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That's the thing...THAT claim seems implausible.

At a lowish 7psi, the *stock* unboosted car would need to produce ~ 265+hp to the rear wheels...meaning that stock sn95 is making 300ish hp to the...

the esteemed reverernd cooper gets it right.

Everything "stock" (ie heads, cam, intake) with a little allowance for a better exhaust, I wouldn't expect more than high 300's @ 11 psi....though...