Quote:
Originally Posted by mongocanfly
Eliminating the possibility of it being a 6.0, you can look at the piston top thru the sparkplug hole
The visible difference between a 4.8 and 5.3 are..
A 4.8 has a flat top piston, a 5.3 has a dish top piston
Or as Josh said, measure the stroke
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Would there be any real reason to get a 6.0L instead of a 5.3L? I planned to modify the engine some, in order to make more power. But keeping it naturally aspirated, and not going hog wild with it so that it doesn't destroy the gas mileage. Is a 5.3L better for this task? Or can a 6.0L make more power NA with less hit to the fuel economy?