MODEL 225 CID 318 CID 383 CID 1,2-V 1,4-V ENGINE-RINGS Function (top to bottom) No. 1, oil or comp. Compression No. 2, oil or comp. Compression No. 3, oil or comp. Oil No. 4, oil or comp. None Compres- sion Description - material, cooling, etc. #1 Cast iron, twist and raduis- face, tin-plated Cast iron, twist and raduis- face, tin-plated #2 Cast iron, reverse twist & taper, lubrite-coated (a) Width 0.078 Gap 0.010 to 0.020 0.013 to 0.023 Oil Description - material, coating, etc. 3-piece abutment-type, stainless steel spacer-expander with chrome-plated segment Width 0.1.88 Gap Not Applicable Expanders See Above ENGINE-PISTON PINS Material Carbon steel-carburizing grade Length 2.965 2.995 3.565 Diameter 0.9008 0.9842 1.0936 Type Locked in rod, in piston, floating, etc. Press-fit in rod Floating Press-fit in rod Bush- ing In rod or piston None Rod None Material - - Bronze on steel - - Clearance In piston 0.00045 to 0.00075 0.0000 to 0.005 0.00045 to 0.00075 In rod (b) 0.0001 to 0.0006 (c) 0.0007 to 0.0014 Direction & amount offset in piston Right 0.06 Right 0.09 ENGINE-CONNECTING RODS Material Drop-forged steel Weight (oz) 26.8 25.6 28.6 Lenght (center to center) 6.699 6.123 6.358 Bearing Material & Type Lead-base babbitt on steel Bi-metal grid Babbitt Tri-metal Overall length 0.985 0.843 0.927 Clearance (limits) 0.0005 to 0.0025 0.0005 to 0.0025 0.0007 to 0.0032 End play 0.006 to 0.012 (d) 0.009 to 0.017 (2 rods)

(a) Cast iron, reverse twist and taper, tin-plated (b) 0.00045 to 0.0014 interference (c) 0.0007 to 0.0014 interference (d) 0.006 to 0.014 (2 rods)

Form Rev 3-70

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