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83mm

  1. J

    TR2/3/3A 83 to 87mm Piston Considerations

    When going from 83 to 87mm pistons, what modifications (if any) are required in parallel to ensure a good running engine? I would like to keep the intake manifold original and not chamfer or port the head, but am concerned this might be too restrictive for the increased capacity. I understand...
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