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Ive never been one to fall for all the hype. One claims 1200hp with a 5.3 truck engine and all of a sudden everything else is junk. Im still waiting to see all these 1000hp "stock" engines. Its internet hype and legends created from bs.



Well, it isn't a 5.3, but it is a 4.8.

http://www.hotrod.com/techarticles/hrdp_1109_stock_gm_ls_engine_big_bang_theory/

Jack Irons Jr. '67 GTX, turbo 6.1 HEMI