Remember back in the day when the engine output on a Rolls-Royce was listed as "adequate" or "more than adequate"? We don't know what the old guard would make of this, but adequate doesn't even come close.

This vintage Rolls-Royce Silver Shadow has had its "ordinary" 6.75-liter V8 swaped out for a 592 Hemi, complete with dual-stage nitrous system for a reported output of over 1,000 horsepower. The chrome engine popping out of the hood might not be the average Rolls buyer's cup of tea, as it detracts from the usually-dominant classic grille, but the leather-covered roll cage is pure class. And here we thought the modern day Phantom was powerful enough as is....

Gallery: Hemi-powered Rolls-Royce Silver Shadow

Exceedingly Adequate: 1040-hp Hemi-powered Rolls-Royce originally appeared on Autoblog on Mon, 21 Jul 2008 09:28:00 EST. Please see our terms for use of feeds.