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PG1 gearbox Y4AO Y gearset

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  • PG1 gearbox Y4AO Y gearset

    Y4AO gearbox was fitted to some later diesel vans, the Y gearset doesn't get any mentions in the various ratio charts on the internet so here are the ratios: first, 3:1 second. 1.895:1. third 1.222:1. fourth. 0.935:1. fifth. 0.714:1. calculated from the tooth count given in microfiche
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