent baseline performance out of the box.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHeavy-duty zinc-alloy body for durability\u003c\/li\u003e\n  \u003cli\u003ePrecision-machined throttle and venturi passages\u003c\/li\u003e\n  \u003cli\u003eFactory-set float, idle and power needle starting positions\u003c\/li\u003e\n  \u003cli\u003eComprehensive replacement for worn or damaged original carbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat adjustments should I make after installation?\u003c\/h3\u003e\n\u003cp\u003eBecause older engines vary in wear and setup, THUNDERMINGO recommends a few primary adjustments to achieve proper idle and mixture. These are simple tweaks most home mechanics or tuners can perform with basic tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSet throttle idle screw to about 1-1\/4 turns off the stop pin\u003c\/li\u003e\n  \u003cli\u003eSet idle mixture needle one full turn off the seat as a starting point\u003c\/li\u003e\n  \u003cli\u003eSet power (main) mixture needle one full turn off the seat\u003c\/li\u003e\n  \u003cli\u003eFine-tune mixture and float levels while observing idle quality and plug condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The THUNDERMINGO 2-barrel BBD manual-choke carburetor suits classic car and truck owners, restorers, and mechanics who need a faithful, robust replacement for worn Carter-style carbs on Dodge, Chrysler and Plymouth 273\/318 V8s. If you restore period-correct drivability, perform engine rebuilds, or simply want a durable, serviceable carb with straightforward adjustments, this unit provides a practical, factory-dimensioned solution. Always verify physical fit and compatibility with your manifold and engine model before purchasing.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this carburetor replace the original Carter BBD unit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s designed as a high-top BBD replacement compatible with many Carter-style 273\/318 applications; verify bolt spacing and bore sizes before installing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the choke automatic or manual?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This model uses a manual choke, offering driver-controlled enrichment for cold starts and simple, reliable operation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"THUNDERMINGO","offers":[{"title":"Default Title","offer_id":48079944810654,"sku":"B0B1877NYC","price":117.27,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/thundermingo-carburetor-front-view.jpg?v=1785776615","url":"https:\/\/northtrailauto.ca\/products\/thundermingo-2-barrel-carburetor-for-dodge-chrysler-318-273-v8-high-top-bbd-manual-choke","provider":"North Trail Auto","version":"1.0","type":"link"}