You are watching: What cubic inch is a 5.3

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See all 3 photosWith just a mild cam and also valvespring swap, a diminutive Gen III 5.3L LS have the right to make phibìc of 400 hp. Add pocket-ported LS heads and GM"s remarkable TrailBlazer SS entry manifold, and also you can be looking in ~ 450 hp top top a 5.3, and also knocking top top the door the 500 hp with the 5.3"s 6.0L big brother—as proven repeatedly in test by Richard Holdener and (shown here) Jeff smith at Westech Performance.


See more: 180 Pounds Equals How Many Kg, How Many Kilograms Are 180 Pounds

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See all 3 photosEdelbrock"s new Pro-Flo 4 LS ECU and Harness Kit (PN 35711) is designed especially for junkyard Gen III LS engine swaps, completely seamlessly through the OE GM LS injectors, coils, crank sensors, and other factory intake manifold connections to considerably simplify the installation, start-up, and also performance tuning processes. As of respectable 1, 2019, it"s on sale at Summit Racing because that $810.95. At that price, you"d be hard put to uncover a much better system. Finish kits consisting of intake manifolds are additionally available.