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anyone help with calculate of turbine wheel diameter?

Discussion in 'Turbo Tech Questions' started by my8950, Mar 3, 2008.

  1. my8950

    Joined:
    Jan 30, 2003
    I'm trying to figure the diameter of the turbine wheel, simply based on trim and A/R....This is for a Sprinter diesel, its a garrett, but there are numerous varieties of this same turbo on the net to find....
     
    my8950, Mar 3, 2008
    #1

  2. 65ShelbyClone

    Joined:
    Mar 25, 2004
    Trim is a calculated ratio between the exducer and inducer sizes, not a measurement. You can't just figure out the dimensions based on the trim unless it's a Garrett T3 or T4-based turbo which is well documented. The A/R also tells nothing about the wheel dims unless some A/R housing was only available for a certain wheel type.

    Pull the housing off and measure it.
     
    65ShelbyClone, Mar 6, 2008
    #2
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