{"product_id":"mercury-marine-454-502-magnum-mpi-whipple-ecm-calibration-upgrade","title":"Mercury Marine 454\/502 Magnum MPI Whipple ECM Calibration Upgrade","description":"\u003cp\u003eThe Whipple Mercury Marine 454\/502 Magnum MPI ECM Calibration Upgrade is designed for compatible Mercury Marine 454 Mag MPI and 502 Mag MPI engine packages using supported MEFI-1 or MEFI-3 engine control modules. This calibration service is intended for customers who want improved performance from a properly running stock engine without replacing the entire engine package.\u003c\/p\u003e\n\u003cp\u003eWhipple engineers developed this calibration to optimize the engine's available power by increasing the RPM limit, increasing spark advance, and modifying the fuel curve for use with 91 octane or better fuel. The recalibration is listed to add up to 25 HP over stock while maintaining stock reliability when used on the proper application with the correct fuel and setup.\u003c\/p\u003e\n\u003cp\u003eThe calibration also raises the RPM limit from the stock 5100 RPM to 5400 RPM, giving customers more prop selection flexibility. Whipple also supports many custom calibrations for built or highly modified engines when the complete engine combination and calibration requirements are confirmed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eCalibration Features\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eECM calibration upgrade for compatible Mercury Marine 454\/502 Magnum MPI applications\u003c\/li\u003e\n  \u003cli\u003eDesigned for supported MEFI-1 and MEFI-3 engine control modules\u003c\/li\u003e\n  \u003cli\u003eOptimized spark curve for 91 octane or better fuel\u003c\/li\u003e\n  \u003cli\u003eModified fuel curve for improved performance\u003c\/li\u003e\n  \u003cli\u003eListed gain of up to 25 HP over stock\u003c\/li\u003e\n  \u003cli\u003e5400 RPM limit compared to the stock 5100 RPM limit\u003c\/li\u003e\n  \u003cli\u003eMay help improve throttle response and reduce transom soot when the engine and fuel system are operating properly\u003c\/li\u003e\n  \u003cli\u003eCustom calibration support may be available for modified engine combinations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eGM Part Number \/ MEFI Type Reference\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n  \u003cdiv\u003e\n    \u003cstrong\u003eGM Part #:\u003c\/strong\u003e 16159919\u003cbr\u003e\n    \u003cstrong\u003eMEFI Type:\u003c\/strong\u003e MEFI-1\n  \u003c\/div\u003e\n  \u003cdiv\u003e\n    \u003cstrong\u003eGM Part #:\u003c\/strong\u003e 16189069\u003cbr\u003e\n    \u003cstrong\u003eMEFI Type:\u003c\/strong\u003e MEFI-1\n  \u003c\/div\u003e\n  \u003cdiv\u003e\n    \u003cstrong\u003eGM Part #:\u003c\/strong\u003e 16220371\u003cbr\u003e\n    \u003cstrong\u003eMEFI Type:\u003c\/strong\u003e MEFI-1\n  \u003c\/div\u003e\n  \u003cdiv\u003e\n    \u003cstrong\u003eGM Part #:\u003c\/strong\u003e 16234539\u003cbr\u003e\n    \u003cstrong\u003eMEFI Type:\u003c\/strong\u003e MEFI-1\n  \u003c\/div\u003e\n  \u003cdiv\u003e\n    \u003cstrong\u003eGM Part #:\u003c\/strong\u003e 16237009\u003cbr\u003e\n    \u003cstrong\u003eMEFI Type:\u003c\/strong\u003e MEFI-3\n  \u003c\/div\u003e\n  \u003cdiv\u003e\n    \u003cstrong\u003eGM Part #:\u003c\/strong\u003e 16236999\u003cbr\u003e\n    \u003cstrong\u003eMEFI Type:\u003c\/strong\u003e MEFI-3\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eEngine Control Module Identification\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n  \u003cdiv\u003e\n    \u003cstrong\u003eModel:\u003c\/strong\u003e MCM 454 Mag MPI\u003cbr\u003e\n    \u003cstrong\u003eSerial Number:\u003c\/strong\u003e 0L010029-0L085399\u003cbr\u003e\n    \u003cstrong\u003eECM Type:\u003c\/strong\u003e MEFI-1\n  \u003c\/div\u003e\n  \u003cdiv\u003e\n    \u003cstrong\u003eModel:\u003c\/strong\u003e MCM 454 Mag MPI\u003cbr\u003e\n    \u003cstrong\u003eSerial Number:\u003c\/strong\u003e 0L085400 and Above\u003cbr\u003e\n    \u003cstrong\u003eECM Type:\u003c\/strong\u003e MEFI-3\n  \u003c\/div\u003e\n  \u003cdiv\u003e\n    \u003cstrong\u003eModel:\u003c\/strong\u003e MIE 454 Mag MPI Horizon\u003cbr\u003e\n    \u003cstrong\u003eSerial Number:\u003c\/strong\u003e 0L002200-0L086049\u003cbr\u003e\n    \u003cstrong\u003eECM Type:\u003c\/strong\u003e MEFI-1\n  \u003c\/div\u003e\n  \u003cdiv\u003e\n    \u003cstrong\u003eModel:\u003c\/strong\u003e MIE 454 Mag MPI Horizon\u003cbr\u003e\n    \u003cstrong\u003eSerial Number:\u003c\/strong\u003e 0L086050 and Above\u003cbr\u003e\n    \u003cstrong\u003eECM Type:\u003c\/strong\u003e MEFI-3\n  \u003c\/div\u003e\n  \u003cdiv\u003e\n    \u003cstrong\u003eModel:\u003c\/strong\u003e MCM 502 Mag MPI\u003cbr\u003e\n    \u003cstrong\u003eSerial Number:\u003c\/strong\u003e 0L017000-0L085432\u003cbr\u003e\n    \u003cstrong\u003eECM Type:\u003c\/strong\u003e MEFI-1\n  \u003c\/div\u003e\n  \u003cdiv\u003e\n    \u003cstrong\u003eModel:\u003c\/strong\u003e MCM 502 Mag MPI\u003cbr\u003e\n    \u003cstrong\u003eSerial Number:\u003c\/strong\u003e 0L085433 and Above\u003cbr\u003e\n    \u003cstrong\u003eECM Type:\u003c\/strong\u003e MEFI-3\n  \u003c\/div\u003e\n  \u003cdiv\u003e\n    \u003cstrong\u003eModel:\u003c\/strong\u003e MIE 8.2L MPI\u003cbr\u003e\n    \u003cstrong\u003eSerial Number:\u003c\/strong\u003e 0L002450-0L086012\u003cbr\u003e\n    \u003cstrong\u003eECM Type:\u003c\/strong\u003e MEFI-1\n  \u003c\/div\u003e\n  \u003cdiv\u003e\n    \u003cstrong\u003eModel:\u003c\/strong\u003e MIE 8.2L MPI\u003cbr\u003e\n    \u003cstrong\u003eSerial Number:\u003c\/strong\u003e 0L086013 and Above\u003cbr\u003e\n    \u003cstrong\u003eECM Type:\u003c\/strong\u003e MEFI-3\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cu\u003eCalibration Service Process\u003c\/u\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ECM must be removed and sent to Whipple Superchargers for calibration service. Include a copy of the receipt and any relevant engine, boat, fuel, serial number, ECM, and setup details with the ECM. Typical turnaround time is 7-10 days.\u003c\/p\u003e\n\u003cp\u003eNew ECM units may be available upon request. Custom calibrations may also be available for built or highly modified engines when the complete engine combination and calibration requirements are provided.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication note:\u003c\/strong\u003e Verify engine model, serial number, ECM type, fuel octane, current calibration, engine modifications, and complete setup requirements before ordering. This is a calibration service and does not diagnose or repair mechanical, fuel system, ignition, sensor, or general running issues.\u003c\/p\u003e","brand":"Whipple Superchargers","offers":[{"title":"Default Title","offer_id":56180571177282,"sku":"CAL-MEFI-454502-MPI","price":695.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/6002\/9506\/files\/F198648078.jpg?v=1789511631","url":"https:\/\/whipplesuperchargers.com\/products\/mercury-marine-454-502-magnum-mpi-whipple-ecm-calibration-upgrade","provider":"whipplesuperchargers","version":"1.0","type":"link"}