Quote:
Originally Posted by Camaro10ss1
I do want to add that I have a ls3. I've read the ls3 lifters are better than l99. Will that make a difference or do they still need to be changed?
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Its no different than any other LSx motor with the exception to the collapsible AFM ones in the L99 and other AFM LS motors.
Its more so a precaution, a "might as well" for good insurance.
Keep in mind, Ive personally seen PLENTY of 'cam only' swapped LS motors in fbodys, trucks and other GM performance cars reuse the stock lifters when only changing the cam shaft with 100k+ miles. I'm not saying to do it..but you could.
Most people who go Heads/Cam replace the lifters.