{"product_id":"gen-4-6l80-6l90-transmission-tune","title":"Gen 4 6L80\/6L90 Transmission tune","description":"\u003cp\u003eTune your transmission for firmer shifts, higher shift points and torque converter tweaks.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e⚠️ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eWorried About the 6L80 Shudder?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIf you own a GM truck or SUV with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e6L80\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, you’ve probably heard about the dreaded torque converter shudder.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBut why wait until there’s a problem?\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA properly calibrated transmission tune can change how the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etorque converter clutch (TCC)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is commanded and help reduce unnecessary slipping and heat — two things that can contribute to accelerated converter and transmission wear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCustom LS Tunes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, we can adjust your 6L80 calibration to improve:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e🔧 Torque converter lockup strategy\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e🔧 TCC apply\/release behavior\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e🔧 Shift scheduling\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e🔧 Line pressure and shift feel\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e🔧 Transmission behavior for your specific setup\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether your truck is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003estock, cammed, lifted, running larger tires, or has different gearing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the transmission calibration should match how the truck is actually being used.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWant to help protect your 6L80 before the shudder starts?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSend us a message and let’s get it dialed in.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCustom LS Tunes\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eRemote custom tuning for Gen III \u0026amp; Gen IV GM trucks and LS-powered vehicles.\u003c\/span\u003e\u003c\/p\u003e","brand":"Custom LS Tunes","offers":[{"title":"Default Title","offer_id":48985371967645,"sku":null,"price":250.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/8302\/9661\/files\/6L80_Shudder_Prevention_Guide.png?v=1791428688","url":"https:\/\/customlstunes.com\/products\/gen-4-6l80-6l90-transmission-tune","provider":"Custom LS Tunes","version":"1.0","type":"link"}