{"product_id":"p28-hondata-s300-ecu","title":"P28 + Hondata S300 ECU","description":"\u003ch2\u003e\u003cspan\u003eStop Trusting Your Build to a 30-Year-Old ECU\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYou have invested serious time and money into your Honda or Acura build.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe last thing you want controlling your engine is an old ECU that has already survived decades of heat cycles, vibration, moisture, corrosion, and unknown repairs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThat is exactly why the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHondata S300 Pro ECU Package\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e was created.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInstead of starting with a worn-out factory circuit board and hoping it survives, this package begins with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enew-production OBD1 P28-spec ECU circuit board\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThrough a collaboration with The ECU Guy and Herse-Tuning, this stunning purple circuit board was developed to reproduce the functionality and factory pinout of an original Honda OBD1 P28 ECU.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe result is a clean, modern, full-featured engine-management solution built for naturally aspirated, turbocharged, distributor, and coil-on-plug Honda and Acura applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eA New Foundation for Your Honda Build\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is not simply an old, refurbished ECU with an S300 installed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe new-production circuit board is assembled using approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e80% brand-new electronic components\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eNew resistors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew electrolytic capacitors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew ceramic capacitors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew integrated circuits\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew supporting electronic components\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEvery component that is still available new is sourced and installed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eComponents that are no longer manufactured, including the original Honda main processor and other application-specific components, are sourced from OEM Honda ECU inventory and professionally transferred to the new circuit board.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis gives you the benefit of new-production electronics while retaining the original Honda components required for proper operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eBrand-New Hondata S300V3 Installed\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEach ECU includes a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebrand-new Hondata S300V3 tuning system fully installed and tested\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Hondata S300V3 gives your tuner access to the critical calibration tables and features needed to properly tune your engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhether your build is a basic naturally aspirated street car, a high-compression all-motor setup, or a high-horsepower turbo application, the S300V3 provides the control needed to properly calibrate the engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eThis is a complete ECU with the Hondata S300V3 fully installed.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYou are not purchasing an empty ECU or an installation service. The Hondata S300V3 hardware is included, installed, and tested before the ECU is shipped.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePWM Boost Control and Boost by Gear\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe PWM boost-control circuitry is already installed, allowing the ECU to operate a compatible electronic boost-control solenoid.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis allows your tuner to configure features such as:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eElectronic boost control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBoost by gear\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdjustable boost targets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproved traction management\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMore consistent boost pressure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eReduced wheelspin in lower gears\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eInstead of applying maximum boost in every gear, boost pressure can be managed based on the vehicle’s gearing and available traction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is especially useful for high-horsepower front-wheel-drive Honda and Acura applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePrepped for Coil-on-Plug\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCoil-on-plug headers are preinstalled, making the ECU ready for a compatible coil-on-plug conversion without requiring additional internal ECU modifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYou are not required to use coil-on-plug.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis ECU can still be used with:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eA factory Honda distributor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eA compatible coil-on-plug conversion kit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eA Hondata CPR ignition system\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWhether you are installing coil-on-plug immediately or planning to upgrade later, the ECU is already prepared.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eFactory OBD1 P28 Pinout\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis ECU uses the standard \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eOBD1 P28 ECU pinout\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIf your vehicle or engine-swap harness is already correctly wired for a P28-spec ECU, no ECU pinout changes should be required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eConnect the ECU, load the correct calibration for your engine combination, verify the vehicle’s wiring and mechanical setup, and complete the required tuning process.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePremium Powder-Coated ECU Case\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePerformance matters, but the finished appearance matters too.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eEach ECU is installed in a professionally finished enclosure featuring:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003ePowder-coated ECU casing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClear upper and lower covers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew stainless-steel screws\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVisible purple circuit board\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClean, professional presentation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis is an ECU you will be proud to install and display in your build.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Is Included?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eNew-production OBD1 P28-spec ECU circuit board\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApproximately 80% brand-new electronic components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBrand-new Hondata S300V3 tuning system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessional Hondata S300V3 installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePWM electronic boost-control circuitry\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBoost-by-gear capability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePreinstalled coil-on-plug headers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePowder-coated ECU casing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eClear upper and lower ECU covers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNew stainless-steel hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eComplete ECU assembly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eECU testing before shipment\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eWhat Do I Need to Use This ECU?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYou will need:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eA Windows-compatible laptop\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAt least one available USB port\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAn internet connection for Hondata registration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHondata SManager software\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eA properly wired OBD1-compatible vehicle or conversion harness\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eA basemap or professional calibration for your exact engine setup\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eComputer and operating-system compatibility may depend on the current version of Hondata SManager. Confirm that your computer meets Hondata’s current software requirements before purchasing.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eImportant Wiring Harness and Support Policy\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis ECU must be installed with a properly manufactured, correctly pinned, and fully functional engine or conversion harness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eKugan Tuning will not provide setup assistance, wiring diagnostics, no-start diagnostics, troubleshooting, or technical support for vehicles using Carrot Top Racing, Jackspania, or similar harnesses.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePurchasing this ECU does not include diagnosing or repairing problems caused by:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eEngine wiring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConversion-harness wiring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect pin locations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLoose or damaged terminals\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePoor grounds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDamaged sensors\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncorrect sensor wiring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIgnition-system wiring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInjector wiring\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVehicle-side electrical problems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eImproper installation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eCustomers using one of the listed harnesses, or a similar harness, will be responsible for diagnosing and correcting all wiring and installation issues before ECU or tuning support can continue.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eWe strongly recommend using a proven, professionally manufactured harness from a reputable supplier.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eWho Is This ECU For?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis ECU package is ideal for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eHonda and Acura engine swaps\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eNaturally aspirated performance builds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTurbocharged street cars\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDedicated race cars\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh-horsepower front-wheel-drive builds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBoost-by-gear applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCoil-on-plug conversions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCustomers replacing an aging factory OBD1 ECU\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuilders who want a clean, professional, ready-to-tune ECU solution\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eImportant Tuning Information\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThis ECU does not arrive with a universal tune that is safe for every engine combination.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYour calibration must match your exact setup, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eEngine displacement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInjector size\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFuel type\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMAP sensor\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIntake manifold\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eThrottle body\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCamshafts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompression ratio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTurbocharger or supercharger\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBoost pressure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIgnition system\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdditional engine modifications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDo not operate the engine under load or boost until the ECU has been properly configured and the calibration has been verified for your combination.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA basemap is only intended to provide a starting point. It is not a replacement for professional tuning.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eYour Engine Deserves Better Than an Unknown Used ECU\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA used factory ECU may look fine from the outside, but you cannot always see leaking capacitors, damaged circuit-board traces, corrosion, heat damage, previous repairs, or failing internal components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eYour ECU controls critical engine functions, including:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eFuel delivery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIgnition timing\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eVTEC operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRev limits\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBoost control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eEngine protection strategies\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eReliability is not the place to cut corners.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eHondata S300 Pro ECU Package\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e gives your Honda or Acura build a new-production foundation, advanced tuning capability, boost-control support, coil-on-plug preparation, and a premium finished appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eBuild it once.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTune it correctly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDrive it with confidence.\u003c\/span\u003e\u003c\/p\u003e","brand":"HA Motorsports","offers":[{"title":"Default Title","offer_id":51605280915689,"sku":null,"price":1294.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/1896\/5225\/files\/S300-Pro-1.webp?v=1785514385","url":"https:\/\/kugantuning.com\/products\/p28-hondata-s300-ecu","provider":"Kugan Tuning","version":"1.0","type":"link"}