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Generation: C4 Year: 1984 VIN: Race Numbers: 47 Ownership: Dingman Brothers Sponsors: Valvoline Drivers: Walt Bohren(1984) Bill Dingman (1984) Status: Original Color: white w red-blue stripes going to full blue rear Tires/Wheels: BBS wheels Goodyear Racing Eagle tires Engine: Engine built by jon Zorian of ZEE Engine and Machine Built on a 1973 cast iron block Internally balanced Speed Pro pistons 11.8:1 compression L88 5140 chrome-moly crankshaft GM aluminum heads Reed camshaft Valve train uses roller tappets, Chevy pushrods, Dan Jessel rockers and a Cloyes True Roller timing chain Holly manifold Holley 4-barrel carb (either 750 or 850 cfm, by track) 20 quart Weaver dry sump Dick Simpson tuned headers and exhaust 650 HP Driveline: Tubeframe chassis designed and built by Chuck Fas, GAACO Race Shop Wiesman 5-speed transmission Borg and Beck 4-plate clutch Frnaklin qick change rear end Specially fabricated driveshaft Koni adjustable front and rear shocks Rockwell springs Lockheed AP discs Sweet Manfacturing rack and pinion steeringbox Top: Interior: Condition: URL: Rat Racer – The Dingman Brothers Lead A big Block Revoution, by Randy Black, POPULAR CARS, August 1984, pages 40-45 and 67. Unique Characteristics: Modifications: Body molds fabricated by the Dingmans using a 1973 car as the basis and then adding the 1974 (and up) wide body configuration…a nostalgia piece. Full racing interior Motorola two-way radio communication system Seat from a Porsche 935 Notes/Race History: The # 47 car was specifically built for the 1984 IMSA season. The Dingmans estimated that under the power-to-weight ratio, a big block car would give them more durability than the other small blocks. This was a bit contrary to practice at that time as the big blocks had been slowly moved out of racing, in favor of the smaller displacement engines. The car raced the 1984 season Registry ID Number: 844 View Original Size  Randy Black - Popular Cars |