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Pontiac Pavement Pounders Shootout SoCal Edition, Part II

Pon 0510 Shoot 20 Z
Strip Specs
Year/Model: '69 GTO
Race Weight: 3,750 lbs
Curb Weight: 4,050 lbs
Engine: '70 XF
Cubic Inches Before/After Bore: 455/468
Compression Ratio: 9.2:1
Built By: Owner
Fuel Used: 91-octane unleaded
Carburetor: Rochester Quadrajet, factory jetting
Spacer Plate: 1-in wood
Intake Manifold: Edelbrock Performer RPM
Fuel System: Mallory 140 pump, Mallory fuel-pressure regulator and 5/8-in lines
Heads: '76 6X-8
Head Porting: By SD Performance to flow 265 cfm intake at 0.550-in lift
Valves: 2.11/1.77 Ferrea stainless
Pistons: KB hypereutectic flat-top, 4.21-in bore
Piston Rings: Total Seal Moly top, cast-iron second, file-fit
Rods: Stock cast No. 541000, ARP rod bolts
Crankshaft: Stock GM nodular iron, 4.21-in stroke
Rotating Assembly Balanced: Yes
Camshaft: Crower flat-tapped mechanical, 240/248-deg duration at 0.050, 0.477/0.501 lift with 1.65:1 Comp Cams roller rockers, 112-deg LSA, 108-deg lobe centerlines
Installed Position: 6-deg advanced
Distributor: GM HEI with Jacobs Fire Control
RPM When Total Timing Is Achieved: 32 deg at 3,000
Exhaust: Hooker Super Comp headers, 1.75-in primaries, 3-in collectors, SpinTech X-pipe, 2.5-in mufflers
Power Adder: None
Transmission: Turbo 400 automatic, governor set to shift at 5,000 rpm
Converter: Pontiac Special 10-in, 2,800 stall
Shifter: Stock GTO
Rear: Stock GM 10-bolt, 3.55 gears, Auburn posi, steel axles
Brakes Front: GM discs 10.9-in
Brakes Rear: GM drums 9.5-in
Wheels/Tires Front: 15x7-in Rally IIs / BFG T/As 245/60R-15
Wheels/Tires Rear: Custom 15x9-in Rally IIs / Hoosier QuickTime 28x11.5x15
Tire Pressure Front/Rear: 32 psi/15 psi
Suspension Front: Stock springs, factory 1-in swaybar, Edelbrock IA shocks
Suspension Rear: Stock, boxed lower control arms, polyurethane bushings, airbags, 1-in rear swaybar
Chassis Modifications: None
Interior Modifications: None
Exterior Modifications: None
Safety Modifications: Driveshaft safety loop
Launch Technique: Footbrake launch at 1,000 rpm
Best ET/MPH Prior to Event (1/4-Mile): 12.93 at 105

Strip Tuning Log

Run

Tuning

Launch RPM

Shift Point

60-FT

1/8 E.T./MPH

1/4 E.T./MPH

Corrected 1/4 Mile

1. 32 deg timing, 15 psi tires 1,000 5,000 1.85 N/A 13.12/102.8 12.69/106.26
2. 34 deg timing 1,000 5,000 1.88 N/A 13.20/102.0 12.77/105.43
3. 38 deg timing 1,000 5,000 1.99 N/A 13.36101.9 12.93/105.33
4. 32 deg timing, 14 psi tires 1,000 5,000 1.91 N/A 13.37/101.1 12.94/104.50
5. 32 deg timing 1,000 5,000 1.88 N/A 13.12/103.1 12.69/106.57
6. 30 deg timing 1,000 5,000 1.89 N/A 13.18/102.4 12.75/105.85
Run Analysis: Run 1) best run at LACR; Run 3) poor traction; Run 5) after cooldown

Pon 0510 Shoot 05 Z Pon 0510 Shoot 18 Z Pon 0510 Shoot 19 Z

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Pontiac G6 Research
Pontiac G6 When looking for your next vehicle, think about the Pontiac G6, a stylish car with nice features. The G6 has a $1,250.00 cash rebate, which will help you save money on your next new car purchase. It can seat 5 people comfortably. You may also be interested in the Pontiac Solstice and the Pontiac Vibe.

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