{"product_id":"ls1-ls2-ls6-intake-manifold-750-cfm-carburetor-kit","title":"EVIL ENERGY LS1 LS2 LS6 Single Plane Intake Manifold \u0026 750 CFM 4-Barrel Carburetor Kit","description":"\u003cp\u003e---!@!start!@!---Specifications---!@!end!@!---\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003e\n\u003cdiv align=\"left\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.ievilenergy.com\/products\/ls-single-plane-carburetor-intake-manifold-ls1-ls2-ls6\"\u003eEVIL ENERGY LS1 LS2 LS6 Single Plane Carburetor Intake Manifold\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eBrand\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eEVIL ENERGY\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003ePart Number\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003e300-132\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eProduct Name\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eLS Single Plane Carburetor Intake Manifold for LS1\/LS2\/LS6 Cathedral Port Engines\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eManifold Type\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eSingle Plane Carburetor Intake Manifold\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eFuel System Compatibility\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eCarburetor\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eIntake Style\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eHigh-RPM single plane LS carburetor intake layout\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eRPM Range\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003e5000-7500+ RPM, depending on the full engine combination\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eMaterial\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eCast Aluminum\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eColor \/ Variant\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eSilver \/ Black \/ Polished Silver\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eCompatible Engine Family\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eGM LS Gen III or Gen IV engines equipped with LS1\/LS2\/LS6 style cathedral port cylinder heads\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eCompatible Engines\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eLS1 5.7L Gen III, LS2 6.0L Gen IV, LS6 5.7L Gen III, and compatible cathedral port LS combinations\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eNot Compatible With\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eLS3\/L92\/L99\/L76 rectangular port cylinder heads unless the engine has been converted to compatible cathedral port heads\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eCommon Reference Applications\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eChevrolet Corvette C5, Chevrolet Camaro, Pontiac Firebird \/ Trans Am, Cadillac CTS-V, Holden Monaro \/ Commodore \/ HSV, Pontiac GTO, Chevrolet SSR, and other compatible LS1\/LS2\/LS6 cathedral port applications. Final fitment depends on engine, cylinder heads, carburetor setup, ignition control, hood clearance, and installation configuration.\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\n\u003cdiv align=\"left\"\u003eBest Use\u003c\/div\u003e\n\u003c\/th\u003e\n\u003ctd\u003e\n\u003cdiv align=\"left\"\u003eHigh-RPM LS carburetor builds, drag applications, track-day platforms, performance street cars, LS swaps, and compatible boosted LS combinations\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable width=\"\" style=\"height: 352.688px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd colspan=\"2\" style=\"height: 19.5938px;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/www.ievilenergy.com\/products\/750-cfm-4-barrel-carburetor-air-valve-controlled\"\u003eEVIL ENERGY 750 CFM 4-barrel Carburetor Air Valve-Controlled Secondary\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eEVIL ENERGY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5833px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eFinish\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eSatin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"height: 19.5833px;\"\u003eBarrels\u003c\/td\u003e\n\u003ctd style=\"height: 19.5833px;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eCFM\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e750 Carburetor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eCarburetor Flange\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eSquare bore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eChoke Type\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003emanual control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eSecondary Throttle Type\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eAir Valve-Controlled Secondary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eFuel Inlet\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 97.9688px;\"\u003e\n\u003ctd style=\"height: 97.9688px;\"\u003eCalibration\u003c\/td\u003e\n\u003ctd style=\"height: 97.9688px;\"\u003eMain Jets:#113\u003cbr\u003eSecondary Jets:#107\u003cbr\u003eAccelerator Pump Nozzle:0.031 inch\u003cbr\u003eMetering Rods: 0.071-inch x 0.047-inch\u003cbr\u003ePower Valve: Metering rod system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eVenturi Diameter\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e1.44 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"height: 39.1875px;\"\u003eThrottle Bore Diameter\u003c\/td\u003e\n\u003ctd style=\"height: 39.1875px;\"\u003ePrimary throttle Bore: 1.69 inch\u003cbr\u003eSecondary throttle Diameter: 1.69 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eCarburetor Height\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003e3.25 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eCompatibility \u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eGM, Ford, Chrysler AT Shift Linkage Assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eRemanufactured\u003c\/td\u003e\n\u003ctd style=\"height: 19.5938px;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e---!@!start!@!---Description---!@!end!@!---\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"EVIL ENERGY LS1 LS2 LS6 single plane LS carburetor intake and 750 CFM carburetor kit\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/EVIL_ENERGY_LS1_LS2_LS6_Single_Plane_Carburetor_Intake_Manifold-black-7.7-a1.webp?v=1783476855\"\u003e\u003c\/p\u003e\n\u003ch2\u003eLS1 LS2 LS6 Single Plane Intake Manifold \u0026amp; 750 CFM Carburetor Kit\u003c\/h2\u003e\n\u003cp\u003eConverting an LS engine from EFI to a carbureted setup requires the intake manifold, carburetor, ignition control, fuel delivery, and installation interfaces to work as one system. This EVIL ENERGY \u003cstrong\u003eLS carburetor intake\u003c\/strong\u003e kit pairs a single plane manifold for compatible \u003cstrong\u003eLS1, LS2, and LS6-style cathedral-port engines\u003c\/strong\u003e with a \u003cstrong\u003e750 CFM carburetor\u003c\/strong\u003e for modified LS combinations focused on higher-RPM operation.\u003c\/p\u003e\n\u003cp\u003eThis combination is better suited to performance-oriented LS builds than to engines configured mainly for low-RPM cruising or maximum low-speed torque. The manifold's listed operating range is 5,000-7,500+ RPM, so the complete engine, valvetrain, cylinder heads, camshaft, ignition, fuel system, and drivetrain should be capable of supporting the intended operating range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment first:\u003c\/strong\u003e Confirm the actual cylinder-head port style before ordering. This intake is designed for compatible cathedral-port configurations and is \u003cstrong\u003enot intended for LS3, L92, L99, L76, or other rectangular-port heads\u003c\/strong\u003e unless compatible cathedral-port cylinder heads have been installed.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"LS1 LS2 LS6 cathedral port single plane LS carburetor intake for high RPM performance builds\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/EVIL_ENERGY_LS1_LS2_LS6_Single_Plane_Carburetor_Intake_Manifold-black-7.7-a2.webp?v=1783476872\"\u003e\u003c\/p\u003e\n\u003ch2\u003eIs This Kit Right for Your LS Build?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine Configuration\u003c\/th\u003e\n\u003cth\u003eWhat to Know Before Ordering\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLS1 \/ LS2 \/ LS6-style cathedral-port heads\u003c\/td\u003e\n\u003ctd\u003eCompatible intake platform when the remaining fuel, ignition, linkage, and clearance requirements are verified.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLS3 \/ L92 \/ L99 \/ L76 rectangular-port heads\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eNot compatible\u003c\/strong\u003e unless the engine has been converted to compatible cathedral-port cylinder heads.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModified LS with higher-RPM operating goals\u003c\/td\u003e\n\u003ctd\u003eBetter aligned with the intended characteristics of the single plane intake.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePerformance camshaft, cylinder heads, and exhaust\u003c\/td\u003e\n\u003ctd\u003eSupporting modifications may make better use of the available higher-RPM airflow.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStock or lightly modified 5.7L LS\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eVerify carburetor sizing.\u003c\/strong\u003e A 750 CFM carburetor may provide more airflow than some combinations require.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow-RPM street or cruising build\u003c\/td\u003e\n\u003ctd\u003eA different intake and carburetor combination may provide characteristics better suited to the intended operating range.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eIs a 750 CFM Carburetor Right for Your Engine?\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003e750 CFM carburetor\u003c\/strong\u003e is not automatically the right choice for every LS1, LS2, or LS6. Required airflow depends on displacement, maximum RPM, volumetric efficiency, camshaft profile, cylinder-head airflow, compression ratio, exhaust, gearing, and intended use.\u003c\/p\u003e\n\u003cp\u003eThis combination is better aligned with modified LS engines that can use the higher-RPM characteristics of the single plane intake. A stock or lightly modified 5.7L engine that spends most of its time at lower RPM may be better matched to a different carburetor or intake configuration.\u003c\/p\u003e\n\u003cp\u003eThe included \u003cstrong\u003eperformance carburetor\u003c\/strong\u003e uses air valve-controlled secondaries, allowing additional secondary airflow to increase according to engine demand rather than tying secondary airflow directly to throttle movement. This provides a more progressive secondary transition than a directly linked mechanical-secondary arrangement.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/A_PC_-1_f045e0a1-5e5c-4e48-8d78-c389e87345ae.jpg?v=1751352145\" alt=\"EVIL ENERGY 750 CFM high performance carburetor with manual choke and air valve controlled secondaries\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eWhy Choose a Single Plane Intake for a Carbureted LS?\u003c\/h2\u003e\n\u003cp\u003eA single plane intake uses a common plenum feeding the intake runners and is generally selected when higher-RPM airflow is more important than maximizing low-speed response. This makes the manifold better suited to appropriately configured performance street, street\/strip, track, hot rod, and carbureted LS swap combinations that operate regularly at higher engine speeds.\u003c\/p\u003e\n\u003cp\u003eThe listed manifold RPM range describes the intended operating characteristics of the intake manifold; it is \u003cstrong\u003enot a safe engine-speed guarantee\u003c\/strong\u003e. Maximum engine RPM must be determined from the complete rotating assembly, valvetrain, cylinder heads, camshaft, oiling system, ignition control, and calibration.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/A_PC_-2_eafd1100-030e-4512-ac00-2e9ff93c623e.jpg?v=1751352146\" alt=\"EVIL ENERGY 750 CFM square bore performance carburetor for carbureted LS builds\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/A_PC_-3_0f5057f0-1215-4053-9c1f-ed6894974bbc.jpg?v=1751352146\" alt=\"750 CFM carburetor throttle linkage and metering adjustment details\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg alt=\"EVIL ENERGY LS1 LS2 LS6 cast aluminum single plane LS carburetor intake manifold\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/EVIL_ENERGY_LS1_LS2_LS6_Single_Plane_Carburetor_Intake_Manifold-black-7.7-a3.webp?v=1783476889\"\u003e\u003c\/p\u003e\n\u003ch2\u003eLS1 LS2 LS6 Cathedral-Port Fitment\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eLS carburetor intake\u003c\/strong\u003e is designed around compatible GM LS Gen III and Gen IV engines equipped with \u003cstrong\u003eLS1, LS2, or LS6-style cathedral-port cylinder heads\u003c\/strong\u003e. Compatible combinations may include 5.7L LS1 and LS6 engines, 6.0L LS2 engines, and other verified cathedral-port LS builds.\u003c\/p\u003e\n\u003cp\u003eReference vehicle applications may include Corvette C5, Camaro, Firebird \/ Trans Am, Pontiac GTO, Cadillac CTS-V, Chevrolet SSR, Holden Monaro \/ Commodore \/ HSV, and LS-swapped vehicles using a compatible engine configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle year, make, and model alone do not confirm fitment.\u003c\/strong\u003e Engine swaps, cylinder-head changes, and previous modifications can change intake compatibility. Confirm the cylinder heads actually installed on the engine before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNot compatible with LS3, L92, L99, or L76 rectangular-port cylinder heads\u003c\/strong\u003e unless the engine has been converted to compatible cathedral-port heads.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"LS1 LS2 LS6 cathedral port single plane intake manifold for carbureted LS conversion and performance builds\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/EVIL_ENERGY_LS1_LS2_LS6_Single_Plane_Carburetor_Intake_Manifold-black-7.7-a4.webp?v=1783476903\"\u003e\u003c\/p\u003e\n\u003ch2\u003eWhat Else Is Needed for an LS Carburetor Conversion?\u003c\/h2\u003e\n\u003cp\u003eAn \u003cstrong\u003eLS carburetor conversion\u003c\/strong\u003e involves more than replacing the EFI intake. The carburetor meters airflow and fuel, but compatible ignition control, fuel pressure, mechanical linkage, choke operation, vacuum connections, and installation clearance still need to be established separately.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSystem\u003c\/th\u003e\n\u003cth\u003eWhat to Verify\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIgnition Control\u003c\/td\u003e\n\u003ctd\u003eA compatible LS ignition-control solution is generally required because the carburetor does not control ignition timing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel System\u003c\/td\u003e\n\u003ctd\u003eConfirm the fuel pump, regulator, filter, fuel lines, and fittings are suitable for the carburetor's required operating pressure.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThrottle Linkage\u003c\/td\u003e\n\u003ctd\u003eVerify throttle cable, mounting bracket, return springs, full throttle travel, and transmission linkage where applicable.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManual Choke\u003c\/td\u003e\n\u003ctd\u003eConfirm a compatible choke cable, correct routing, and full choke travel.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVacuum \/ PCV\u003c\/td\u003e\n\u003ctd\u003eIdentify brake-booster, PCV, and other required vacuum connections and properly seal unused ports.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Cleaner \u0026amp; Clearance\u003c\/td\u003e\n\u003ctd\u003eCheck the total installed height of the manifold, carburetor, any spacer or adapter, and air cleaner against available hood and firewall clearance.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eLS Single Plane Intake Manifold x 1\u003c\/th\u003e\n\u003ctd\u003eEVIL ENERGY carburetor intake manifold for compatible LS1, LS2, LS6, and verified cathedral-port LS applications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e750 CFM 4-Barrel Carburetor x 1\u003c\/th\u003e\n\u003ctd\u003eEVIL ENERGY square-bore carburetor with air valve-controlled secondaries and manual choke.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSupplied Installation Hardware \u0026amp; Accessories\u003c\/th\u003e\n\u003ctd\u003eIncludes the mounting hardware and accessories supplied with the individual components.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Parts to Check Before Ordering\u003c\/h3\u003e\n\u003cp\u003eThe exact installation parts depend on the engine and vehicle configuration. Check whether the build requires:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible LS ignition controller\u003c\/li\u003e\n\u003cli\u003eIntake manifold and carburetor gaskets\u003c\/li\u003e\n\u003cli\u003eCarburetor-compatible fuel pump and\/or fuel pressure regulator\u003c\/li\u003e\n\u003cli\u003eFuel filter, fuel lines, fittings, and adapters\u003c\/li\u003e\n\u003cli\u003eThrottle cable bracket and return springs\u003c\/li\u003e\n\u003cli\u003eTransmission kickdown or TV cable components where applicable\u003c\/li\u003e\n\u003cli\u003eManual choke cable\u003c\/li\u003e\n\u003cli\u003eVacuum and PCV fittings\u003c\/li\u003e\n\u003cli\u003eAir cleaner assembly\u003c\/li\u003e\n\u003cli\u003eCarburetor spacer or adapter if required by the final configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/A_PC_-4_3afbb380-639e-4bdb-9d05-147e50c73c3f.jpg?v=1751352146\" alt=\"EVIL ENERGY 750 CFM performance carburetor for carbureted LS engine conversion\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eBefore Installation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm the cylinder heads:\u003c\/strong\u003e Verify LS1, LS2, LS6, or another compatible cathedral-port configuration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck intake fitment:\u003c\/strong\u003e Verify intake-port alignment, bolt pattern, and intake gasket compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the carburetor interface:\u003c\/strong\u003e Confirm the mounting pattern, gasket, studs, and whether a spacer or adapter is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlan ignition control:\u003c\/strong\u003e Establish a compatible ignition-control strategy before converting from EFI to carburetor operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify the fuel system:\u003c\/strong\u003e Confirm the pump, regulator, filter, lines, and fittings are appropriate for carburetor fuel pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck throttle operation:\u003c\/strong\u003e Verify the throttle cable, bracket, return springs, and transmission linkage through the full range of travel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck manual choke operation:\u003c\/strong\u003e Confirm cable routing and complete choke travel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck vacuum connections:\u003c\/strong\u003e Identify required PCV, brake-booster, and accessory vacuum ports before startup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck clearance:\u003c\/strong\u003e Include the manifold, carburetor, spacer or adapter, and air cleaner when measuring hood and surrounding engine-bay clearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/A_PC_-5_498e7543-8e77-43b8-9af6-a5e7c6c0aece.jpg?v=1751352146\" alt=\"750 CFM carburetor installation and tuning checks for LS carburetor conversion\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch2\u003eInitial Setup \u0026amp; Tuning\u003c\/h2\u003e\n\u003cp\u003eFinal carburetor calibration depends on the complete engine combination. Before changing jets or metering components, verify the installation and supporting systems first.\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003eInspect the intake manifold, carburetor base, vacuum connections, and fuel connections for leaks.\u003c\/li\u003e\n\u003cli\u003eConfirm that fuel pressure and fuel delivery are appropriate for the carburetor.\u003c\/li\u003e\n\u003cli\u003eVerify ignition control and timing operation.\u003c\/li\u003e\n\u003cli\u003eCheck throttle and manual choke movement through their full range.\u003c\/li\u003e\n\u003cli\u003eSet and evaluate idle speed and idle mixture after the engine reaches operating temperature.\u003c\/li\u003e\n\u003cli\u003eEvaluate transition and secondary operation before changing the metering calibration.\u003c\/li\u003e\n\u003cli\u003eChange one calibration variable at a time and record the result.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eDo not automatically treat rich, lean, bogging, unstable-idle, or hard-start conditions as a jetting problem. Check for vacuum leaks, incorrect fuel pressure, fuel-delivery problems, float or needle-seat issues, ignition faults, and timing problems before changing carburetor calibration.\u003c\/p\u003e","brand":"EVILENERGY","offers":[{"title":"Black","offer_id":46378150396040,"sku":null,"price":429.99,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":46378150428808,"sku":null,"price":409.99,"currency_code":"USD","in_stock":true},{"title":"Polished Silver","offer_id":46378150461576,"sku":null,"price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0590\/5403\/0984\/files\/BUH0007019_FS23-00059SR-021-L.webp?v=1786617013","url":"https:\/\/www.ievilenergy.com\/products\/ls1-ls2-ls6-intake-manifold-750-cfm-carburetor-kit","provider":"EVILENERGY","version":"1.0","type":"link"}