1969 Chevrolet Corvettes - Drag Strip Domination

Terry And Julie Pennington Put The Pure Stock And F.A.S.T. Drags In An L88-Powered Tap-Out Submission

Tom Shaw May 12, 2009 0 Comment(s)
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In eliminations at Martin, Terry went out in the first round. Savvy racers told us that big things would happen at the season finale in Virginia in October. They were right.

Owned by Terry Pennington, Mishawaka, Indiana

Production '69 T-Top Corvette
Paint: Monaco Orange by Piper's Auto Alley, Mishawaka, Indiana

Frame: Production '69 Corvette
Suspension: Stock GM front/rear
Steering: Stock GM manual steering
Brakes: Wildwood brakes, front/rear
Wheels: OEM-style Rally wheels, 15x8 in front/rear
Tires: Reproduction Firestone Wide Oval RWL F70 x 15-in bias plys
Shocks: QA1 Drag Shocks, front/rear

L88-based Chevrolet Mark IV overhead-valve V-8
Built by: Shaker Racing Engines, Granger, Indiana 4.375 x 4.250 bore x stroke, Diamond pistons, Bullet solid roller camshaft (0.710-in lift, 270/270 deg duration at 0.050-in. lift), Crane valvesprings, Ferrea titanium valves, 2.30-in intake/2.19-in exhaust, Jesel 1.7:1 Sportsman roller rockers, GRP 6.375-in aluminum rods, block clearanced for rods
Displacement: 511 ci
Compression ratio: 16:01
Cylinder heads: Original GM aluminum castings, PN 3946074, ported and polished, exhaust ports converted to D-profile
Ignition: Magnetic pickup distributor, Digital 7 MSD ignition box, Brisk Spark Plugs, FireWire plug wires
Induction: Stock GM cast aluminum intake, PN 3933198, flowed by Wilson Manifolds, Ft. Lauderdale, FL
Carburetor: Holley 850 double-pump built by Patrick at Pro Systems, Muskegon, Michigan
Exhaust: OEM cast-iron exhaust manifolds, PN 3880827 left, 3880828 right, ported by Gessler head porting, then Extrude Honed, 2.5-in aluminized steel pipe, Walker DynoMax UltraFlo mufflers
Horsepower: 430 at 5,200 rpm (Advertised)
Torque: 460 lb-ft at 3,400 rpm (Advertised)

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GM Turbo 400 three-speed automatic, Yank 11-in torque converter, 2,600- stall speed
Built by: John Kilgore, Sun Valley, California
Shifter: Stock GM
Rearend: GM 12-bolt Positraction differential, 4.10:1 ring-and-pinion

Stock GM
Instrumentation: Stock GM gauges, plus Auto Meter Sport Comp tach
Sound system: Radio delete


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