| LD8 | On right front of engine, on rocker cover. |
| LD8 | On right front of engine block, forward of trans. extension. |
| LD9 | On engine block, near oil filter. |
| LL0 | On left rear side of engine. |
| LN2 | On left side of engine block, under exhaust manifold. |
| LN2 | On left rear of engine, on bellhousing flange. |
| LQ1 | On left rear of engine, on bellhousing flange. |
| LT1 (Corvette) | On right front top of engine block, under ignition coil. |
| LT1 (Fleetwood) | On left rear of engine block. |
| "LT1 (Fleetwood) | On left rear of engine block, near oil filter. |
| LT1 (Fleetwood) | On right front of engine, on cylinder head. |
| LT1 (All Others) | On left side of engine block, above oil pan. |
| LT1 (All Others) | On left rear of engine block, near oil filter. |
| L24 | On left rear side of engine. |
| L36 | On left front of engine, below cylinder head. |
| L36 | On left rear of engine, on bellhousing flange. |
| L37 | On right front of engine, on rocker cover. |
| L37 | On right front of engine block, forward of trans. extension. |
| L47 | On right front of engine, on rocker cover. |
| L47 | On right front of engine block, forward of trans. extension. |
| L67 | On left front of engine, below cylinder head. |
| L67 | On left rear of engine, on bellhousing flange. |
| L82 | On left rear of engine, on oil pan. |
| L82 | On right side of engine, on rocker cover. |
| L82 | On left rear of engine, on bellhousing flange. |
| L82 | On top front of engine block, near timing belt. |
| L99 | On left side of engine block, above oil pan. |
| L99 | On left rear of engine block, near oil filter. |
| (1) See ENGINE in MODEL IDENTIFICATION table for engine code location prefix (RPO). |