A Studebaker Reference Guide

1958

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Starting Serial Number: 58G - Champion & Silver Hawk... G-1405401
  58B - Commander... 8471601
  58H - President... 7210001
  58HK - Golden Hawk... 6104501
Location: On plate on left front door post.

Starting Motor Serial Number: 57G - Champion & Silver Hawk... 1228401
  57B - Commander... V-407501
  57H - President... P-60701
  57HK - Golden Hawk... PS-5501
Location: 6 and straight 8 - Upper left side of cylinder block.
  V8 - Top side front of cylinder block.

Production Information: Six 31,195
  259 V-8 12,249
  289 V-8 18,670
  Golden Hawk 878
  Silver Hawk 7,350
General Specifications:
Model Wheelbase (In.) Tread (front) Tread (rear) Length Width Height Shipping Weight (lb.) Tire Size (In.)
Scotsman n/a n/a n/a 202 3/8 n/a n/a n/a 6.40-15
Silver Hawk n/a n/a n/a 203 15/16 n/a n/a n/a 6.40-15
President (4dr) n/a n/a n/a 206 3/8 n/a n/a n/a 8.00-14
President (2dr) n/a n/a n/a 202 3/8 n/a n/a n/a 7.50-14
President - (coupe,S Hawk) n/a n/a n/a 203 15/16 n/a n/a n/a 7.50-14
Golden Hawk n/a n/a n/a 203 15/16 n/a n/a n/a 8.00-14
Packard Hawk n/a n/a n/a 205 1/16 n/a n/a n/a 8.00-14

General Engine Specifications:
Model # of Cyl - Bore & Stroke # of Main Bearings Type of Lifter Used Displacement Taxable H.P. Developed H.P. Max. Torque Compression Oil Pressure
All 6 Cyl. 6 - 3 x 4 3/8 4 Mech. Adj. 185 21.6 101 @ 4000 152 @ 1800 7.8 40
Commander - V8 8 - 3 9/16 x 3 1/4 5 Mech. Adj. 259 40.6 * note 1 * note 1 8.0 40
President - V8 8 - 3 9/16 x 3 5/8 5 Mech. Adj. 289 40.6 * note 2 * note 2 8.3 40
Golden Hawk - V8 8 - 3 9/16 x 3 5/8 5 Mech. Adj.. 289 40.6 275 @ 4600 333 @ 3200 7.5 40

* note 1With 2 BBL Carburetor: HP- 180@4500, Torque- 260@2800. With 4 BBL Carburetor: HP-195@4500, Torque- 265@2800.
* note 2With 2 BBL Carburetor: HP- 210@4500, Torque- 300@2800. With 4 BBL Carburetor: HP-225@4500, Torque- 305@3000.

Engine Tune-Up Specifications:
Model Plug Type Plug Gap Dwell Point Gap Ign. Timing Compression Inlet Tappet (hot) Exhaust Tappet (hot) Fuel Pressure Min. Engine Idle
All, 6 Cyl J7 .030 39 .020 2B 140 .016 .016 4 550
Commander, V8 H11 .035 31 .015 4B 140 .026 .026 4 550
President, V8 H11 .035 31 .015 4B 140 .026 .026 4 550
Golden Hawk, V8 H10 .035 31 .015 4B 140 .026 .026 6 1/2 550

Table of Contents | Chapter 5 - Studebaker Cars - Postwar