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Robert's AntiNova

1974 Pontiac Ventura

GTO 455 Pontiac

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Build Points

33

  • Color: Fernmist Green
  • Horsepower: 550
  • Drivetrain: RWD
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  • Vehicle Overview

    This is my 1974 Pontiac GTO. It has a Pontiac 455 that’s been bored and stroked for a total of 467cid. The rotating assembly consists of an Eagle cast steel crank, Eagle forged h beam rods, and Ross forged pistons. The valve train has a Comp hydraulic roller cam spec’d at 242/248 @ .050 w/ .540/.545 lift and a 112lsa, Lunati roller lifters, Trend pushrods, and Scorpion 1.5:1 roller rockers. The heads are Kauffman aluminum D ports w/ 85cc combustion chambers yielding 10.25:1 compression. They have 2.11/1.66 valves that flow 310cfm on the intake side and 242cfm on the exhaust. Topping them off is an Edelbrock Performer RPM intake and Screamin Demon 850cfm carb. Exhaust exits through a set of Crager Hotpipes long tube headers, 3” pipes, and 3” Flowmaster Super 40 mufflers. The transmission is a Th400 w/ FTI manual reverse valve body and transbrake. Torque converter is a custom spec 9.75” Circle D Specialties 3600 stall. Insuring the driveshaft stays in place is a Ram Air Restoration’s safety loop. The rear differential is a 8.5” 10 bolt housing an Eaton posi unit, Richmond 3.73 gears, Moser axles with 1/2” wheel studs, and an aluminum Moser diff cover. The front suspension was rebuilt with new ball joints and polyurethane bushings. 2” drop spindles and stock coil springs were used with competition engineering 3 way adjustable shocks. Rear suspension has stock leaf springs and air shocks that were relocated inboard of the leafs. Caltracs low profile traction bars were installed along with a set of bolt in subframe connectors. Bringing the car to a stop is a hydraulic assist brake booster and aluminum master cylinder. Fluid is sent to the calipers via new brake lines and steel braided hoses. Up front are 12” drilled and slotted rotors and out back are 4th gen Camaro disc brakes. For drag racing Warrior Rt wheels were used all the way around. 15x4 in front w/ 26x6 m/t sportsman’s and 15x8 in the rear w/ 275/60r15 m/t et streets. For street driving 17x7 Torque Thrust IIs are used w/ 225/50r17 Yokohama tires. The exterior paint is factory Fernmist Green and stock other than sectioned and tucked bumpers. The interior is mostly stock other than 5 additional autometer gauges and a TCI Outlaw shifter.

    Future Plans

    In the future I would like to - •Upgrade the fuel system •Install a nitrous kit •Install Calvert leaf springs and shocks •Install Moroso Trick Springs •Vintage Air •Possibly an overdrive of some sort

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