I think the point that Hotrod was trying to make was "How extremely efficient" these LS based engines are which like don said "Is nothing new".
If you were to get an old virgin small block 350 out of a camaro and strap it in place of that 5.3........ya you get the point.
Theyre a magazine, its more for the "what if" and the "wow factor". they should put in the disclaimer,
(Do not try this in your own cars!!!)
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99 Black Formula, Twin Turbo sold
01 SOM Firebird. Daily Driven, 9's---Sold
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