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VMP Edition Shootout Part 4 - Pontiac Pavement Pounders

1967 Pontiac Gto Tempest Burnout
Strip Tuning Log
Run/TuningLaunch RPMShift Pt.60-ft.1/8-mile1/4-mile
1.35-deg timing, 16 psi in tires1,5005,6001.808.33/81.9513.14/101.77
Best Pass Corrected12.88/103.79
2. Same, 15 psi in tires2,2006,0001.738.21/80.7513.15/97.93
3. Same2,2005,4001.788.35/80.3713.30/97.98
4. Same, 14 psi in tires1,5005,6001.848.66/77.4413.76/95.64

1967 Pontiac Gto Tempest Engine
Strip Specs
Year/Model'67 Tempest
Race Weight With Driver3,740 lbs
Curb Weight3,595 lbs
Fuel Level When Weighed½-tank
Fuel112-octane
Engine'70 WS-code Ram Air III 400
Cubic Inches Before/After400/400
Engine Built ByFrank Hanzes
Power-AdderNone

Induction System
Air CleanerK&N
CarburetorRochester '66 Tri-Power
Jets0.068/0.070/0.068
Spacer Plate5/8-in Mycarta, homemade
Intake Manifold'66 aluminum Tri-Power, ported, welded crossover

Fuel System
PumpHolley Black 140-gph
Lines3/8-in
RegulatorHolley set at 9 psi

Heads
Casting'70 No. 12
Head PortingRick Garden
Flow NumbersN/A
Valves2.11/1.77-in Ferrea stainless steel

Bottom End
PistonsTRW forged, dome
RingsSealed Power, 1/16-in, 1/16-in, 3/16-in
RodsStock, 6.625-in
Compression Ratio12.0:1
CrankshaftPontiac "N" cast crank, 3.75-in stroke
Rotating Assembly BalancedN/A

Camshaft
BrandUltradyne hydraulic
Duration at 0.050239/239-deg
Duration Advertised296/296-deg
Lift With Specified Rocker Arms0.507/0.507-in
Lobe Separation Angle110-deg
Installed PositionStraight up
Rocker ArmsHarland Sharp 1.5:1-ratio roller

1967 Pontiac Gto Tempest Owners
Ignition
DistributorMSD Pro Billet
AmplifierMSD 6AL
CoilMSD Blaster 2
WiresMSD 8.5mm
Spark PlugsAutolite AR 73
Total Timing35-deg
RPM That Total Timing Is Reached2,800

Exhaust
HeadersHooker, Jet Hot­­-coated
Primaries1.625-in
Collectors3.00-in
Exhaust PipesNone
MufflersNone
CrossoverNone

Drivetrain
TransmissionTurbo 350, street/strip shift kit, TCI sprag
Converter11-in B&M, 3,000-rpm stall
ShifterHurst Quarter Sticknbsp
RearGM 12-bolt
Rear Gear Ratio4.10:1
PosiStrange
AxlesStrange, 30-spline, welded axle tubes

Chassis and Suspension
Brakes F/RDisc/Drum
Wheels F/RRadir Tri-Ribb 14x7/15x8
Tires F/RBFG P225/70R14 / Hoosier 28x10x15 slicks
Tire Pressure F/R45 psi/15 psi
Suspension Front:
SpringsMoog, cut
Control ArmsStock
Stabilizer BarRemoved
ShocksSummit 90-10
Suspension Rear:
SpringsStock
Control ArmsSouthside Machine
ShocksCompetition Engineering
Stabilizer Bar0.875-in
Other FeaturesNone
Chassis Mods 8-point rollbar

The Rest
Interior Mods'65 GTO seats, '66 GTO dash
Exterior Mods'67 GTO hood, grilles, and bright trim
Safety ModsSFI-approved drivetrain parts, driveshaft safety loop, C-clip eliminator, TCI flywheel
ColorTorch Red
Launch TechniqueFootbrake off idle
Best 1/8-mile E.T./MPH Prior to Event7.35/92.21
Best 1/4-mile E.T./MPH Prior to Event12.25/108


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