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Thread: JDM B20A & B18C5 Pistons

  1. #1

    carotman's Avatar
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    JDM B20A & B18C5 Pistons

    I know that the B18C5 pistons have the same bore as our B20A..


    My questions is, will the B18C5 pistons fit in the B20A?

    http://pages.videotron.com/omus
    3geez member since July 12 2000

    I need these parts!
    https://www.3geez.com/forum/showthread.php?t=67742



  2. #2
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    they will fit but the compresion hiegt and wrist pin bore center to top height as well as the wrist pin diameter could all be very different.
    Want your A series to kick a B series engines ass?email me for detials or check out our site

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  3. #3
    LX User AccordSi's Avatar
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    Yeah Carot, they do fit with slight modification. They really work well too.
    1988HondaAccord | JDMB20A | JDM-CTRPistons | 11:1CompressionRatio | 7400MSDChip | 280/280CrowerCams | DualWeber45DCOE | Port&PolishedHead | OBXCamGears | OBXUnderdrivePulley | CustomOilCatch | CustomColdAir | K&NFilter | HolleyFuelPressureRegulator | CraneCamsXR700 | MSD6AL | MSDBlasterSSCoil(E-Core) | MSDSuperConductorPlugWires | ACTHeavyDutyClutch | ACT6PuckCopperDisc | JDMPreludeTypeSHeader | 63mmCustomFitExhaust | TanabeHyperMedallion | GroundControlCoilOvers | KoniAdjustableShocks | PreludeVtecBrakeUpgrade | SpecialtyProductsCamberKit | 15"MugenRnRWheels(10.5lbs) | 195/55BridgestoneGridIITires | AutometerDualGaugePod | AutometerAir/FuelGauge | VDOVacuumGauge | VDOFuelPressureGauge(inline)

  4. #4

    carotman's Avatar
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    That's great news AccordSi

    I assume that the pin must be bored to match the connecting rod???


    Can you tell me what needs to me modified?

    Thanks

    http://pages.videotron.com/omus
    3geez member since July 12 2000

    I need these parts!
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  5. #5
    SEi User toastyghost's Avatar
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    I thought you were supposed to use B18C5 pistons with H23A rods?
    ~<+045+ygH05+>~

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