{"product_id":"autolite-766-spark-plug","title":"Autolite 766 Spark Plug","description":"\u003ch2\u003eOverview of Autolite Copper Resistor Spark Plug 766\u003c\/h2\u003e\u003cp\u003eThe Autolite Copper Resistor Spark Plug 766 is engineered for reliable ignition performance in select Ford and Mercury vehicles. Designed with a copper core and resistor technology, this spark plug supports efficient combustion and consistent engine operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eResistance: 5000 ohms for noise suppression\u003c\/li\u003e\n\u003cli\u003eGround Electrode Tip: Tapered nickel design\u003c\/li\u003e\n\u003cli\u003eCenter Electrode Core: Copper with nickel tip\u003c\/li\u003e\n\u003cli\u003eElectrical Terminal Type: Stud\u003c\/li\u003e\n\u003cli\u003ePre-Gap Size: 0.044 inches (1.10 mm)\u003c\/li\u003e\n\u003cli\u003eHex Size: 16 mm (5\/8 inch)\u003c\/li\u003e\n\u003cli\u003eThread Diameter: 14.0 mm\u003c\/li\u003e\n\u003cli\u003eReach: 0.679 inches (17.0 mm)\u003c\/li\u003e\n\u003cli\u003eSeat Type: Tapered\u003c\/li\u003e\n\u003cli\u003eInsulator Material: Ceramic with mid projection\u003c\/li\u003e\n\u003cli\u003eGround Electrode Quantity: 1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Copper Resistor Spark Plug Line\u003c\/h2\u003e\u003cp\u003eThe Autolite Copper Resistor Spark Plug line combines copper core electrodes with resistor technology to reduce radio frequency interference while maintaining strong spark energy. This balance supports smooth ignition and engine efficiency, making it suitable for various Ford and Mercury models requiring a standard electrode design and tapered seat.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Autolite 766 spark plug features a copper center electrode core for enhanced thermal conductivity and durability, paired with a nickel tip for wear resistance. The single tapered ground electrode, also nickel, ensures consistent spark gap integrity. With a 5000 ohm resistor, this plug minimizes electrical noise that can affect vehicle electronics. The ceramic insulator with mid projection supports stable voltage insulation and heat dissipation. This spark plug is compatible with Ford and Mercury vehicles including the Capri, Cougar, F-100, LTD, Marquis, Mustang, and Thunderbird models.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eImproves ignition reliability in Ford Mustang and Mercury Cougar engines\u003c\/li\u003e\n\u003cli\u003eReduces radio frequency interference affecting onboard electronics\u003c\/li\u003e\n\u003cli\u003eMaintains consistent spark gap for smoother engine starts\u003c\/li\u003e\n\u003cli\u003eHelps prevent misfires caused by electrode wear or corrosion\u003c\/li\u003e\n\u003cli\u003eSupports efficient combustion in classic Ford F-100 and Thunderbird models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify correct spark plug gap of 0.044 inches (1.10 mm) before installation\u003c\/li\u003e\n\u003cli\u003eUse a 16 mm (5\/8 inch) socket for proper torque application\u003c\/li\u003e\n\u003cli\u003eEnsure tapered seat matches engine specifications for proper sealing\u003c\/li\u003e\n\u003cli\u003eApply anti-seize compound sparingly on threads if recommended by vehicle manufacturer\u003c\/li\u003e\n\u003cli\u003eTorque to manufacturer’s specifications to avoid damage to threads or insulator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eAutolite spark plugs are manufactured to meet OEM standards for fit, form, and function. The Copper Resistor Spark Plug 766 undergoes rigorous quality control to ensure consistent resistance and electrode integrity. While specific warranty details vary by distributor, Autolite products typically include coverage against manufacturing defects. Consult product documentation or supplier for warranty terms.\u003c\/p\u003e","brand":"Autolite","offers":[{"title":"Default Title","offer_id":43634899615925,"sku":"BBRQ-766","price":13.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/AB_766_Fro.jpg?v=1774987471","url":"https:\/\/www.partcatalog.com\/products\/autolite-766-spark-plug","provider":"PartCatalog","version":"1.0","type":"link"}