{"product_id":"c8-corvette-lt2-6-2-bolt-on-tune-copy","title":"Corvette C8 HP Tuners TCM Transmission Tune","description":"\u003cp\u003eUnlock faster, firmer, and more responsive shifting with the \u003cstrong\u003eHP Tuners TCM Transmission Tune\u003c\/strong\u003e for the \u003cstrong\u003e2020–2026 Chevrolet Corvette C8\u003c\/strong\u003e. Designed for the factory GM T46 Transmission Control Module (TCM), this custom calibration removes factory limitations and optimizes shift performance to deliver a sharper, more engaging driving experience.\u003c\/p\u003e\n\u003cp\u003eWhether your Corvette is stock or heavily modified, a properly calibrated TCM tune enhances shift speed, clutch engagement, and transmission behavior while maintaining everyday drivability. Pairing a TCM tune with an ECU tune provides one of the most noticeable performance improvements, allowing the engine and transmission to work together more efficiently.\u003c\/p\u003e\n\u003ch2\u003eImprove Shift Performance\u003c\/h2\u003e\n\u003cp\u003eThe factory TCM calibration is designed to prioritize comfort and smoothness. This custom calibration refines the transmission's behavior for quicker gear changes, improved shift timing, and more responsive acceleration.\u003c\/p\u003e\n\u003cp\u003eBenefits include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFaster, quicker gear changes\u003c\/li\u003e\n\u003cli\u003eImproved shift firmness\u003c\/li\u003e\n\u003cli\u003eEnhanced throttle response\u003c\/li\u003e\n\u003cli\u003eReduced shift delay\u003c\/li\u003e\n\u003cli\u003eOptimized clutch engagement\u003c\/li\u003e\n\u003cli\u003eImproved acceleration feel\u003c\/li\u003e\n\u003cli\u003eMore consistent performance under spirited driving\u003c\/li\u003e\n\u003cli\u003eBetter transmission response throughout the RPM range\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDesigned to Work with ECU Tuning\u003c\/h2\u003e\n\u003cp\u003eFor maximum performance, this transmission tune pairs perfectly with an ECU calibration. Together they optimize engine output and transmission operation, delivering a smoother, faster, and more responsive driving experience.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCustom HP Tuners TCM calibration\u003c\/li\u003e\n\u003cli\u003eSupports the GM T46 Transmission Control Module\u003c\/li\u003e\n\u003cli\u003eFaster shift speeds\u003c\/li\u003e\n\u003cli\u003eImproved transmission response\u003c\/li\u003e\n\u003cli\u003eOptimized shift scheduling\u003c\/li\u003e\n\u003cli\u003eRefined clutch pressure calibration\u003c\/li\u003e\n\u003cli\u003eEnhanced drivability\u003c\/li\u003e\n\u003cli\u003eImproved performance for stock and modified vehicles\u003c\/li\u003e\n\u003cli\u003eMaintains factory drivability during normal cruising\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRequirements\u003c\/h2\u003e\n\u003cp\u003eTo install this calibration, the following are required:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHP Tuners GM T46 TCM Unlock Service\u003c\/li\u003e\n\u003cli\u003eHP Tuners RTD4 or MPVI4 Interface\u003c\/li\u003e\n\u003cli\u003eHP Tuners Universal Credits (6 Credits)\u003c\/li\u003e\n\u003cli\u003eHP Tuners Tune Delivery Network (TDN) App or VCM Suite Software\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you have not already unlocked your TCM, the required unlock service can be added during checkout.\u003c\/p\u003e\n\u003ch2\u003eAvailable Options\u003c\/h2\u003e\n\u003cp\u003eChoose the options that match your vehicle during checkout:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTCM Unlock Required or Already Unlocked\u003c\/li\u003e\n\u003cli\u003eRTD4 Interface Required or Already Owned\u003c\/li\u003e\n\u003cli\u003eHP Tuners Universal Credits Required or Already Owned\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCustom HP Tuners TCM Calibration\u003c\/li\u003e\n\u003cli\u003eTuning File Delivered Through HP Tuners\u003c\/li\u003e\n\u003cli\u003eFlashing Instructions\u003c\/li\u003e\n\u003cli\u003eRemote Calibration Support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2020 Chevrolet Corvette C8 Stingray\u003c\/li\u003e\n\u003cli\u003e2021 Chevrolet Corvette C8 Stingray\u003c\/li\u003e\n\u003cli\u003e2022 Chevrolet Corvette C8 Stingray\u003c\/li\u003e\n\u003cli\u003e2023 Chevrolet Corvette C8 Stingray\u003c\/li\u003e\n\u003cli\u003e2023 Chevrolet Corvette C8 Z06\u003c\/li\u003e\n\u003cli\u003e2024 Chevrolet Corvette C8 Stingray\u003c\/li\u003e\n\u003cli\u003e2024 Chevrolet Corvette C8 Z06\u003c\/li\u003e\n\u003cli\u003e2024 Chevrolet Corvette C8 E-Ray\u003c\/li\u003e\n\u003cli\u003e2025 Chevrolet Corvette C8 Stingray\u003c\/li\u003e\n\u003cli\u003e2025 Chevrolet Corvette C8 Z06\u003c\/li\u003e\n\u003cli\u003e2025 Chevrolet Corvette C8 E-Ray\u003c\/li\u003e\n\u003cli\u003e2025 Chevrolet Corvette C8 ZR1\u003c\/li\u003e\n\u003cli\u003e2026 Chevrolet Corvette C8 Stingray\u003c\/li\u003e\n\u003cli\u003e2026 Chevrolet Corvette C8 Z06\u003c\/li\u003e\n\u003cli\u003e2026 Chevrolet Corvette C8 E-Ray\u003c\/li\u003e\n\u003cli\u003e2026 Chevrolet Corvette C8 ZR1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVehicle VIN is required before tuning can begin.\u003c\/li\u003e\n\u003cli\u003eThe GM T46 TCM must be unlocked prior to flashing a custom calibration.\u003c\/li\u003e\n\u003cli\u003eUnlock service typically requires \u003cstrong\u003e1–3 weeks\u003c\/strong\u003e due to processing demand.\u003c\/li\u003e\n\u003cli\u003eThis is a custom-made tuning service and is non-refundable once calibration work has begun.\u003c\/li\u003e\n\u003cli\u003eProfessional installation and tuning familiarity are recommended for the best experience.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HP Tuners","offers":[{"title":"Default Title","offer_id":52727610900792,"sku":null,"price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/7264\/9784\/files\/IMG-9138.webp?v=1785618688","url":"https:\/\/engmotorsport.com\/products\/c8-corvette-lt2-6-2-bolt-on-tune-copy","provider":"ENG Motorsport","version":"1.0","type":"link"}