{"title":"Automotive Tuning \u0026 Calibration Services","description":"\u003ch2\u003eProfessional Remote, Mobile and In-Person Vehicle Tuning\u003c\/h2\u003e\u003cp\u003eBrowse DD84 tuning and calibration services for GM, Ford, Dodge, Lexus, Toyota, Holley EFI, LS swaps, cammed combinations, E85, flex-fuel, boosted builds, transmission tuning and PCM-related services.\u003c\/p\u003e\u003cp\u003eChoose from tune readiness reviews, custom calibration packages, diagnostic support, startup files, street tuning and performance add-ons. Each service page explains what is included, what vehicle information is required and whether the service is remote, digital or appointment-based.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStart with a readiness review when the vehicle has unresolved codes, wiring problems, fuel-pressure issues or mechanical concerns.\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"ls-cam-swap-base-tune-review-hp-tuners","title":"LS Cam Swap Base Tune Review — HP Tuners","description":"\u003cp\u003eProfessional review of your HP Tuners cam swap tune.\u003c\/p\u003e\n\u003cp\u003e• Idle \u0026amp; airflow review\u003cbr\u003e• Spark \u0026amp; fueling safety check\u003cbr\u003e• VE \u0026amp; MAF configuration\u003cbr\u003e• Gen 3 \u0026amp; Gen 4\u003cbr\u003e• NA \u0026amp; boosted\u003c\/p\u003e\n\u003cp\u003eTurnaround: 24–48 hours\u003cbr\u003e\u003c\/p\u003e","brand":"Down Dirty 84 LLC","offers":[{"title":"Default Title","offer_id":44898103656495,"sku":null,"price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/1de036d5-d1ba-408f-a8ff-cbc87787879d_34c4dd95-c665-4ce9-a14b-92b579266be6.png?v=1769045616"},{"product_id":"dodge-mopar-custom-ecu-tuning-service","title":"Dodge \/ Mopar Custom ECU Tuning Service","description":"\u003cp\u003eCustom Dodge and Mopar ECU tuning service for street-driven performance builds. Built around safe power delivery, drivability, and reliability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSupports common Dodge Charger, Challenger, Hemi, and related Mopar platforms\u003c\/li\u003e\n\u003cli\u003eNA, cammed, bolt-on, and boosted combinations\u003c\/li\u003e\n\u003cli\u003ePCM unlock or unlocked PCM may be required on newer vehicles\u003c\/li\u003e\n\u003cli\u003eCustomer intake required before calibration work\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Vehicle must be mechanically sound before tuning. Final scope depends on vehicle condition, setup, and datalog review.\u003c\/p\u003e","brand":"Down Dirty 84 LLC","offers":[{"title":"Basic Tune","offer_id":45386143432751,"sku":"DD84-MOPAR-TUNE-BASIC","price":350.0,"currency_code":"USD","in_stock":true},{"title":"Street Tune","offer_id":45386143465519,"sku":"DD84-MOPAR-TUNE-STREET","price":450.0,"currency_code":"USD","in_stock":true},{"title":"Performance Tune","offer_id":45386143498287,"sku":"DD84-MOPAR-TUNE-PERF","price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/dd84-dodge-service-pricing_5ca2f324-21c3-41c5-bc1e-e8543cd61f01.jpg?v=1779725948"},{"product_id":"toyota-lexus-performance-tuning-service","title":"Toyota \/ Lexus Performance Tuning Service","description":"\u003cp\u003eToyota and Lexus performance tuning service for supported platforms. Built around improved drivability, safe street performance, and clean power delivery.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSupports select Toyota and Lexus vehicles\u003c\/li\u003e\n\u003cli\u003eCommon requests include throttle response, drivability, performance calibration, and pops\/bangs where applicable\u003c\/li\u003e\n\u003cli\u003eCustomer intake required before tuning\u003c\/li\u003e\n\u003cli\u003eFinal availability depends on exact year, model, engine, ECU support, and vehicle condition\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Vehicle support must be confirmed before purchase.\u003c\/p\u003e","brand":"Down Dirty 84 LLC","offers":[{"title":"Base Tune","offer_id":45386145497135,"sku":"DD84-TOYLEX-BASE","price":400.0,"currency_code":"USD","in_stock":true},{"title":"Street Performance Tune","offer_id":45386145529903,"sku":"DD84-TOYLEX-STREET","price":450.0,"currency_code":"USD","in_stock":true},{"title":"Performance Tune","offer_id":45386145562671,"sku":"DD84-TOYLEX-PERF","price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/dd84-lexus-tuning-applications_3240a85f-2b9b-40f7-b2bd-ef8e59a37e1a.jpg?v=1779726107"},{"product_id":"dodge-mopar-pcm-unlock-service","title":"Dodge \/ Mopar PCM Unlock Service","description":"\u003cp\u003ePCM unlock service for supported Dodge and Mopar vehicles that require an unlocked PCM before tuning.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePCM unlock only option\u003c\/li\u003e\n\u003cli\u003eVehicle drop-off\/removal and install option available\u003c\/li\u003e\n\u003cli\u003eCustomer must confirm year, make, model, engine, and PCM details before purchase\u003c\/li\u003e\n\u003cli\u003eShipping may apply if PCM is mailed in\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePricing note:\u003c\/strong\u003e Unlock-only service starts at $200. If the vehicle is brought in and PCM removal\/install is required, service is $300.\u003c\/p\u003e","brand":"Down Dirty 84 LLC","offers":[{"title":"PCM Unlock Only","offer_id":45386145923119,"sku":"DD84-PCM-UNLOCK-ONLY","price":200.0,"currency_code":"USD","in_stock":true},{"title":"PCM Unlock + Remove \/ Install","offer_id":45386145955887,"sku":"DD84-PCM-UNLOCK-INSTALL","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/dd84-dodge-pcm-package-pricing_62651dbf-f3f2-4900-b617-2f681fce72d2.jpg?v=1779725986"},{"product_id":"performance-wiring-efi-power-diagnostics","title":"Performance Wiring \u0026 EFI Power Diagnostics","description":"\u003cp\u003eDiagnostic service for performance wiring, EFI power loss, fan power supply, ECM power supply, interior power distribution, and related electrical issues.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEFI power loss diagnostics\u003c\/li\u003e\n\u003cli\u003eHolley EFI and aftermarket ECU wiring review\u003c\/li\u003e\n\u003cli\u003eFan, relay, fuse, power, and ground testing\u003c\/li\u003e\n\u003cli\u003eHarness repair estimate available after inspection\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This listing covers diagnostic labor only. Harness repair, parts, rewiring, relays, terminals, fuse panels, and travel are quoted separately.\u003c\/p\u003e","brand":"Down Dirty 84 LLC","offers":[{"title":"Basic Electrical Diagnostic","offer_id":45386146152495,"sku":"DD84-WIRING-DIAG-BASIC","price":75.0,"currency_code":"USD","in_stock":true},{"title":"Advanced Wiring Diagnostic","offer_id":45386146185263,"sku":"DD84-WIRING-DIAG-ADV","price":125.0,"currency_code":"USD","in_stock":true},{"title":"Harness Build Estimate Deposit","offer_id":45386146218031,"sku":"DD84-HARNESS-EST-DEPOSIT","price":250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/dd84-remote-tune-readiness-review_505c81dd-be40-4d46-be41-deef1300ad7b.jpg?v=1779726203"},{"product_id":"remote-tune-readiness-review","title":"Remote Tune Readiness Review — Is Your Build Ready?","description":"\u003ch2\u003eFind Out If Your Build Is Ready Before You Buy a Full Tune\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eUse this focused pre-tune review to catch missing information, setup problems, and obvious readiness risks before you commit to a complete calibration.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis is the best DD84 starting point when you want a clear answer to one question: \u003cem\u003eIs the vehicle ready to move into tuning?\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eChoose Your Review\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBasic Readiness Review — $49:\u003c\/strong\u003e vehicle combination and modification review, fuel\/ignition\/sensor\/wiring red-flag check, datalog-readiness checklist, and a written Ready \/ Not Ready recommendation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReadiness Review + Datalog Check — $75:\u003c\/strong\u003e includes the Basic review plus a check of the submitted datalog for readiness concerns and missing or unhelpful channels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat You Receive\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eA practical Ready \/ Not Ready recommendation\u003c\/li\u003e\n  \u003cli\u003eThe most important red flags found in the information supplied\u003c\/li\u003e\n  \u003cli\u003eA short list of missing details, checks, or repairs to address next\u003c\/li\u003e\n  \u003cli\u003eGuidance on the most appropriate DD84 service path when the build is ready\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat to Submit After Checkout\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eVehicle year, make, model, engine, ECU\/controller, transmission, and intended use\u003c\/li\u003e\n  \u003cli\u003eFuel type, injector information, power adders, camshaft, and major modifications\u003c\/li\u003e\n  \u003cli\u003eCurrent symptoms, known faults, recent repairs, and your tuning goal\u003c\/li\u003e\n  \u003cli\u003eYour current datalog and channel list when purchasing the Datalog Check option\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Scope\u003c\/h3\u003e\n\u003cp\u003eThis is a remote readiness review only. It does not include a completed tune file, calibration revision, live remote tuning, dyno validation, wiring repair, mechanical diagnosis, emissions-system removal, or a guarantee that every hidden vehicle problem will be found.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIf you only need a clear first step, start here. If you need deeper written guidance on an existing setup or log, choose the \u003ca href=\"https:\/\/shop.downdirty84llc.com\/products\/tune-support-advisor-log-review\"\u003eDD84 Tune Support Advisor\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down Dirty 84 LLC","offers":[{"title":"Basic Readiness Review","offer_id":45386669424687,"sku":"DD84-REMOTE-READY-BASIC","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Readiness Review + Datalog Check","offer_id":45386669457455,"sku":"DD84-REMOTE-READY-LOG","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/dd84-remote-tune-readiness-review-49-75_88a399d9-69ea-4044-8571-e35f5c650ac3.png?v=1787668158"},{"product_id":"pcm-service-booking-deposit","title":"PCM Service Booking Deposit","description":"\u003cp\u003eBooking deposit for a supported PCM service appointment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReserves your appointment\u003c\/li\u003e\n\u003cli\u003eApplies toward the final service balance\u003c\/li\u003e\n\u003cli\u003eCustomer must provide year, make, model, engine, and PCM details\u003c\/li\u003e\n\u003cli\u003eShipping or remove\/install labor may be additional depending on service type\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This is a deposit only. 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This service helps determine whether the vehicle is ready for calibration or needs mechanical, sensor, fuel, ignition, or wiring repair first.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInitial fault-code and symptom review\u003c\/li\u003e\n\u003cli\u003ePre-tune red-flag inspection\u003c\/li\u003e\n\u003cli\u003eFuel, ignition, sensor, and wiring concern review\u003c\/li\u003e\n\u003cli\u003eRecommendation before any tune work begins\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This diagnostic deposit does not include repairs, parts, or a completed tune.\u003c\/p\u003e","brand":"Down Dirty 84 LLC","offers":[{"title":"Diagnostic Deposit","offer_id":45386669883439,"sku":"DD84-NOTUNE-DIAG-DEPOSIT","price":75.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/dd84-remote-tune-readiness-review_505c81dd-be40-4d46-be41-deef1300ad7b.jpg?v=1779726203"},{"product_id":"holley-efi-fuse-blowing-power-loss-diagnostic","title":"Holley EFI Fuse-Blowing \u0026 Power Loss Diagnostic","description":"\u003cp\u003eFocused Holley EFI diagnostic service for fuse-blowing, power loss, relay, fuse panel, power feed, and ground issues.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEFI power and ground review\u003c\/li\u003e\n\u003cli\u003eFuse, relay, and circuit fault tracing\u003c\/li\u003e\n\u003cli\u003eSensor power and ECU power supply review\u003c\/li\u003e\n\u003cli\u003eRepair direction after inspection\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Diagnostic service does not include parts, rewiring, harness repair, relays, terminals, or travel unless quoted separately.\u003c\/p\u003e","brand":"Down Dirty 84 LLC","offers":[{"title":"Basic Inspection","offer_id":45386669948975,"sku":"DD84-HOLLEY-POWER-BASIC","price":125.0,"currency_code":"USD","in_stock":true},{"title":"Advanced Circuit Trace","offer_id":45386669981743,"sku":"DD84-HOLLEY-POWER-ADV","price":250.0,"currency_code":"USD","in_stock":true},{"title":"Repair Estimate Deposit","offer_id":45386670014511,"sku":"DD84-HOLLEY-POWER-DEPOSIT","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/dd84-efi-tuning-pricing_02888c9b-e919-4f09-ae99-308cfbe75d8f.jpg?v=1779726124"},{"product_id":"dodge-pcm-removal-reinstall-labor","title":"Dodge PCM Removal \u0026 Reinstall Labor","description":"\u003cp\u003eLabor service for Dodge \/ Mopar PCM removal and reinstall when the customer brings the vehicle instead of a removed PCM.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePCM removal labor\u003c\/li\u003e\n\u003cli\u003ePCM reinstall labor\u003c\/li\u003e\n\u003cli\u003eAvailable as a separate labor item from PCM service\u003c\/li\u003e\n\u003cli\u003eMobile option may be available depending on location and schedule\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This listing covers labor only. 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It does not include a completed tune file, parts, repairs, or hands-on labor unless quoted separately.\u003c\/p\u003e","brand":"Down Dirty 84 LLC","offers":[{"title":"30-Minute Support Call","offer_id":45386671063087,"sku":"DD84-SHOP-SUPPORT-30","price":150.0,"currency_code":"USD","in_stock":true},{"title":"60-Minute Support Call","offer_id":45386671095855,"sku":"DD84-SHOP-SUPPORT-60","price":250.0,"currency_code":"USD","in_stock":true},{"title":"Build \/ Tune Strategy Review","offer_id":45386671128623,"sku":"DD84-SHOP-STRATEGY-REVIEW","price":350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/dd84-pricing-tiers_aecccf01-464c-4a3d-81db-5941e74f1923.jpg?v=1779725466"},{"product_id":"holley-efi-ls-na-startup-calibration","title":"Holley EFI LS NA Startup Calibration File","description":"\u003ch2\u003eCustom Holley EFI Startup File for Naturally Aspirated LS Builds\u003c\/h2\u003e\u003cp\u003eThis service provides an initial custom calibration for a mechanically complete naturally aspirated LS combination using Holley Terminator X, Terminator X Max, HP, or Dominator EFI.\u003c\/p\u003e\u003ch3\u003eIncluded\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine displacement and firing-order configuration\u003c\/li\u003e\n\u003cli\u003eInjector and fuel-system setup review\u003c\/li\u003e\n\u003cli\u003eInitial startup, idle, cranking-fuel, and base ignition settings\u003c\/li\u003e\n\u003cli\u003eOne startup datalog review and one corrective revision\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eThis is a startup calibration file, not a completed remote or street tune.\u003c\/strong\u003e Final drivability and wide-open-throttle calibration require the appropriate tuning package.\u003c\/p\u003e\u003ch3\u003eCustomer Requirements\u003c\/h3\u003e\u003cp\u003eProvide the current Holley Global File, engine specifications, injector data, fuel type, ignition system, MAP sensor, throttle-body information, transmission details, and all relevant modifications. Wiring, fuel pressure, sensor operation, and mechanical condition must be correct before calibration.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePurchase this service to begin intake and file review.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down Dirty 84 LLC","offers":[{"title":"Custom File Calibration","offer_id":45655974314031,"sku":"DD84-HOLLEY-NA-LS-START-275","price":275.0,"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"},{"product_id":"holley-efi-cammed-ls-startup-calibration","title":"Holley EFI Cammed LS Startup Calibration File","description":"\u003ch2\u003eCustom Holley EFI Startup File for Cammed and Modified LS Builds\u003c\/h2\u003e\u003cp\u003eThis service provides an initial custom calibration for a mechanically complete cammed or modified naturally aspirated LS combination using Holley Terminator X, Terminator X Max, HP, or Dominator EFI.\u003c\/p\u003e\u003ch3\u003eIncluded\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEngine, camshaft, injector, and fuel-system configuration review\u003c\/li\u003e\n\u003cli\u003eInitial cranking fuel, startup enrichment, idle airflow, and base ignition settings\u003c\/li\u003e\n\u003cli\u003eCam-specific idle strategy based on the supplied cam card and combination\u003c\/li\u003e\n\u003cli\u003eOne startup datalog review and one corrective revision\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eThis is a startup calibration file, not a completed remote or street tune.\u003c\/strong\u003e Final drivability, load, and wide-open-throttle calibration require the appropriate tuning package.\u003c\/p\u003e\u003ch3\u003eCustomer Requirements\u003c\/h3\u003e\u003cp\u003eProvide the current Holley Global File, complete engine specifications, cam card, injector data, fuel type, ignition system, MAP sensor, throttle body, transmission details, and all modifications. Wiring, fuel pressure, sensors, and mechanical condition must be verified before calibration.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePurchase this service to begin intake and file review.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down Dirty 84 LLC","offers":[{"title":"Custom File Calibration","offer_id":45655975886895,"sku":"DD84-HOLLEY-CAM-LS-START-399","price":399.0,"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"},{"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"},{"product_id":"dd84-holley-efi-boost-control-starter-package","title":"DD84 Holley EFI Custom Boost-Control Calibration","description":"\u003ch2\u003eCustom Holley EFI Boost-Control Calibration\u003c\/h2\u003e\u003cp\u003eSend DD84 your current Holley EFI Global File and complete power-adder setup. We will review the file and prepare a conservative customer-specific boost-control starting strategy 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 boost-control 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 Boost 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 boost-control configuration\u003c\/li\u003e\n\u003cli\u003eWastegate dome-pressure and control-channel starting structure\u003c\/li\u003e\n\u003cli\u003eBoost-by-gear or boost-by-speed framework where supported\u003c\/li\u003e\n\u003cli\u003eOverboost protection and fail-safe setup review\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, transmission, rear gear, and tire size\u003c\/li\u003e\n\u003cli\u003eEngine displacement, compression ratio, cylinder heads, camshaft specifications, and fuel type\u003c\/li\u003e\n\u003cli\u003eInjector data, base fuel pressure, fuel-pump configuration, and horsepower target\u003c\/li\u003e\n\u003cli\u003eTurbocharger or supercharger specifications\u003c\/li\u003e\n\u003cli\u003eWastegate size, spring pressure, dome-pressure sensor, control solenoids, and exact plumbing layout\u003c\/li\u003e\n\u003cli\u003eCO2 or compressor-air supply pressure when used\u003c\/li\u003e\n\u003cli\u003eMAP sensor range, target boost, boost-by-gear or speed goals, and requested safety limits\u003c\/li\u003e\n\u003cli\u003eCurrent problems and low-boost datalogs when available\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNot Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFinal engine fuel or ignition tuning under boost\u003c\/li\u003e\n\u003cli\u003eUnlimited revisions or ongoing datalog support\u003c\/li\u003e\n\u003cli\u003eMechanical diagnosis of wastegates, solenoids, plumbing, or fuel-system limitations\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSafety notice:\u003c\/strong\u003e This package does not establish final safe fuel or ignition values for a specific engine. Incorrect wastegate plumbing, solenoid configuration, targets, or fail-safe settings can cause uncontrolled boost and severe engine damage. Testing must begin at minimum mechanical boost and proceed in controlled increments while monitoring fuel pressure, air\/fuel ratio, and all engine-protection channels.\u003c\/p\u003e\u003cp\u003eDown Dirty 84 LLC is an independent calibration provider and is not affiliated with or endorsed by Holley Performance Products. 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":45655977787439,"sku":"DD84-HOLLEY-BOOST-START-001","price":199.0,"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"},{"product_id":"dd84-holley-efi-ls-calibration-tool-bundle","title":"DD84 Holley EFI Complete LS Custom Calibration Bundle","description":"\u003ch2\u003eComplete Holley EFI LS Calibration Bundle\u003c\/h2\u003e\u003cp\u003eSend DD84 your current Holley EFI Global File and complete vehicle setup. We will review the file and prepare one customer-specific startup calibration covering the applicable engine, idle, 4L80E transmission-control, and boost-control areas selected for your build.\u003c\/p\u003e\u003ch3\u003eHow It Works\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003ePurchase the complete calibration bundle.\u003c\/li\u003e\n\u003cli\u003eEmail your Holley Global File and complete setup 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 Complete 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. Complex or unusual combinations may require additional time.\u003c\/p\u003e\u003ch3\u003eBundle Coverage\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNaturally aspirated or cammed LS startup calibration\u003c\/li\u003e\n\u003cli\u003eCranking, warm-up, idle-airflow, and idle-speed setup\u003c\/li\u003e\n\u003cli\u003eBaseline fuel and ignition calibration\u003c\/li\u003e\n\u003cli\u003e4L80E transmission-control setup when applicable\u003c\/li\u003e\n\u003cli\u003eBoost-control starting strategy when applicable\u003c\/li\u003e\n\u003cli\u003eSensor, I\/O, protection, and datalog-channel review\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\u003eComplete engine, camshaft, injector, fuel-system, ignition, sensor, and wideband details\u003c\/li\u003e\n\u003cli\u003eTransmission build, converter stall, rear gear ratio, and loaded tire diameter\u003c\/li\u003e\n\u003cli\u003eTurbocharger or supercharger, wastegate, solenoid, plumbing, dome-pressure, and target-boost details when applicable\u003c\/li\u003e\n\u003cli\u003eCurrent I\/O assignments, fan controls, safety limits, current problems, requested changes, and datalogs when available\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNot Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDyno tuning or final wide-open-throttle validation\u003c\/li\u003e\n\u003cli\u003eUnlimited revisions or ongoing remote-tuning support\u003c\/li\u003e\n\u003cli\u003eMechanical diagnosis, wiring repair, or hardware installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBundle value:\u003c\/strong\u003e Purchased separately, the included calibration services total $576. This bundle combines them for $399 when multiple calibration areas are required for one Holley EFI file.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSafety notice:\u003c\/strong\u003e This is a customer-specific startup calibration, not a completed dyno tune. Verify fuel pressure, oil pressure, timing synchronization, wideband operation, sensor calibration, speed signals, I\/O assignments, boost plumbing, rev limits, and all safety settings before operating the vehicle under load.\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":"Complete Custom Calibration Bundle","offer_id":45655978573871,"sku":"DD84-HOLLEY-LS-BUNDLE-001","price":399.0,"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"},{"product_id":"holley-efi-tuning-services-remote-street","title":"Holley EFI Tuning Services | Remote \u0026 In-Person","description":"\u003ch2\u003eProfessional Holley EFI Tuning for Street and Performance Builds\u003c\/h2\u003e\u003cp\u003eChoose the package that matches your naturally aspirated, cammed, E85, flex-fuel, or boosted combination. DD84 provides custom Holley EFI calibration support focused on reliable startup, idle quality, drivability, fueling, ignition strategy, and safe system operation.\u003c\/p\u003e\u003ch3\u003eService Packages\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStartup Calibration File Only:\u003c\/strong\u003e Initial ECU configuration to start and idle a mechanically complete vehicle. This is not a finished street tune.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote NA Base Tune:\u003c\/strong\u003e Remote calibration for stock or lightly modified naturally aspirated combinations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Cammed\/Modified NA Tune:\u003c\/strong\u003e For camshaft, injector, intake, exhaust, and other airflow modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote E85\/Flex-Fuel NA Tune:\u003c\/strong\u003e Includes ethanol-content and fuel-strategy configuration for compatible systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn-Person NA Street Tune:\u003c\/strong\u003e Street drivability calibration performed in person by appointment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn-Person Boosted Street Tune:\u003c\/strong\u003e For turbocharged or supercharged street combinations after fuel-system and mechanical verification.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBefore Tuning\u003c\/h3\u003e\u003cp\u003eThe vehicle must have correct wiring, stable fuel pressure, verified sensors, no mechanical faults, and a safe operating condition. Additional troubleshooting, wiring repair, travel, dyno time, advanced boost control, nitrous strategy, or transmission work may require a separate quote.\u003c\/p\u003e\u003ch3\u003eWhat Happens After Checkout\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003eYou receive vehicle and combination intake instructions.\u003c\/li\u003e\n\u003cli\u003eYour ECU, engine, fuel system, and hardware are reviewed.\u003c\/li\u003e\n\u003cli\u003eFiles, datalogs, or appointment details are exchanged based on the selected package.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e\u003cstrong\u003eChoose your service package and checkout to reserve your calibration.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Down Dirty 84 LLC","offers":[{"title":"Startup Calibration File Only","offer_id":45763115450415,"sku":"DD84-HOLLEY-STARTUP","price":275.0,"currency_code":"USD","in_stock":true},{"title":"Remote NA Base Tune","offer_id":45763115483183,"sku":"DD84-HOLLEY-REMOTE-NA","price":349.0,"currency_code":"USD","in_stock":true},{"title":"Remote Cammed\/Modified NA Tune","offer_id":45763115515951,"sku":"DD84-HOLLEY-REMOTE-CAM","price":399.0,"currency_code":"USD","in_stock":true},{"title":"Remote E85\/Flex-Fuel NA Tune","offer_id":45763115548719,"sku":"DD84-HOLLEY-REMOTE-E85","price":499.0,"currency_code":"USD","in_stock":true},{"title":"In-Person NA Street Tune","offer_id":45763115581487,"sku":"DD84-HOLLEY-STREET-NA","price":550.0,"currency_code":"USD","in_stock":true},{"title":"In-Person Boosted Street Tune","offer_id":45763115614255,"sku":"DD84-HOLLEY-STREET-BOOST","price":599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2005\/3295\/files\/dd84-efi-tuning-pricing_02888c9b-e919-4f09-ae99-308cfbe75d8f.jpg?v=1779726124"}],"url":"https:\/\/shop.downdirty84llc.com\/collections\/automotive-tuning-calibration-services.oembed","provider":"Down Dirty 84 LLC","version":"1.0","type":"link"}