Quote:
Originally Posted by Capricio
In the past, it has usually been just a matter of a slightly hotter cam profile and a bit more advance in the ECU. Examples: LS1 in C5 vs F-Body, 4.6 DOHC Northstar in DTS vs DHS
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The differences in cam profile were negligible. Dyno results showed the F Body LS1 and Vette LS1 were much closer in power then GM advertised.