There is no such thing as an LS6 F-Body.You can put LS6 parts in an LS1 engine but the LS6 is for the Vet.As for HP they are from 310 rwhp up to 330rwhp stock with lid and cutout and other free mods.That can translate to 375 to 390 hp at the crank.
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99 A4 SS black convert.#223
All the free mods,K&N,cut out,TR6's,SLP lid.
13.2 1/4 mile at 105 mph.
312.1 hp
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