Again - I'm not condoning or saying I'm going to go that route - but it has been done. There are also guys with KB blowers pushing the stock block to even higher power levels than a 6lb lower would do....
Its all in the tune and how you drive it.
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Current Rides: 2001 BMW 540i, 2002 BMW 330i (wife's car)
Previous Rides: 2001 Saleen Mustang SC Speedster Convt, 95 Mustang GT w/ Built 331/Vortech S Trim - 550rwhp, 93 Mustang LX Procharged 400rwhp, 99 SVT Lightning 475RWHP