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Pontiac Pavement Pounders Shootout: Ladies' Day

0412Pon Shoot 18 Z 0412Pon Shoot 21 Z
0412Pon Shoot 20 Z
Strip Specs
Year/Model: '66 GTO-original 4-barrel, 4-speed car
Race Weight: 3,115 lbs
Engine: '71 YC-code 455
Cubic Inches Before/After: 455/462
Compression Ratio: 12.5:1
Built By: Performance Clinic, Beaver Creek, OH
Fuel: 100-octane Turbo Blue
Carburetor: 1050 Holley Dominator, #91/93 jets
Spacer Plate: 2"
Intake Manifold: Edelbrock Victor
Fuel system: Holley Blue Pump 120 gph, 1/2" fuel lines, no return line, 9 psi
Heads: Edelbrock, ported, 2.11/1.77 Manley stainless steel valves
Flow Numbers: 320-cfm intake, 267-cfm exhaust at .600" lift, 28" of water
Pistons: Ross forged flat-top 4.18" bore (455 + .030")
Rings: Speed-Pro
Rods: BME aluminum, stock length
Crankshaft: Stock 455 nodular-iron
Rotating Assembly Balanced: Yes
Camshaft: Comp Cams flat-tappet solid-lifter 274º/283º duration at .050, .648/.656 lift with Harland Sharp 1.65:1 aluminum roller rockers,108º LSA and centerline
Camshaft Installed Position: Straight up
Distributor: GM points-type
Total Timing: 36-38 at 2,400 rpm (varies by track tuning)
Exhaust: Hedman Husler Hedders, 2", primaries 3.5" collectors, 12" collector extensions
Power Adder: None
Transmission: Turbo 400, built by Auto Tech, reverse manual valve body
Converter: TCI 8", 4,500 rpm stall
Shifter: Hurst
Rear Type/Ratio: GM 12-bolt, 3.73 gears, 31-spline axles, Strange spool
Brakes F/R: Factory GM drums
Wheels/Tires, Fr: Fenton 15x5/Moroso 29x7.6x15 tires
Wheels/Tires, Rear: Centerline 15x10/Hoosier 29x12x15" slicks
Tire Pressure: 40 psi/10 psi
Suspension Front: Stock-type Monroe replacement shocks, no front sway bar
Suspension Rear: Stock-type Monroe replacement shocks, Jeg's adjustable upper and lower control arms
Chassis Modifications: Jeg's 6-point rollcage
Interior Modifications: Jeg's poly. race seat
Exterior Modifications: Fiberglass hood with scoop, fiberglass deck lid, front and rear bumpers
Safety Modifications: Jeg's 6-point rollcage, driveshaft safety loop, RCI 5-point safety harness, SFI-approved drivetrain parts
Launch Technique: Foot brake to 3,500 rpm
Best e.t./mph Prior to Event (1/4-Mile): 10.38 at 127.84
Best e.t./mph Prior to Event (1/8-Mile): 6.57 at 103.81

Strip Tuning Log
Run Tuning Launch RPM Shift Point 60-FT 1/8-Mile 1/4-Mile
1. See Specs 3,500 6,400 1.47 6.61/n/a 10.45/126.3
2. Same 3,500 6,400 1.49 6.59/n/a 10.39/127.92
3. Same 3,500 6,400 1.54 6.64/n/a 10.43/128.32
4. Same 3,500 6,400 1.54 6.75/n/a 10.57/127.92
Notes
Run 1: Good 60-ft; Run 3: Pull to right; Run 4: Scary pull to right

0412Pon Shoot 23 Z 0412Pon Shoot 25 Z
0412Pon Shoot 24 Z
Strip Specs
Year/Model: '99 GTP
Race Weight: 3,540 lbs
Engine: '99 L67 3800 Supercharged V-6
Cubic Inches Before/After: 231/231
Compression Ratio: 8.5:1
Built By: GM
Fuel: Sunoco 104-octane unleaded
Air Box: Thrasher, 9" cone
MAF/Throttle Body: ZZP Stage 2 72mm
Injectors: 36 lb-hr
Intake Manifold: Factory GM
Fuel System: Stock GM
Heads: '99 L67, unported, stock 1.80/1.52 valves
Piston: Stock GM hypereutectic
Rings: GM factory
Rods: Stock powdered-metal
Crankshaft: Stock nodular-iron
Rotating Assembly Balanced: Stock
Camshaft: Comp Cams hydraulic roller, 206º/218º at .050, .520/.536 lift with stock 1.6:1 roller rockers, 115º LSA
Distributor: Stock GM crank trigger
Total Timing: DHP "Happy Knob" for in-car timing control
Exhaust: The Other Guys headers, 1 5/8" primaries, 2.25" crossover, 3" collectors, SLP exhaust with 2 1/2" pipes
Power Adder: Factory GM model 90 supercharger, Pulley Boys 3" pulley, 14-psi boost
Transaxle: Stock 4T65-E HD, 2.93:1 final drive ratio
Shifter: Stock
Brakes F/R: Production 10.9"
Wheels/Tires Fr: Stock Pontiac 16" 5-spoke aluminum/Hoosier QTP 26x9.5x16 slicks
Wheels/Tires Rr: Stock Pontiac 5-spoke aluminum/225/60-16 Goodyear all-season radials
Tire Pressure: 13 psi front
Suspension F/R: Stock, Pace Car springs, KYB struts
Chassis Modifications: None
Interior Modifications: None
Exterior Modifications: None
Safety Modifications: None
Custom Computer Programming: By Digital Horsepower
Launch Technique: Foot brake to 2,000 rpm
Best e.t./mph Prior to Event (1/4-Mile): 13.20 at 104

Strip Tuning Log
Run Tuning Launch RPM Shift Point 60-FT 1/8-Mile 1/4-Mile
1. DHP Adv 1º 2,000 6,400 2.02 8.66/83.23 13.33/106.95
3. Same 2,000 6,400 1.98 8.50/84.65 13.11/108.24
5. DHP 0º 2,000 6,400 2.43 8.79/86.08 13.34/108.19
6. DHP Adv 1º 2,000 6,400 1.85 8.26/84.53 12.88/107.70
8. Same 2,000 6,400 1.86 8.24/85.03 12.83/107.28
Five most important passes are listed here in the order that they occurred
Notes
Run 1: Needed more throttle; Run 3: Knock too high & hot lap; Run 5: 60-ft bad;
Run 6: Good 60-ft, low knock; Run 8: Same with better launch


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