4.8L, 5.3L & 6.0L Engines Repair Guide The vehicle identification number (VIN) is located on the left side rear of the engine block (1) and is typically a 9 digit number stamped or laser-etched onto the engine at the vehicle assembly plant.Click to see full answer. In this manner, how can I tell what LS engine I have without Vin?The easiest way to tell the difference is to check the 8th digit of the Vehicle Identification Number (VIN) on the original vehicle. (See below.) If you don’t have the VIN, you can still identify the engine by visual inspection if you know what to look for.Likewise, what digit is the engine code in a VIN? You can find the VIN in the lower corner of your windshield on the driver’s side. In the series of numbers and letters, the tenth from the left denotes the model year and the eighth is the engine code. Similarly, it is asked, where is the VIN number on a Chevy engine? Locate the VIN number beneath the windshield of the car on the driver’s side of the vehicle. If you cannot read the VIN from this location, you can refer to the Certificate of Title and Registration or the door pillar on the driver’s side, which also contains the VIN number.What does the 8th digit of a VIN mean?The fourth through the eighth digits combined, are called the “Attributes” of the VIN. They include things like safety, engine size, body style, and the series that the vehicle is.