{"product_id":"dd84-holley-efi-4l80e-transmission-configuration","title":"DD84 Holley EFI 4L80E Custom Transmission Calibration","description":"\u003ch2\u003eCustom Holley EFI 4L80E Transmission Calibration\u003c\/h2\u003e\u003cp\u003eSend DD84 your current Holley EFI Global File and complete transmission setup. We will review the file and prepare a customer-specific 4L80E transmission-control baseline for compatible Holley EFI systems.\u003c\/p\u003e\u003ch3\u003eHow It Works\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003ePurchase this calibration service.\u003c\/li\u003e\n\u003cli\u003eEmail your Holley Global File and complete transmission information to \u003ca href=\"mailto:downdirty84llc@gmail.com\"\u003e\u003cstrong\u003edowndirty84llc@gmail.com\u003c\/strong\u003e\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eUse the subject line: \u003cstrong\u003eHolley 4L80E Calibration – Order #[order number] – [name]\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDD84 returns the calibrated file electronically after review.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e\u003cstrong\u003eTypical turnaround:\u003c\/strong\u003e 24–48 business hours after all required information is received.\u003c\/p\u003e\u003ch3\u003eIncluded\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReview of the customer-supplied Holley EFI file\u003c\/li\u003e\n\u003cli\u003eBaseline shift scheduling\u003c\/li\u003e\n\u003cli\u003eStarting line-pressure strategy\u003c\/li\u003e\n\u003cli\u003eTorque-converter clutch control setup\u003c\/li\u003e\n\u003cli\u003ePart-throttle and wide-open-throttle shift starting points\u003c\/li\u003e\n\u003cli\u003eOne initial calibrated file returned by email\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEmail With Your File\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eShopify order number\u003c\/li\u003e\n\u003cli\u003eHolley ECU model, software version, and firmware\u003c\/li\u003e\n\u003cli\u003eVehicle year, make, model, approximate weight, and intended use\u003c\/li\u003e\n\u003cli\u003eEngine combination and estimated horsepower and torque\u003c\/li\u003e\n\u003cli\u003e4L80E year, internal modifications, valve-body type, and shift-control configuration\u003c\/li\u003e\n\u003cli\u003eConverter stall speed and lockup configuration\u003c\/li\u003e\n\u003cli\u003eRear gear ratio and loaded tire diameter\u003c\/li\u003e\n\u003cli\u003eInput\/output speed-sensor setup, range selection, brake-switch input, and temperature-sensor details\u003c\/li\u003e\n\u003cli\u003eDesired shift feel, wide-open-throttle shift RPM, lockup strategy, current problems, and datalogs when available\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNot Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine fuel or ignition calibration\u003c\/li\u003e\n\u003cli\u003eUnlimited revisions or ongoing datalog support\u003c\/li\u003e\n\u003cli\u003eMechanical diagnosis or repair of the transmission\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSafety notice:\u003c\/strong\u003e This is a starting calibration, not a universal finished transmission tune. Safe line pressure, shift timing, and converter-clutch operation depend on the transmission build, valve body, clutch clearances, converter, power level, vehicle weight, and speed-sensor setup. Final settings must be validated through controlled testing and datalogs.\u003c\/p\u003e\u003cp\u003eDown Dirty 84 LLC is an independent calibration provider and is not affiliated with or endorsed by Holley Performance Products or General Motors. Compatibility and the accuracy of submitted information are the purchaser’s responsibility. Sales are final after calibration work begins except where required by law.\u003c\/p\u003e","brand":"Down Dirty 84 LLC","offers":[{"title":"Custom File Calibration","offer_id":45655977295919,"sku":"DD84-HOLLEY-4L80E-CONFIG-001","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/down-dirty-84-holley-efi-digital-tools-logo.jpg?v=1784732572","url":"https:\/\/shop.downdirty84llc.com\/products\/dd84-holley-efi-4l80e-transmission-configuration","provider":"Down Dirty 84 LLC","version":"1.0","type":"link"}