{
  "baseline_commit": "4a6ec2fd",
  "scope": "Factory exterior data,estimated cavities and detached supplier-size comparison only;not actual-car fit,correct pushrod length,loaded contact,cam placement or replacement path.",
  "source_groups": 10,
  "positive_valid_step_solids": 37,
  "eight_retained_meshes_and_brep_volumes": [
    "rocker_hollow_shaft_retained_axis_and_factory_diameter_comparison",
    "rocker_four_bored_pedestal_and_offset_stud_boss_comparisons",
    "rocker_four_unthreaded_support_studs_washers_and_nuts",
    "rocker_three_spacing_coil_spring_comparisons",
    "rocker_two_split_end_spacing_spring_washer_comparisons",
    "rocker_two_plain_spacing_washer_comparisons",
    "rocker_two_shaft_end_plug_comparisons",
    "rocker_rear_locating_screw_and_front_cotter_envelopes"
  ],
  "unchanged_engine_files_sha256": {
    "midget-1500-measured-core.json": "47059768d4dc759afc01c77e127b13a13c3727913f1564fa9d12c3bdaeaf5bd9",
    "midget-1500-measured-core.step": "8d3a2eef6419982a7444e60a1f0e72e1a487938bd89c833b3daaa39d62b4a7a9"
  },
  "legacy_pushrod_brep_plane_spans_mm": [
    130.68451817563377,
    130.68451817563377,
    130.68451817563377,
    130.68451817563377,
    130.68451817563377,
    130.68451817563377,
    130.68451817563377,
    130.68451817563377
  ],
  "supplier_comparison_overall_mm": 198.00000000000057,
  "datums_limit": "198mm overall and the legacy130.6845mm line span use different end datums. Their difference is a documentary/model mismatch,not measured shortfall,adjuster travel or instruction to extend a fitted rod.",
  "follower_checks": [
    {
      "z_mm": -137.75,
      "open_cavity_and_closed_floor": true
    },
    {
      "z_mm": -107.75,
      "open_cavity_and_closed_floor": true
    },
    {
      "z_mm": -58.25,
      "open_cavity_and_closed_floor": true
    },
    {
      "z_mm": -28.25,
      "open_cavity_and_closed_floor": true
    },
    {
      "z_mm": 28.25,
      "open_cavity_and_closed_floor": true
    },
    {
      "z_mm": 58.25,
      "open_cavity_and_closed_floor": true
    },
    {
      "z_mm": 107.75,
      "open_cavity_and_closed_floor": true
    },
    {
      "z_mm": 137.75,
      "open_cavity_and_closed_floor": true
    }
  ],
  "followers_remain_within_original_exteriors": true,
  "detached_comparison_cup_open": true,
  "original_engine_placement_unchanged": true,
  "comparison_only_default": true,
  "source_mapping_complete": true,
  "limits": "All follower interior and rod ball/stem/cup/flare dimensions,finished end shape and detached placement are estimates. Follower floor is a recognition closure,not a measured spherical contact seat; no lubrication drilling,face crown,material or cam wear established. Factory-sized follower exterior and axes stay. The old pushrod line begins at the follower rim station,not a verified internal seat. The separate198mm replacement comparison does not resolve common cam/head/rocker registration or identify this car\u2019s rods. No cam/head/rocker relocation,length fitting,loaded articulation,valve lash,torque,safe replacement sequence or verified removal path. UK engine operations are not substituted for missing1975 North American pages."
}