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Pontiac Pavement Pounders Shootout SoCal Edition, Part IV

Pon 0512 Shoot 12 Z
Strip Specs
Year/Model: '64 GTO
Race Weight: 3,420 lbs
Curb Weight: 3,210 lbs
Engine: 455
Cubic Inches Before/After: 455/462
Compression Ratio: 13.0:1
Built By: Owner
Fuel: C-12 VP
Carburetor: Demon 850
Jets: No. 85 primary/No. 89 secondary
Spacer Plate: Edelbrock 1-in
Intake Manifold: Edelbrock Torker II
Fuel System: Holley 250 fuel pump, 0.5-in aluminum lines from tank to Holley regulator set at 8 psi, 0.5-in aluminum return line
Heads: '67 No. 670
Head Porting: Yes, 285-cfm intake, 210-cfm exhaust
Valves: 2.12/1.77 Manley stainless
Pistons: Ross forged, 4.181 bore (455 + 0.030)
Rings: Dykes top/Total Seal
Rods: Eagle forged, stock length
Crankshaft: Stock nodular iron
Rotating Assembly Balanced: Yes
Camshaft: Comp Cams flat-tappet with 290/308-deg duration advertised, 0.565-in lift with 1.5:1 Harland Sharp roller rockers, 102-deg lobe centerline
Camshaft Installed Position: Advanced 4 deg
Ignition: GM HEI with MSD 6AL
Total Timing: 36 deg at 2,000 rpm
Exhaust: Doug's Headers 1.875-in primaries, 3.5-in collectors
Power Adder: None
Torque Converter: TCI 10-in, 3,800-stall speed
Transmission: Turbo 400, manual reverse valvebody, transbrake
Shifter: B&M
Rearend/Final Drive: GM 12-bolt 4.10 gears, posi
Brakes Front: Wilwood disc
Brakes Rear: Stock 9.5-in drums
Wheels/Tires Front: Weld 15x4-in/Goodyear 28x4.5x15
Wheels/Tires Rear: Weld 15x10-in/M/T 28x12.5 slicks
Tire Pressure Front/Rear: 35 psi/13 psi
Suspension Front: Stock
Suspension Rear: Stock
Chassis Modifications: Six-point CM rollbar, tied into stock rear suspension mounts
Interior Modifications: Stock, except rear seat removed
Exterior Modifications: VFN Fiberglass hood
Safety Modifications: Rollbar and driveshaft loop
Custom Computer Programming: None
Launch Technique: Transbrake shallow stage, 3,600 rpm
Best ET/MPH Prior to Event (1/4 Mile): 11.39 at 4,000-ft elevation

STRIP TUNING LOG
Run Tuning Launch RPM Shift Point 60-FT ET/MPH 1/8-Mile 1/4 E.T./MPH Corrected 1/4-Mile
1. Slicks 13.5 psi, 36 deg timing 3,600 5,800 1.59 7.25/94.07 11.43/117.24 11.06/121.19
2. Slicks 13 psi 4,000 6,000 1.60 7.31/94.69 11.46/117.63 11.09/121.59
3. Slicks 12.5 psi 4,000 5,500 1.64 7.33/94.41 11.48117.56 11.11/121.52
4. Slicks 13 psi 3,800 6,000 1.69 7.42/NR 11.60/117.26 11.22/121.21
5. Same 4,000 5,800 1.66 7.45/93.30 11.65/116.77 11.27/120.70
Run: 1) Good pass for altitude and air. Track condition good; 2) Raised launch and shift points; 3) Mid-day pass 2:59, Alt. change 1,000 ft. up; 4) 4,313 ft, track cold and slippery, spun tires; 5) Track cold and slick, spun bad.

Pon 0512 Shoot 02 Z Pon 0512 Shoot 10 Z Pon 0512 Shoot 11 Z

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Pon 0512 Shoot 01 Z Pon 0512 Shoot 09 Z
Pon 0512 Shoot 35 Z Pon 0512 Shoot 01 Z

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