TECH CHECK

Chevy High Performance - - Grand Inspiration -

Owner: Steve Preis­ter, An­dale, Kansas Ve­hi­cle: 1966 Im­pala SS

En­gine

• Type: ZZ502 Deluxe crate

• Dis­place­ment: 502 ci

• Com­pres­sion Ra­tio: 9.6:1

• Bore: 4.470 inches

• Stroke: 4.000 inches

• Cylin­der Heads: Alu­minum oval port, stain­less 2.25/1.88 valves, 110cc com­bus­tion cham­bers, 290cc in­take ports, 110cc ex­haust ports, screw-in rocker studs

• Ro­tat­ing As­sem­bly: Forged steel crank­shaft, shot-peened con­nect­ing rods, forged pis­tons

• Val­ve­train: Stamped steel 1.7:1 rocker arms, 3/8-inch pushrods

• Camshaft: Hy­draulic (0.527/0.544-inch lift; 224/234-deg. du­ra­tion at 0.050-inch), roller lifters

• In­duc­tion: Oval port dual-plane in­take man­i­fold, FAST 2.0 in­jec­tion throt­tle body, Wal­bro 450-lph in-tank pump

• Ig­ni­tion: FAST CDI, HEI dis­trib­u­tor, MSD pri­mary wires

• Ex­haust: San­der­son head­ers, 1 7/8-inch pri­mary pipes, Flow­mas­ter 40 muf­flers, custom 3-inch sys­tem by Amer­i­can Muf­fler (Wi­chita, KS)

• An­cil­lar­ies: Be Cool ra­di­a­tor, SPAL fans, Tanks, Inc. steel fuel reser­voir, Pain­less wiring in­stall by Eric Soren­son (Ben­ton, KS)

• Out­put: 508 hp at 5,200 rpm, 580 lb-ft at 3,600 rpm

• Machine Work: Chevro­let Per­for­mance

• Built By: Chevro­let Per­for­mance

Driv­e­train

• Trans­mis­sion: Chevro­let Per­for­mance Su­per­matic 4L85E, 2.48:1 Low gear, 3,000-stall Su­per­matic torque con­verter

• Rear Axle: GM 12-bolt, Ea­ton dif­fer­en­tial, 3.73:1 gears, In­land drive­shaft

Chas­sis

• Front Sus­pen­sion: 2-inch drop spin­dles, OE con­trol arms/springs, Hotchkis an­ti­sway bar, Mon­roe shock ab­sorbers

• Rear Sus­pen­sion: Hotchkis up­per and lower links, an­ti­sway bar, ad­justable Pan­hard bar, OE springs; Delco shock ab­sorbers

• Brakes: Baer 13-inch ro­tors, six-pis­ton calipers, front; Baer 12-inch ro­tors, fourpis­ton calipers, rear; Baer pro­por­tion­ing valve, GM master cylin­der

Wheels & Tires

• Wheels: Hal­i­brand Sprint II 18x7 front, 18x8 rear

• Tires: Con­ti­nen­tal Ex­tremeCon­tact DW 245/45 front, 255/55 rear

In­te­rior

• Uphol­stery: Harry Funke at Mor­ganBulleigh In­te­ri­ors (Wi­chita, KS)

• Ma­te­rial: Vinyl

• Seats: OE

• Steer­ing: ididit col­umn, Flam­ing River box, Bud­nik wheel

• Shifter: OE in con­junc­tion with a TCI pad­dle shifter and FAST con­troller

• Dash: OE, fac­tory re­fin­ished by Larry at Al­ter­na­tive Chrome Creations (Wi­chita, KS)

• In­stru­men­ta­tion: Dakota Dig­i­tal

• Au­dio: RetroSound head unit, 2x100 amps by Eric Soren­son

• HVAC: Vin­tage Air

Ex­te­rior

• Body­work: Bob Sta­ple­ton w/ Rich and

Tony at Perfection Auto Works (Ci­mar­ron, KS)

• Paint By: Bob Sta­ple­ton

• Paint: BASF Di­a­mont Ma­rina Blue

• Hood: OE

• Grille: OE

• Bumpers: OE

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