{"product_id":"2006-2007-gm-6-6l-lbz-duramax-transmission-tuning-by-ppei","title":"PPEI Transmission Tuning PP-LBZ-TT | 2006-2007 Duramax 6.6L LBZ","description":"\u003ch2\u003ePPEI Transmission Tuning – Extend Transmission Life \u0026amp; Boost Fuel Economy\u003c\/h2\u003e\n\n\u003ch3\u003eRefined Performance for Tuned Trucks\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePPEI Transmission Tuning\u003c\/strong\u003e is a must-have upgrade for tuned trucks with additional torque and power. This calibration refines your Allison transmission’s shifting behavior to deliver smoother operation, better response, and improved fuel efficiency — ensuring your truck performs exactly how it should.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproved Shift Points:\u003c\/strong\u003e Eliminates the low-RPM “lazy” feel that forces aggressive throttle input for downshifts — enhancing both drivability and fuel economy.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTurbo Optimization:\u003c\/strong\u003e Ideal for trucks with larger turbochargers, helping your engine return to the correct RPM range to match the new torque curve.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTorque Converter Lockup Refinement:\u003c\/strong\u003e Optimized to deliver power more efficiently, reducing slip, heat, and wasted fuel in typical “unlocked” conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel Economy Boost:\u003c\/strong\u003e Smoother shifting and reduced converter slip translate directly to increased MPG and lower operating temperatures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustom Fit Calibration:\u003c\/strong\u003e PPEI offers personalized adjustments to match your driving style and performance needs — your transmission, tuned your way.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Compatibility\u003c\/h3\u003e\n\u003cp\u003eInstallation is simple using \u003cstrong\u003eEFILive hardware\u003c\/strong\u003e and software. Compatible with:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEFILive AutoCal V2 \/ V3\u003c\/li\u003e\n  \u003cli\u003eEFILive FlashScan V2 \/ V3\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose PPEI?\u003c\/h3\u003e\n\u003cp\u003eFrom towing to performance driving, \u003cstrong\u003ePPEI Transmission Tuning\u003c\/strong\u003e gives your truck refined control, smoother shifts, and extended transmission life. Experience the perfect balance of performance, efficiency, and reliability — backed by PPEI’s expertise in diesel calibration.\u003c\/p\u003e","brand":"PPEI Tuning","offers":[{"title":"Default Title","offer_id":51231855608091,"sku":"PP-LBZ-TT","price":284.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0962\/5757\/3147\/files\/2006-2007GM6.6LLBZDuramax_TransmissionTuningbyPPEI-346629_800x_7fedad58-a9a9-4311-be88-fccf378d44fe.webp?v=1765245937","url":"https:\/\/wwmperformance.com\/products\/2006-2007-gm-6-6l-lbz-duramax-transmission-tuning-by-ppei","provider":"WWM Performance","version":"1.0","type":"link"}