MODEL 225 CID 318 CID ENGINE-GENERAL Type, no. cyls., valve arr. Six, In-line, OHV 90 V-8, OHV Bore and stroke (nominal) 3.4 x 4.12 3.91 x 3.31 Pistion displacement cu. in. 225 318 Bore spacing ( to ) (a) 4.46 No. system (front to rear) L. Bank - - 1-3-5-7 R. Bank - - 2-4-6-8 Firing order 1-5-3-6-2-4 1-8-4-3-6-5-7-2 Compres. ratio (normal) See Page 4 Cylinder Head Combustion Chanber Volume (cc) 58.5 66.3 Cylinder Head Material Cast iron Cylinder Block Material Cast iron Cyl. Sleeve-Wet, dry, none None Number of mtg. points Front Two Rear One Engine installation angle Lateral: 006', inclined rear to front: 230' to 3 Taxable horsepower 27.7 48.9.7 ENGINE-PISTONS Material Aluminum alloy Description and finsih Closed slipper-type, steel strut elliptically turned, tin-plated Weight (piston only) oz. 16.4 20.9 Clearance (Limits) Top land 0.024 min. 0.018 min. Skirt Top 0.0005 to 0.0015 Bottom -0.0005 to 0.0015 Ring groove diameter No. 1 ring 3.014 3.476 No. 2 ring 3.014 3.476 No. 3 ring 3.010 3.503 No. 4 ring - -

(a) 3.98 (1-2, 3-4, 5-6); 4.0 (2-3, 4-5)

Form Rev 3-70

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