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Pontiac Pavement Pounders Shootout SoCal Edition, Part I

Pon 0509 Shoot 22 Z
Strip Specs
Year/Model'66 GTO
Race Weight3,715 lbs
Curb Weight3,515 lbs
Engine'78 400, code X7
Cubic Inches Before/After Bore400/467
Compression Ratio12.5:1
Built ByDave Bisschop of SD Performance
Fuel112-octane
Carburetor1050 Holley Dominator, flows 1,135 cfm
Jets Front/RearNo. 92/No. 93
Spacer Plate1-in
Intake ManifoldHolley Street Dominator, modified to accept Dominator by SD Performance
Fuel SystemHolley 350 GPH electric pump, No. 8 and No. 10 AN lines
HeadsEdelbrock 72 cc, SD Performance
Head PortingYes, 323.30-cfm intake, 252.30-cfm exhaust
Valves2.19/1.77-in Ferrea stainless steel
Pistons/RingsRoss forged, 4.18-in bore/ Speed-Pro plasma moly
RodsEagle forged, 6.8-in length
CrankshaftEagle cast, 3-in mains, 4.25-in stroke
Rotating Assembly BalancedYes
CamshaftComp Cams mechanical roller, 284/288 deg duration at 0.050, 0.660/0.726-in lift with Crane 1.65:1 roller rocker arms,106-deg LSA, 102-deg centerline
Installed PositionStraight Up
IgnitionMSD billet dist., Digital 6 Plus box
Timing34-deg total, locked in
ExhaustDoug's Headers, 17/8-inch primaries, 3 1/2-inch collectors, 3 1/2-inch MagnaFlow mufflers
Power AdderNone
ConverterTCS Race Master 8-in, 4,200-stall
TransmissionTurbo 400 with shift kit, transbrake, and Hurst Quarter Stick shifter
RearGM 12-bolt, 3.90 gears, posi
Brakes FrontGM 10.9-in discs
Brakes RearGM 9.5-in drums
Wheels/Tires FrontCenterline 15x6-in/Pep Boys 155/75-15
Wheels/Tires RearCenterline 15x10-in/ Mickey Thompson 28x10.5x15
Tire Pressure Front/Rear50 psi/12 psi
Suspension FrontStock GM with Competition Engineering three-way shocks, stock springs cut 1 in
Suspension RearRear sway bar, Competition Engineering shocks, stock springs cut 11/2 in
Chassis ModificationsEight-point rollcage
Interior ModificationsRear seat removed
Exterior ModificationsNone
Safety ModificationsCutoff switch, rollcage, driveshaft loop, five-point harness, HJC helmet
Launch Technique3,700 rpm on the transbrake launch
Best ET/MPH Prior to Event (1/4-Mile)10.57 at 125.50 mph

Strip Tuning Log
Run #/TuningLaunch RPMShift Point60-Foot TimeET/MPH 1/8-MileET/MPH 1/4-MileCorrected 1/4-Mile
1. Jets No. 92/93 12-psi tire pressure3,7005,8001.526.94/98.1410.96/121.9210.60/126.03
2. Same4,0005,8001.506.91/98.4210.91/122.1210.56/126.23
3. Same4,0006,0001.526.92/98.6310.92/122.2910.57/126.41
4. Same except 14-psi tire pressure4,0006,2001.52N/A10.94/122.2610.58/126.38
5. Same4,2005,8001.51N/A10.94/121.9110.59/126.02
Run Analysis: Run 2) wow! Run 3) mild slippage

Pon 0509 Shoot 19 Z Pon 0509 Shoot 20 Z Pon 0509 Shoot 21 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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Pon 0509 Shoot 31 Z Pon 0509 Shoot 33 Z
Pon 0509 Shoot 32 Z Pon 0509 Shoot 1 Z

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