CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS
| Application | In. (mm) |
| Crankshaft |
| End Play |
| Standard | .0016-.0094 (.040-.240) |
| Wear Limit | .0118 (.300) |
| Runout | .0012 (.030) |
| Main Bearings |
| Journal Diameter (1) |
| Size Mark "0" | 1.8897-1.8898 (47.998-48.000) |
| Size Mark "1" | 1.8896-1.8897 (47.996-47.998) |
| Size Mark "2" | 1.8895-1.8896 (47.994-47.996) |
| Size Mark "3" | 1.8894-1.8895 (47.992-47.994) |
| Size Mark "4" | 1.8893-1.8894 (47.990-47.992) |
| Size Mark "5" | 1.8892-1.8893 (47.988-47.990) |
| Journal Out-Of-Round | .0008 (.020) |
| Journal Taper | .0008 (.020) |
| Oil Clearance |
| Standard | .0006-.0013 (.015-.032) |
| Wear Limit | .0020 (.050) |
| Connecting Rod Bearings |
| Journal Diameter | 1.7320-1.7323 (43.992-44.000) |
| Journal Out-Of-Round | .0008 (.020) |
| Journal Taper | .0008 (.020) |
| Oil Clearance |
| Standard | .0006-.0013 (.015-.032) |
| Wear Limit | .0020 (.050) |
| (1) Main bearing journal diameter is determined by size mark on crankshaft counterweight. (Схема №293) |
| (1) | Main bearing journal diameter is determined by size mark on crankshaft counterweight. (Схема №293) |
CRANKSHAFT, MAIN & CONNECTING ROD BEARINGS
CONNECTING RODS
| Application | In. (mm) |
| Connecting Rod Small End Bore Diameter |
| "A" | .7879-.7880 (20.012-20.015) |
| "B" | .7880-.7881 (20.016-20.018) |
| "C" | .7881-.7882 (20.019-20.021) |
| Bore Diameter Pin Bushing Bore |
| "A" | .7876-.7878 (20.006-20.009) |
| "B" | .7878-.7879 (20.010-20.012) |
| "C" | .7879-.7880 (20.013-20.015) |
| Maximum Bend | .0020 Per 3.94 (.050 Per 100.0) |
| Maximum Twist | .0020 Per 3.94 (.050 Per 100.0) |
| Side Play |
| Standard | .0063-.0135 (.160-.342) |
| Wear Limit | .0135 (.342) |
ENGINE PISTONS, ENGINE PISTON PINS & ENGINE PISTON RINGS
| Application | In. (mm) |
| Pistons |
| Oil Clearance |
| Standard | .0026-.0035 (.065-.088) |
| Maximum | .0039 (.100) |
| Diameter | 3.1052-3.1091 (78.872-78.972) |
| Pins |
| Diameter |
| "A" | .7876-.7877 (20.004-20.007) |
| "B" | .7877-.7878 (20.008-20.010) |
| "C" | .7878-.7879 (20.011-20.013) |
| Piston Fit | (1) |
| Rod Fit |
| Standard | .0002-.0004 (.005-.011) |
| Wear Limit | .002 (.050) |
| Rings |
| No. 1 |
| End Gap |
| Standard | .0098-.0138 (.250-.350) |
| Wear Limit | .0413 (1.050) |
| Side Clearance | .0012-.0028 (.030-.070) |
| No. 2 |
| End Gap |
| Standard | .0138-.0177 (.350-.450) |
| Wear Limit | .0472 (1.200) |
| Side Clearance | .0012-.0028 (.030-.070) |
| No. 3 (Oil) |
| End Gap |
| Standard | .0059-.0157 (.150-.400) |
| Wear Limit | .0413 (1.050) |
| (1) Piston pin should slide into piston using thumb pressure after piston is heated to 176-194°F (80-90°C). |
| (1) | Piston pin should slide into piston using thumb pressure after piston is heated to 176-194°F (80-90°C). |
ENGINE PISTONS, ENGINE PISTON PINS & ENGINE PISTON RINGS
CYLINDER BLOCK
| Application | In. (mm) |
| Cylinder Bore |
| Standard Diameter | 3.1102-3.1107 (79.000-79.013) |
| Main Bearing Bore Inside Diameter (1) |
| Size Mark "0" | 2.0472-2.0473 (52.000-52.003) |
| Size Mark "1" | 2.0473-2.0474 (52.003-52.005) |
| Size Mark "2" | 2.0474-2.0475 (52.005-52.007) |
| Size Mark "3" | 2.0475-2.0476 (52.007-52.010) |
| Size Mark "4" | 2.0476-2.0477 (52.010-52.012) |
| Size Mark "5" | 2.0477-2.0478 (52.012-52.014) |
| Size Mark "6" | 2.0478-2.0479 (52.014-52.016) |
| Maximum Deck Surface Warpage | .0020 (.050) |
| (1) Main bearing bore inside diameter is determined by size mark on cylinder block. (Схема №293) |
| (1) | Main bearing bore inside diameter is determined by size mark on cylinder block. (Схема №293) |
VALVES & VALVE SPRINGS
| Application | Specification |
| Intake Valves |
| Face Angle | 44.5 Degrees |
| Minimum Margin | .028 in. (.70 mm) |
| Minimum Refinish Length | 3.4783 in. (88.350 mm) |
| Stem Diameter | .2154-.2159 in. (5.470-5.485 mm) |
| Valve Stem-To-Guide Oil Clearance |
| Standard | .0010-.0024 (.025-.060) |
| Maximum | .0031 (.08) |
| Exhaust Valves |
| Face Angle | 44.5 Degrees |
| Minimum Margin | .028 in. (.70 mm) |
| Minimum Refinish Length | 3.4799 in. (88.390 mm) |
| Stem Diameter | .2152-.2157 in. (5.465-5.480 mm) |
| Valve Stem-To-Guide Oil Clearance |
| Standard | .0012-.0026 (.030-.065) |
| Maximum | .0031 (.08) |
| Valve Springs |
| Free Length | 1.7087 in. (43.40 mm) |
| Out-Of-Square | .063 in. (1.60 mm) |
| Lbs. @ In. (kg @ mm) |
| Pressure |
| Valve Closed | 35.7-39.5 @ 1.323 (16.2-17.9 @ 33.60) |
| Valve Open | 75.4-83.3 @ .949 (34.2-37.8 @ 24.10) |
CYLINDER HEAD
| Application | Specification |
| Maximum Warpage |
| Cylinder Block Surface | .0020 in. (.050 mm) |
| Manifold Surface | .0020 in. (.050 mm) |
| Valve Seats |
| Intake & Exhaust Valves |
| Seat Angle | 45 Degrees |
| Seat Width | .039-.055 in. (1.00-1.40 mm) |
| Valve Guides |
| Intake Valve |
| Valve Guide Cylinder Head Bore I.D. |
| Standard | .4049-.4057 in. (10.285-10.306 mm) |
| O/S | .4068-.4077 in. (10.335-10.356 mm) |
| Valve Guide I.D. | .2169-.2177 in. (5.510-5.530 mm) |
| Valve Guide Installed Height | .342-.358 in. (8.70-9.10 mm) |
| Exhaust Valve |
| Valve Guide Cylinder Head Bore I.D. |
| Standard | .4049-.4057 in. (10.285-10.306 mm) |
| O/S | .4068-.4077 in. (10.335-10.356 mm) |
| Valve Guide I.D. | .2169-.2177 in. (5.510-5.530 mm) |
| Valve Guide Installed Height | .342-.358 in. (8.70-9.10 mm) |
CAMSHAFT
| Application | In. (mm) |
| End Play |
| Standard | .0016-.0037 (.040-.095) |
| Wear Limit | .0043 (.110) |
| Journal Diameter |
| No. 1 | 1.3563-1.3569 (34.449-34.465) |
| All Others | .9035-.9041 (22.949-22.965) |
| Lobe Height |
| Intake Lobe |
| Standard | 1.7454-1.7493 (44.333-44.433) |
| Wear Limit | 1.7394 (44.180) |
| Exhaust Lobe |
| Standard | 1.7229-1.7268 (43.761-43.861) |
| Wear Limit | 1.7169 (43.610) |
| Oil Clearance |
| Standard | .0006-.0020 (.014-.050) |
| Wear Limit | .0039 (.010) |
VALVE LIFTERS
| Application | In. (mm) |
| Bore Diameter | 1.2205-1.2215 (31.000-31.025) |
| Lifter Diameter | 1.2191-1.2195 (30.966-30.976) |
| Oil Clearance |
| Standard | .0009-.0023 (.024-.059) |
| Maximum | .0031 (.079) |