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.
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 which 5.3 I have?
If you’re certain it’s a 5.3, it’s the LM7. Only option 5.3 in 2000. Open your glove box and look at the RPO sticker there it should say LM7 as you read through. If you don’t find LM7, look for the 3 digit code and match it to one of the codes on the wikipedia page linked below.
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.
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.
Is the 6.0 Vortec an LS engine?
Although Vortec engines are “LS” based they are NOT LS engines IMO. You can gain an inch or two by removing the plastic engine cover and cutting some of the plastic tabs on top of the Vortec intake manifold. This may be all you need for clearance and a Vortec will fit in your car.
How can I tell if I have an LS or LT?
There are currently just five LT engines, including the LT-based EcoTec3 truck engines: LT1, LT4, L83, L8B, and L86. 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).
How many horsepower is a 6.0 LS?
The 6.0-liter LS engine produces 300 horsepower at 4,400 rpm and 360 pound-feet of torque at 4,400 rpm.
