The Official Studebaker Reference Guide 1961 Hawk Lark Starting Serial Number: 61S - Lark...61S-1001   61V - Lark & Hawk... 61V-1001 Location: On plate on left front door post. Starting Motor Serial Number: 61S - Lark... S-172601   61V - Lark... V-510401   61V - Hawk... P-74701 Location: 6 and straight 8 - Upper left side of cylinder block.   V8 - Top side front of cylinder block. Production Information: 2-dr. Sedan 13,275   4-dr. Sedan 28,670   2-dr. Hardtop 3,211   2-dr. Wagon 2,166   4-dr.Wagon 6,552   Convertible 1,898   Hawk 3,117   Taxi & Chassis 824 General Specifications: Model Wheelbase (In.) Tread (front) Tread (rear) Length Width Height Shipping Weight (lb.) Tire Size (In.) 6 Cyl Lark, Sedans & H.Top n/a n/a n/a 175.0 n/a n/a n/a 5.90-15* V8 Lark, Sedans & H.Top n/a n/a n/a 175.0 n/a n/a n/a 6.40-15* 6 Cyl Hawk n/a n/a n/a 204.0 n/a n/a n/a 6.40-15 V8 Hawk n/a n/a n/a 204.0 n/a n/a n/a 6.70-15 6 Cyl Station Wagons n/a n/a n/a 184 1/2 n/a n/a n/a 6.40-15 V8 Convertibles n/a n/a n/a 175.0 n/a n/a n/a 6.70-15 * Convertibles 6.50-15. 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 4 Mech. Adj. 169.6 21.6 112 @ 4500 225 @ 4500 8.5 40 All V8, exc. Hawk 8 - 3 9/16 x 3 1/4 5 Mech. Adj. 259 40.6 * note 1 * note 1 8.8 40 Hawk 8 - 3 9/16 x 3 5/8 5 Mech. Adj. 289 40.6 154@2000 300@2800 8.8 40 * note 1With 2 BBL Carburetor: HP- 180@4500, Torque- 260@2800. With 4 BBL Carburetor: HP-195@4500, Torque- 265@2800. 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 H14Y .035 39 .020 4B 150 .024 .024 4 550 V8 H14Y .035 31 .015 4B 140 .026 .026 4 550 Table of Contents | Chapter 5 - Studebaker Cars - Postwar