Well, not exactly correct that none of the other GM motors come close to the LS6 (great motor btw, and I have a vette with an L71). Hot Rod magazine at the time took 3 new cars and put them on the dyno. Here is what they found (advertised/dyno shown): 426 Hemi: hp: 425/460; tq: 490/500. LS6: hp: 450/450; tq: 500/505. Olds W-30: hp: 370/440; tq: 510/510. Great engines for their time.
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