{"product_id":"thundermingo-rochester-quadrajet-carburetor-with-electric-choke-750-cfm-4mv-for-chevy-v8-1980-1989","title":"THUNDERMINGO Rochester Quadrajet Carburetor with Electric Choke - 750 CFM 4MV for Chevy V8 1980-1989","description":"\u003ch2\u003eRochester Quadrajet Carburetor with Electric Choke by THUNDERMINGO\u003c\/h2\u003e\n\u003cp\u003eDiscover a brand-new 4-BBL replacement designed to honor the classic Rochester Quadrajet design while providing reliable, modern usability. The THUNDERMINGO Rochester Quadrajet carburetor with electric choke is built to offer smooth cold starts, steady idle performance, and responsive throttle action when paired with the right engine setup. It’s a thoughtfully engineered upgrade for Dodge-and GM-powered classics that rely on a 4MV Rochester system.\u003c\/p\u003e\n\u003cp\u003eThis unit is crafted to replace the original 1904R and 1906R Quadrajet models, delivering a straightforward upgrade path for compatible engines. With an eye toward authentic fitment, it supports Chevy bowl entrance and linkage styles, 4-BBL operation, and alignment with EGR where applicable. While it carries a robust 750 CFM rating in the common 600–800 CFM range, the actual performance will depend on your specific combination and tune.\u003c\/p\u003e\n\u003ch3\u003eFitment, specs, and installation notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatibility: Fits 1980 Chevy passenger cars and 1981–1986 Chevy\/GMC trucks with Rochester Quadrajet 4MV electric choke configurations; designed for 305–350 cubic inch engines.\u003c\/li\u003e\n\u003cli\u003eKey specs: Typical 750 CFM capacity; pre-installed main jet 190, idle jet 120, auxiliary venturi 7 mm; venturi choke tube 31.7 mm; air correction jets 190; needle valve 3.3.\u003c\/li\u003e\n\u003cli\u003eElectrical and wiring: This version does not include electrical plugs or an AC throttle kick-up assembly; not intended for computer-controlled vehicles; not recommended for marine use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eWhat you get: A brand-new 4-BBL carburetor that is fully tested and ready to install; please verify part compatibility with your current component before purchase.\u003c\/li\u003e\n\u003cli\u003eInstallation guidance: No printed instructions are included; online installation videos are recommended, and a qualified mechanic can help with tuning for your setup.\u003c\/li\u003e\n\u003cli\u003eFitment caveat: Ensure the carburetor size matches your replacement needs and that bowl entrance and linkage style align with your intake manifold.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat to expect and real-world use cases\u003c\/h3\u003e\n\u003cp\u003eFor restoration and maintenance projects, this carburetor offers a credible path to restoring authentic feel and reliable operation on classic GM V8s. While results vary by engine condition and tuning, users may experience smoother idle and more predictable throttle responses when paired with a properly matched system and careful tuning. The unit is designed to slot into compatible 4MV Rochester Quadrajet installations with minimal modification, making it a practical option for period-correct builds and everyday drivers alike.\u003c\/p\u003e\n\u003cp\u003eIf you’re rebuilding a Chevy 305–350 c.i. engine and want a fresh, factory-like carburetor that aligns with the Rochester Quadrajet design, this THUNDERMINGO option provides a solid foundation for a reliable replacement. Plan ahead for installation and tuning, and consider professional support to help realize the best balance of idle quality, part wear, and overall drivability.\u003c\/p\u003e\n\u003cp\u003eIn short, this carburetor stands as a measured choice for enthusiasts seeking a brand-new 4-BBL Rochester alternative that respects original design cues while offering modern reliability. Explore compatibility, compare with your current setup, and approach installation with care to fully unlock its potential for your classic GM vehicle.\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: Is this carburetor compatible with 1980-1989 Chevy V8 engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits Rochester Quadrajet 1904R\/1906R with 4MV electric choke for 1980–1989 Chevy 305–350 c.i.; verify compatibility with your intake and linkage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are installation instructions included and is professional setup recommended?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No printed instructions; consult online installation videos. Tuning may be required; professional installation is advised for best results.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"THUNDERMINGO","offers":[{"title":"Default Title","offer_id":42397692035157,"sku":"B0FK4SY335","price":236.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/thunder-mingo-rochester-quadrajet-carb-electric-choke-750cfm-4mv.jpg?v=1776060242","url":"https:\/\/plentytorque.co.uk\/products\/thundermingo-rochester-quadrajet-carburetor-with-electric-choke-750-cfm-4mv-for-chevy-v8-1980-1989","provider":"PlentyTorque","version":"1.0","type":"link"}