GENERAL SPECIFICATIONS & VIN IDENTIFICATION
| Model | (1) Body Code | (2) Engine | ENG. ID | Fuel System | Ignition System |
|---|
| Astro & Safari Safari | M, L | 4.3L (L35) | W | CSI 33 | (3) Magnetic |
| Blazer, Bravada, Jimmy, Sonoma,S10 Pickup | S, T | (4) 2.2L (LN2) 55 | 4 | SFI | Magnetic |
| 4.3L (L35) | W | CSI (5) | (3) Magnetic |
| 4.3L (LF6) | X | CSI (5) | (3) Magnetic |
| Commercial Van & Motorhome (P32/P42) | P | 5.7L (L31) | R | CSI 33 | Magnetic |
| 6.5L (L57) | Y | Diesel | N/A |
| 6.5L (L65) | F | Turbo Diesel | N/A |
| 7.4L (L19) | N | TBI | Magnetic |
| 7.4L (L29) | J | CSI (5) | Magnetic |
| Van | G | 4.3L (L35) | W | CSI (5) | (3) Magnetic |
| 5.0L (L30) | M | CSI (5) | Magnetic |
| 5.7L (L31) | R | CSI (5) | Magnetic |
| 6.5L (L65) | S | Turbo Diesel | N/A |
| 7.4L (L29) | J | CSI (5) | Magnetic |
| Pickup | C, K | 4.3L (L35) | W | CSI (5) | (3) Magnetic |
| 5.0L (L30) | M | CSI (5) | Magnetic |
| 5.7L (L31) | R | CSI (5) | Magnetic |
| 6.5L (L65) | F | Turbo Diesel | N/A |
| 6.5L (L56) | S | Turbo Diesel | N/A |
| 7.4L (L29) | J | CSI (5) | Magnetic |
| Silhouette, Trans Sport & Venture | U | 3.4L (LA1) | E | SFI | Magnetic |
| Suburban | C, K | 5.7L (L31) | R | CSI (5) | Magnetic |
| 6.5L (L65) | F | Turbo Diesel | N/A |
| 7.4L (L29) | J | CSI (5) | Magnetic |
| Tahoe, Yukon | C, K | 5.7L (L31) | R | CSI (5) | Magnetic |
| 6.5L (L56) | S | Turbo Diesel | N/A |
| (1) Series designation. (2) Engine code is stamped on engine block. See ENGINE CODE LOCATION . (3) Uses Enhanced Electronic Ignition (OBD-II), utilizing a camshaft and crankshaft position sensor. (4) 2WD only. (5) Central Sequential Port Injection (CSI). |
| (2) | Engine code is stamped on engine block. See ENGINE CODE LOCATION . |
| (3) | Uses Enhanced Electronic Ignition (OBD-II), utilizing a camshaft and crankshaft position sensor. |
| (5) | Central Sequential Port Injection (CSI). |
1997 MODEL IDENTIFICATION
