How do I identify my GM LS engine?

How can I tell what LS engine I have without Vin?

By visual inspection



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.

Are 5.3 and 6.0 blocks the same?

Flassh, Actually the 6.0 motor is the same small block that the 5.3 utilizes. The 5.3 is 327 cu. in. and the 6.0 is the same block bored to a 366 cu.

Do LS engines have VIN numbers?

No, there are no VIN numbers on engines. VIN number is usually placed on car body.

Is the 5.3 a good motor?

The 5.3L V8 Vortec 5300 is considered an engine that is extremely reliable. In fact, many vehicle owners with the engine report having the engine run with minimal issues up to 220k miles. Additionally, the engine blocks are very durable also.

How much HP does a 5.3 LS have?

The stock 5.3L is factory rated around 320 hp with 340 lb-ft of torque.

What years are a Gen 3 LS?

Generation III (1997–2007)

Generation III
Production 1997-2007
Layout
Configuration 90° V-8
Displacement 4,806 cc (293.3 cu in) 5,327 cc (325.1 cu in) 5,665 cc (345.7 cu in) 5,967 cc (364.1 cu in)
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Is a 5.3 an LS motor?

The cheapest of the LS engine family is the 5.3L truck engine since it came in most of the trucks and SUVs that Chevrolet has produced.

How many horsepower does a 6.0 Vortec have?

GM 6.0L Vortec V-8 Engine Specs

Engine: General Motors 6.0L Vortec V-8 (Vortec 6000)
Emissions Equipment: Catalytic converter, positive crankcase ventilation (PCV)
Max Engine Speed: 6,000 RPM
Peak Horsepower: 360 HP @ 5,400 RPM
Peak Torque: 380 HP @ 4,200 RPM
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