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            Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

            Trump-backed blank-check firm Digital World ousts CEO Patrick Orlando – New York Post

            Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

            Ukraine war live updates: Latest news on Russia and the war in Ukraine – CNBC

            Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

            ISOs Use Data and Service to Reframe Business Model and Merchant Value – PYMNTS.com

            Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

            Wacipi promotes “healing through education” at annual event – SDSU Collegian

            Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

            Do you know what's in your toothpaste? The chemicals you can't see – Cosmos

            Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

            Nancy Pelosi on How Women Can Succeed in Politics, Business – The Wall Street Journal

            Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

            Report of Wuhan Market Samples Found Covid and Raccoon Dog Genetic Material – The New York Times

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              Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

              Video Why gut health matters, how it can affect your overall health – ABC News

              Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

              WHAT'S COOKING?: Carrots add pizzazz to any meal – The Times and Democrat

              Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

              United States CDC Director Walensky visits Hawai'i – Hawaii State Department of Health

              Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

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              Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

              Multiomic signatures of body mass index identify heterogeneous … – Nature.com

              Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

              Look Back … to the exciting conclusion of the cooking school, 1948 – Yahoo News

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                Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

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                Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

                Ridgeland golf venue plan expands to include national grocery store, retail, homes – WAPT Jackson

                Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

                Being WVU's OC will be a challenge for Chad Scott – Parkersburg News

                Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

                Biden honors Springsteen, Julia Louis-Dreyfus, Mindy Kaling – Geo News

                Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

                Chargers' Austin Ekeler prefers to stay in L.A., but 'relentlessly' seeking deal: 'I'm so underpaid right now' – CBS Sports

                Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

                Cameron Diaz 'is unlikely to return to Hollywood' – Yakima Herald-Republic

                Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

                Sports bets abound, NCAA now embraces Vegas in March Madness – The Associated Press

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                  Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

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                  Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

                  What is the Potential of Blockchain Technology in the Financial … – Analytics Insight

                  Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

                  Aquavit Files Additional IND for DTX-024, a New Botulinum Toxin With Microchannel Technology™ for Palmar Hyperhidrosis – Yahoo Finance

                  Biden State of the Union address likely boosted Democrats' 2024 confidence – NPR

                  For Precision Health Tech Company LifeOmic, Assistive Technology Means Building Accessible Datasets – Forbes

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                  Sledgehammer: When Callaway Built a 255-mph C4 Corvette, the World Took Notice

                  by Editor
                  May 12, 2021
                  in World
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                  Sledgehammer: When Callaway Built a 255-mph C4 Corvette, the World Took Notice
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                  By Grace Houghton / Hagerty.com

                  In the year of our Lord 2021, the recipe of strapping two turbochargers onto a Corvette and hunting for 200+ mph is a familiar one. You don’t even need to sniff out a speed shop; you can buy a stock C6 or C7 ZR-1 and, once you find a helmet and a legal venue, have everything you need. Back in the late ’80s, however, when the most powerful Corvette Chevrolet made was the 240-hp C4, such supercar-worthy pretensions simply didn’t belong to America’s sports car. That is until Callaway decided it wanted a place in the record books.

                  Founded in 1978, the Callaway speed shop was an old hand at streetable, forced-induction performance by the time the C4 debuted in ’83. Chevrolet recognized its experience, and, when Callaway developed a twin-turbo package for the fourth-gen Vette, bestowed upon the kit three hallowed letters and an alphanumeric: RPO B2K. Customers could order a 1987-or-later Vette with 150 additional horsepower straight from the factory and enjoy Chevrolet’s original year-long new-car warranty.

                  Once Callaway got a taste for forced-induction Chevy performance, there was no looking back. Enter the Sledgehammer, an 880-hp monster that would earn the title of fastest street-legal Corvette in 1988 and retain the crown for eleven years. #51 is the one-off, 255-mph king of Callaway, and it’s up for sale right now on Bring a Trailer.

                  1988 Chevrolet Corvette Callaway SledgeHammer BaT
                  Bring a Trailer

                  If you’re not familiar with the Sledgehammer, you may find it a bit underwhelming, at first glance. Streetability was a critical component of the build, for Callaway, and-unless you look under the hood-the Sledgehammer wears its brutality in an understated fashion. Keen eyes will spot the non-factory brake ducts integrated into the Callaway-built AeroBody exterior, the roll cage, and the center-exit quad exhaust (our favorite feature). The interior is a similar story: the racing harnesses, supercharger gauge, and Callaway badging are the only cues that you’re sitting in a 255-mph monster. Compared to today’s 200-mph candidates, even the 275-width Goodyears seem modest.

                  Pop the hood, and all illusions of modesty vanish. Stuffed between the front wheels is a blueprinted, dry-sump, 5.7-liter Chevrolet Performance “Bow-Tie” four-bolt-main small-block topped with Brodix aluminum heads and fortified with a Cosworth crankshaft, forged Mahle pistons, and forged connecting rods. Two Turbonetics TO4B turbochargers force-feed the engine up to 22 psi of boost, and it exhales through 321-stainless-steel headers and a quad exhaust fitted with four SuperTrapp diffuser disc mufflers. Not a single emissions control is present.

                  1988 Chevrolet Corvette Callaway SledgeHammer BaT exhaust diffuser quad
                  Bring a Trailer
                  1988 Chevrolet Corvette Callaway SledgeHammer BaT interior console shifter
                  Bring a Trailer
                  1988 Chevrolet Corvette Callaway SledgeHammer BaT engine
                  Bring a Trailer

                  The combination made 880 hp at 6250 rpm and 772 lb-ft of twist at 5250 rpm. Callaway’s monster Vette made nearly double the power of the Lamborghini Countach (420) or the Porsche 959 (450). In 1988, this was insanity.

                  A ZF six-speed manual-not the Doug Nash ‘box used in the record run-sends power to a 3.54 rear end, and Dymag one-piece magnesium wheels clad in 275/40 Goodyears put all 880 hp to the pavement. (Bring a Trailer is careful to specify that these are not the bespoke, 300-mph-rated shoes Goodyear designed for the top-speed attempt.) Dual-piston calipers clamp 13-inch ventilated rotors in the front and 11.5-inchers in the rear.

                  The Sledgehammer proved its mettle by shuttling John Lingenfelter from Old Lyme, Connecticut to the 7.5-mile oval at Transportation Research Center in East Liberty, Ohio-a trek of nearly 700 miles-before, on October 26, 1988, laying down its record-setting top-speed of 254.76 mph with him behind the wheel.

                  1988 Chevrolet Corvette Callaway SledgeHammer BaT vintage
                  Bring a Trailer

                  The world took notice. Hot Rod lavished the Sledgehammer Corvette in praise, voting Callaway’s twin-turbo engine among the best motors of ’89 and the whole car into its top-ten list of ’80s decade. Road and Track called it a “twin-turbo Lambo-baiter in plainclothes.” In recent years, the Sledgehammer’s mystique is only increasing: in 2013, it was inducted into the Bloomington Gold Great Hall.

                  “It is maybe the most famous C4 Corvette of them all and certainly the most famous Callaway,” says Hagerty’s senior auction editor Andrew Newton. “It’s a one-off, and its top speed rivals seven-figure supercars even 30+ years after it was built.”

                  1988 Chevrolet Corvette Callaway SledgeHammer BaT front
                  Bring a Trailer

                  This beast came to auction at Barrett-Jackson’s 2004 Scottsdale sale, where it sold for $221,400 only to resurface ten years later with a $600,000 no-sale at Mecum’s 2014 Kissimmee event. Needless to say, the Sledgehammer has lived a pampered life since its history-altering performance; it showed only 2120 miles in 2014, and Bring a Trailer notes only 2K today. What might it go for? It’s anyone’s guess. As of this writing, the auction has been live for less than a day, and bidding has already skyrocketed to $425,476.

                  Its days of on-asphalt anger may be over, but this silver bullet is still capturing well-deserved attention.

                  Enjoying this article? Sign up for Hagerty’s newsletters to see more like it.



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