1.0L 12v - Ecoboost 3-cyl

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1.0L 12v - Ecoboost 3-cyl

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Trimetal connecting rod bearings ACL Ford 1.0 EcoBoost 3-cylinder

New product

Set of 6 trimetal connecting rod half-bearings for the Ford 1.0 EcoBoost three-cylinder.

  • Brand and treatment: ACL Race
  • Compatibility: Ford Fiesta, Focus, B-MAX, C-MAX, EcoSport, Mondeo, Puma
  • Engine codes: 1.0 EcoBoost, all codes in the compatibility table
  • Available sizes: standard to +0.25 mm, increased-clearance version (HX)

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71,44 € tax incl.

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  • The Ford 1.0 EcoBoost three-cylinder engine

    The 1.0 EcoBoost is Ford's turbocharged inline three-cylinder of about 1,000 cc, with direct injection, twin overhead camshafts and 12 valves. It powers the Fiesta, Focus, B-MAX, C-MAX, EcoSport, Mondeo and Puma, as well as the Tourneo and Transit Connect, Courier and Custom, hybrid versions included. All its versions share the same crankpin diameter: a single bearing set covers the whole family.

    From the factory, this engine is fitted with standard production connecting rod bearings, sized for the loads of the original engine: as soon as power, engine speed or boost pressure increase, they reach their limits.

    Trimetal connecting rod bearings

    A trimetal bearing stacks three layers: a steel back, a copper-lead intermediate layer with high load capacity and an anti-friction running surface that protects the journal. The complete set contains 6 half shells, three pairs for a three-cylinder engine.

    The original bearing relies on an aluminium alloy over a steel back, intended for low to medium loads, whereas trimetal is designed for high, sustained loads: an aluminium bi-metal takes around 8,000 psi, a performance trimetal up to 12,000 psi, 50% more. Hence better resistance and better durability on turbocharged, supercharged and high-revving engines.

    Technical specifications

    Fitment dimensions common to all references
    ACL bearings
    Crankpin Ø 40 mm
    Housing bore Ø 43 mm
    Width 15.6 mm
    Tangless
    ReferenceBrand and treatmentSizeWall thickness (mm)
    3B7328H-STDACL Race - UntreatedStandard1.498
    3B7328HX-STDACL Race - UntreatedStd, increased clearance (HX)1.485
    3B7328H-.025ACL Race - Untreated+0.0251.511
    3B7328H-.25ACL Race - Untreated+0.251.623

    Running clearance

    The running clearance is the gap between the bearing and the journal where the oil film flows.

    In operation, the crankshaft journal does not rub against the bearing: it rides on this oil film, which carries the load. Clearance sets the thickness of this film: too tight, oil flows poorly, temperature rises and the risk of seizure increases; too loose, oil escapes, the film loses load-carrying capacity and oil pressure drops. The right clearance is the balance between adequate lubrication and a well-maintained oil film.

    Size / gradeWhen to choose itACL Race Series
    Standard (STD)Standard journal, not reground0.045 to 0.053 mm
    Increased clearance (HX)Wider clearance: high oil flow, high rpm0.070 to 0.078 mm
    +0.025 mmPolished journal0.045 to 0.053 mm
    +0.25 mmJournal reground to 0.25 mm0.045 to 0.053 mm

    Checking on assembly: lay a calibrated strip (Plastigauge) on the journal, torque the rod cap to spec, then compare the crushed strip against the gauge to read the clearance.

    Plastigauge

    Order the Plastigauge →

    Technical guide

    The ACL rod bearings shown here are trimetal bearings, designed for engine building and racing. Compared with an original bearing, they handle far higher loads: they cope with increased power, high rpm or the addition of a turbo or supercharger, where a standard bearing quickly reaches its limit.

    The brand

    ACL Bearing CompanyACL Bearing Company, an Australian manufacturer of high-performance engine bearings since 1949, offers with its Race Series precise trimetal bearings, available in many sizes and proven on built engines worldwide.

    Vehicle compatibility

    This connecting rod bearing set fits the 1.0 EcoBoost three-cylinder of the following Ford models:

    BrandModel (chassis)Engine codePowerYears
    FORDB-MAX (JK) 1.0 EcoBoostM1JA, M1JE, M1JH, SFJA, SFJB, SFJC, SFJD, YYJC100–140 hp2012–2017
    FORDB-MAX Van (JK) 1.0 EcoBoostM1JA, M1JE, M1JH, SFJA, SFJB, SFJC, SFJD100–125 hp2012–2017
    FORDC-MAX II (DXA/CB7, DXA/CEU) 1.0 EcoBoostB3DA, B7DA, M1DA, M1DD, M2DA, M2DC100–125 hp2012–2019
    FORDC-MAX II Van 1.0 EcoBoostB7DA, M1DA, M1DD, M2DA, M2DC100–125 hp2012–2019
    FORDECOSPORT 1.0 EcoBoostM1JC, M1JJ, M1JU, SFJL, YYJD, YYJF95–140 hp2013–2022
    FORDFIESTA Saloon 1.0 EcoBoostM1JE, M1JH125 hp2013–2017
    FORDFIESTA VI (CB1, CCN) 1.0 EcoBoost / 1.0 SportM1JE, M1JH, SFJA, SFJB, SFJC, SFJD, YYJA, YYJB100–140 hp2012–2017
    FORDFIESTA VI Van 1.0 EcoBoostM1JE, M1JH, SFJA, SFJB, SFJC, SFJD, YYJA, YYJB100–140 hp2012–2017
    FORDFIESTA VII (HJ, HF) 1.0 EcoBoost / 1.0 EcoBoost mHEV / 1.0 EcoBoost mHEV Active / 1.0 EcoBoost Active / 1.0 EcoBoost FlexB7JA, B7JB, B7JC, BZJA, M0JA, M0JB, M0JD, M1JL, M1JM, M1JP, Q0JA, Q0JB, Q0JC, Q0JD, SFJE, SFJF, SFJH, SFJJ, SFJK, SFJN, SFJP, Y7JA, YYJE, YYJG85–155 hp2017–
    FORDFIESTA VII Van 1.0 EcoBoost / 1.0 EcoBoost mHEV / 1.0 EcoBoost FlexB7JA, B7JB, B7JC, M0JA, M1JL, M1JM, M1JP, SFJE, SFJF, SFJH, SFJJ, SFJK, SFJN, SFJP, YYJE95–140 hp2018–
    FORDFOCUS III 1.0 EcoBoostM1DA, M1DC, M1DD, M1DH, M2DA, M2DB, M2DC, SFDA, SFDB100–140 hp2012–2020
    FORDFOCUS III Saloon 1.0 EcoBoostM1DA, M1DC, M1DD, M1DH, M2DA, M2DB, M2DC, SFDA, SFDB100–140 hp2012–2020
    FORDFOCUS III Hatchback Van 1.0 EcoBoostM1DA, M1DC, M1DD, M2DA, M2DB, M2DC, SFDA, SFDB100–125 hp2012–2017
    FORDFOCUS III Estate Van 1.0 EcoBoostM1DA, M1DC, M1DD, M2DA, M2DB, M2DC, SFDA, SFDB100–125 hp2012–2020
    FORDFOCUS III Turnier 1.0 EcoBoostM1DA, M1DC, M1DD, M1DH, M2DA, M2DB, M2DC, SFDA, SFDB100–140 hp2012–2020
    FORDFOCUS IV (HN) 1.0 EcoBoost / 1.0 EcoBoost mHEV / 1.0 EcoBoost mHEV Active / 1.0 EcoBoost mHEV FlexB3DA, B7DA, B7DC, M0DC, R0DA, R0DB, SFDC85–155 hp2018–2025
    FORDFOCUS IV Saloon (HM) 1.0 EcoBoostB3DA, B7DA101–125 hp2018–2025
    FORDFOCUS IV Turnier (HP) 1.0 EcoBoost / 1.0 EcoBoost mHEV / 1.0 EcoBoost mHEV FlexB3DA, B7DA, B7DC, M0DC, R0DB, SFDC85–155 hp2018–2025
    FORDGRAND C-MAX (DXA/CB7, DXA/CEU) 1.0 EcoBoostB3DA, B7DA, M1DA, M1DD, M2DA, M2DC100–125 hp2012–2019
    FORDGRAND C-MAX Van 1.0 EcoBoostB7DA, M1DA, M1DD, M2DA, M2DC100–125 hp2012–2019
    FORDMONDEO V Hatchback (CE) 1.0 EcoBoostM1CA, M1CB125 hp2015–2022
    FORDMONDEO V Saloon (CD) 1.0 EcoBoostM1CA, M1CB125 hp2015–2022
    FORDMONDEO V Turnier (CF) 1.0 EcoBoostM1CA, M1CB125 hp2015–2022
    FORDPUMA (J2K, CF7) 1.0 EcoBoost / 1.0 EcoBoost mHEV / 1.0 ST EcoBoost mHEVB7JA, B7JB, B7JE, BZJA, M0JA, Q0JA95–170 hp2019–
    FORDTOURNEO CONNECT / GRAND TOURNEO CONNECT V408 MPV 1.0 EcoBoostB3GA, M2GA, M2GB100 hp2013–2022
    FORDTOURNEO COURIER B460 MPV 1.0 EcoBoostSFCA, SFCB, SFCC, SFCD, SFCE, SFCF100 hp2014–2023
    FORDTOURNEO COURIER V769 MPV (N1P) 1.0 EcoBoostB7JA, B7JB, B7NB125 hp2023–
    FORDTOURNEO CUSTOM V362 Bus (F3) 1.0 EcoBoost PHEVM1FA125 hp2020–2023
    FORDTRANSIT CONNECT V408 Box Body/MPV 1.0 EcoBoostB3GA, M2GA, M2GB100 hp2013–
    FORDTRANSIT COURIER B460 Box Body/MPV 1.0 EcoBoostSFCA, SFCB, SFCC, SFCD, SFCE, SFCF100 hp2014–2023
    FORDTRANSIT COURIER B460 MPV 1.0 EcoBoostSFCA, SFCB, SFCC, SFCD, SFCE, SFCF100 hp2014–2023
    FORDTRANSIT COURIER V769 Box Body/MPV (N3P) 1.0 EcoBoostB3DA, B3NB, B7JA, B7JB, B7NB101–125 hp2023–
    FORDTRANSIT CUSTOM V362 Bus (F3) 1.0 EcoBoost PHEVM1FA125 hp2020–2023
    FORDTRANSIT CUSTOM V362 Van (FY, FZ) 1.0 EcoBoost PHEVM1FA125 hp2020–2023