How do I identify my GM LS engine?

To get the right parts, you need to know which version of the LS you are starting with. The easiest way to tell the difference is to check the 8th digit of the VIN code on the original vehicle. Follow this link to Identify an LS Engine by VIN.

How do I know which LS engine I have?

What LS Engine Do I Have? To figure out what LS engine you’re staring at, just consult the RPO code. The easiest way to do this is to find the VIN and reference the 8th digit.

How do I identify a 5.3 LS engine?

The 4.8/5.3L motors are easy to identify by their large 4.8/5.3 casting mark on the front of the block, but there is no simple, external way to differentiate the 4.8 from the 5.3. The best way is to yank a head and measure the stroke.

How do I know if I have an LS or LT?

Much like with LS engines, the easiest way to be sure which LT engine you have is to check the 8th digit of the Vehicle Identification Number (VIN).

IT IS INTERESTING:  Is it OK to turn on AC while engine is off?

Where is the VIN on an LS engine?

There’s a vin derivative laser etched on the drivers side of the engine block near the oil filter. It’s on the flat/machined surface where the bellhousing mates to the block.

How do I identify a Chevy V8 engine?

All engines are stamped with an engine ID code, consisting of assembly plant code, production date and suffix code. V8 codes are stamped on a pad just forward of the right side (passenger) cylinder head.

How do you tell the difference between a 4.8 and a 5.3 LS?

Crankshaft and connecting-rod casting numbers are the real key to distinguishing between the two. If you have crank casting numbers ending in 216 and rods ending in 143, then you have a 5.3. If, however, your iron-block motor is sporting a 482 crank and 121 rods, then you have a 4.8.

What is the difference between a Vortec and LS engine?

The Vortec truck harness has a large portion up on top of the intake manifold, is supported by it, and is covered or hidden by the plastic engine cover. The LS engine harness is configured much differently and the intake manifold is exposed and uses valve covers to dress up the engine.

Is a Chevy 5.3 a LS engine?

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 do I know what motor is in my truck?

Your VIN number is your vehicle identification number and you can find your engine size by VIN number. In the series of numbers and letters, the tenth from the left denotes the model year and the eighth is the engine codes. Just tell the store clerk those two characters and you’re in business.

IT IS INTERESTING:  Does sugar really ruin an engine?