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CRITICAL MASS
Don and Laura Buttrams' 1963 Impala
GENERAL SPECS
BODY TYPE: Two door hardtop
COLORS: House of Colors Custom Mix Blue and Pearl
BUILT BY: Don Buttram and Performance Paint and Chassis, Springfield Mo
Best E.T. to date - 9.84 @ 136mph
Best 60' - 1.33
FRAME: 1.625" Round tube with Funny Car cage
REAR SUSPENSION: 1.250" moly tube four link with coil-overs
FRONT SUSPENSION: Moly A-arms with coil-overs
REAR-END HOUSING: Ford 9" with Strange 35-spline axles and center section
GEAR RATIO: Richmond 4.56
BRAKES: JFZ four wheel disc
WHEELS AND TIRES: Weld Racing Draglites on GOODYEAR EAGLES WWW.GOODYEAR.COM
ENGINE AND TRANSMISSION
TYPE: 1973 454 bored to 468 c.i.d., 12.5 to 1 compression. Horsepower (approx. 650)
RECIPROCATING ASSEMBLY: GM steel crank, GM dimple rods, TRW forged pistons
CAMSHAFT: Comp Cams roller, 278/282 duration, .680"/.714" lift
CYLINDER HEADS: GM Aluminum Bowtie
VALVETRAIN: Crane roller rockers, Comp Cams pushrods, valve springs, locks, retainers
INDUCTION: Dart intake manifold with 1050 cfm Dominator
IGNITION: MSD 7AL2 box, Billet distributor, crank trigger
EXHAUST: Hooker HPC Coated Step Header 2.250" to 2.375", 5" collector
TRANSMISSION: Art Carr Turbo 400 with 5,500 rpm stall converter
BODY
PAINT AND BODYWORK BY: Performance Paint and Chassis
MODIFICATIONS: One piece fiberglass front clip, fiberglass trunk lid and rear bumper
MODIFICATIONS: Firewall moved back 8", shaved drip rails, dechromed
TINWORK: Black powdercoated aluminum
GRAPHICS AND PINSTRIPING: Danny Taylor, Louisville KY.
