5.3 vs 6.0

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Tiny04

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So i know the 5.3 early 2000 Tahoe's and Yukon are bulletproof, but I dont know much about the 6.0 that cam in the Yukon Denali, I've heard it uses the same block as the 5.3 but I dont know much about it. Anybody have any info on the 6.0
 

Big Mama

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Lots of info on here about it look in the 2000-2006 forum there are fewer of them bc of what they came in. Good motor.
 

swathdiver

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They do not share the same blocks. The each have different bore sizes and the 5.3s also had the option of an aluminum block. The 6.0s made anywhere from 300 to 340 horsepower depending on year and model and application.
 

iamdub

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Yup. Different blocks but essentially the same design, making them all equally reliable at their core. Sticking to the truck engines, there are different variations of each, but the iron block 5.3s are all about the same and there was a high-output version. For the 6.0, the two most commonly compared variants are the LQ4 and LQ9. The LQ9 is the higher-compression variant with more power. It also had a few upgraded internals and I believe it was built exclusively in Romulus, Michigan. There's so much more to this subject than that, but this is a start.
 

Rocket Man

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The LQ4 is perfect for a blower; the higher compression of the LQ9 is better if you want to stay NA. Both are great truck motors.
 

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