If you're only after 400rwhp, then I'd go with the 5.3L. My 4.8L runs close to 500rwhp, probably over 500rwhp, with a turbo and a few supporting mods. So it wouldn't be difficult at all to make 400+ with a 5.3L.
If you're only after 400rwhp, then I'd go with the 5.3L. My 4.8L runs close to 500rwhp, probably over 500rwhp, with a turbo and a few supporting mods. So it wouldn't be difficult at all to make 400+ with a 5.3L.
~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~
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