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Thread: 3vzfe cam & Engine Specs & Questions

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    Icon5 3vzfe cam & Engine Specs & Questions

    Sorry if this is redundant post, but I have been searching for a few hours and I haven't found this information yet. I am specifically trying to find the Lobe Center angle and degreed centerline for both the intake and exhaust.

    This is the information I have collected already. Hopefully its all right. If you have any other data that you want to contribute I would appreciate it. I am putting together a database of all the suspension and 3vzfe engine data for a 91 MR2.

    Engine Data
    Displacement: 3.0L
    Firing Order: 1-2-3-4-5-6
    # of cams: 4
    Bore: 87.5 mm
    Stroke: 82 mm
    Comp. Ratio 9.6:1
    Rod Length Ratio: 1.8:1
    Rod Length: 147.6 mm
    Peak HP RPM: 5200 rpm
    Crank Pins: 55 mm
    Main Journals: 64 mm

    Cam Data
    Overlap: 12 Degrees
    Valve Spring Length: 41.4 mm
    Valve Spring Tension: 41.9 - 46.3 lb/ft
    Valve Spring Tension (Nose): 95 lb/ft
    Valve Spring Rate: 154.7 lb/ft

    Intake Cam Data:
    # Valves 2/cyl
    Duration: 230 Degrees
    Valve Head Dia. : 34 mm
    Valve Stem Dia.: 6 mm
    Lift: 7.85 mm
    Degree Centerline: ???
    Lobe Center Angle: ???
    Lobe Height: 42.1 mm

    Exhaust Cam Data:
    Duration: 230 Degrees
    # Valves 2/cyl
    Valve Head Dia. : 34 mm
    Valve Stem Dia.: 6 mm
    Lift: 7.6 mm
    Degree Centerline: ????
    Lobe Center Angle: ????
    Lobe Height: 41.01 mm

    Thanks!
    Last edited by goddom; 16-01-2012 at 03:26. Reason: Correct spelling error

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