2012 Performance Parts by Chevrolet

More catalogs by Chevrolet | 2012 Performance Parts | 356 pages | 2011-12-21

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Page 166 of 2012 Performance Parts

chevy small-block v-8 chevy small-block quick reference chart cast-iron small-blocks part number 10105123 19171109 10066034 12480174 12480047 12480175 12480157 12480049 12480159 24502503 cast number 14093638 10051184 10051184 10051184 10051184 10051184 10051184 10051184 deck height 9.025 9.025 9.025 9.025 9.025 9.025 9.025 9.025 9.025 9.025 lifter pattern std std std std std std std std std std cyl wall open open open bore range 4.000 ­4.030 4.004 ­4.030 4.000 ­4.030 main bolt 4 4 4 4 4 4 4 4 4 4 main bolt degree straight straight straight 20° 20° 20° 20° 20° 20° 20° cap material grayiron grayiron grayiron nodular nodular nodular nodular nodular nodular steel crank oiling jnl size 350 350 350 350 350 350 350 400 400 350 wet wet wet wet wet wet wet wet wet wet seal type 1pc 1pc 2pc 1pc 2pc 1pc 2pc 2pc 2pc 2pc max weight stroke lbs 3.750 3.800 3.750 3.750 3.750 3.750 3.750 3.750 3.750 3.750 181 181 181 196 208 196 196 208 196 208 max hp 350 450 350 500 500 500 500 500 500 700 usage street street street amateur amateur amateur amateur amateur amateur pro page number 165 165 165 166 167 167 167 167 167 168 siamese 3.980 ­4.155 siamese 3.980 ­4.155 siamese 4.117 ­4.155 siamese 4.117 ­4.155 siamese 3.980 ­4.155 siamese 4.117 ­4.155 siamese 3.980 ­4.155 short deck cast-iron block part number 24502650 12480050 cast number 24502650c 12480050 deck height 8.325 8.700 lifter pattern none std cyl wall bore range main bolt 4 4 main bolt degree 20° 20° cap material steel steel crank oiling jnl size 283 283 dry dry seal type 2pc 2pc max weight stroke lbs 3.250 3.480 167 216 max hp 800 800 usage pro pro page number 168 169 siamese 3.980 ­4.185 siamese 3.980 ­4.190 sb2.2 blocks part number 12480097 cast number 10051184a deck height 9.025 lifter pattern sb2.2 cyl wall bore range main bolt 4 main bolt degree 17° cap material steel crank oiling jnl size 283 dry seal type 2pc max weight stroke lbs 3.750 192 max hp 800 usage pro page number 169 siamese 4.116 ­4.185 aluminum small-blocks part number 10185075 10134400 24502495 cast number 10134398 10134398 24502495 deck height 9.025 9.025 9.525 lifter pattern std std std cyl wall bore range main bolt 4 4 4 main bolt degree 20° 20° 20° cap material steel steel steel crank oiling jnl size 350 400 400 wet dry dry seal type 2pc 2pc 2pc max weight stroke lbs 3.750 3.750 4.125 90 89 101 max hp 800 800 850 usage pro pro pro page number 170 170 170 siamese 3.986 ­4.135 siamese 4.117 ­4.135 siamese 4.117 ­4.135 builder s tip 383 small-block basics if you re building your own 383-cid small-block you probably know you need the 3.750-inch crankshaft from a 400 engine to use in a 350 cylinder block but it doesn t simply drop in without modifications the 2.650-inch main journals must be machined down to match the 350 block s 2.450-inch journals and depending on the rods used the cylinder block may require machining to prevent interference at the oil pan rail area and bottom of the bores fortunately the 400 crank s 2.100-inch rod journals match the 350 s but the 400 crank is externally balanced a counterweighted torsional damper and properly balanced flywheel must be used with it 164 shop online at www.gmperformanceparts.com