Honda Injector Guide Peak and Hold: Peak/hold injectors are low impedence, usua

Honda Injector Guide Peak and Hold: Peak/hold injectors are low impedence, usually in the 1-4 ohm range. When the ecu calls for fuel to be injected, it sends out voltage via the wire clips until a certain current level is reached (the peak part) (varies by injector size, company). For the duration of 1 pulse width, that current is slightly reduced and held (the hold part). Advantages of this design:  minimizes the injectors "on" time, resulting in faster response Disadvantages of this design:  increases coil heat, which can lead to failure over time <hr> Saturated: Saturated injectors are generally higher impedence than peak and hold, running in about the 10-15 ohms range. Unlike peak/hold, a saturated injector remains "on" for the entire pulse width. Advantages of this design:  reduces heat Disadvantages of this design:  slower response time  can't handel large CC or lb/hr styles due to limitations in its speed. VEHICLE Injector Types Flow Rate 1988-91 Civic si/crx si Peak and hold 240cc 1992-95 Civic si/ex Saturated 240cc 1996-00 Civic Saturated 240cc 1990-91 Integra Peak and hold 240cc 1992-00 Integra ls/gsr/type R Saturated 240cc 1992-96 Prelude non-vtec Peak and hold 240cc 1992-96 Prelude VTEC Peak and hold 345cc 1997-up Prelude VTEC Saturated 280cc 1991-up Sentra se-r/200sx se-r Saturated 265cc 1991-up MR2 Turbo Peak and hold 440cc 1988-91 Supra Turbo Peak and hold 550cc 1993-up Supra non -Turbo Saturated 315cc 1993-up Supra Twin Turbo Peak and hold 550cc 2000-up Celica GT-S Saturated 310cc 1990-up Miata 1.6 liter Saturated 215cc 1993-up Miata 1.8 liter Saturated 240cc 1993-up RX-7 Twin Turbo Saturated 550cc/850cc 1990-96 300zx Twin Turbo Saturated 370cc 1991-up 3000GT VR-4 Peak and hold 350cc 1989-up Eclipse Turbo Peak and hold 450cc uploads/s3/ peak-and-hold-honda-injector-guide 1 .pdf

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Administrationsaturated turbo injector design: injectors
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