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Pontiac Pavement Pounders Shootout - Virginia Motorsports Park Part 1

Shoot Burning Rubber 5 Shoot Motor 3 Shoot Pose 3
Strip Tuning Log
Run/TuningLaunch RPMShift Pt.60-ft.1/8-mile1/4-mile
1. No preload on CalTracs2,7005,0001.567.19/94.2911.37/116.95
Shocks set on 5
2. Same2,7005,0001.537.14/94.3011.33/116.78
3. Same2,7005,0001.527.12/94.5611.30/117.05
Best Pass Corrected10.88/121.12
4. Same2,7005,0001.537.14/94.3911.32/117.49
6. Same2,7005,0001.567.19/94.1211.37/117.57
Best of 5 passes listed
Run Notes: None

Strip Specs
Year/Model'84 Trans Am
Race Weight With Driver2,935 lbs.
Curb Weight2,760 lbs.
Fuel Level When Weighed2.5 gallons
Fuel110-octane
Engine'72 400
Cubic Inches Before/After400/406
Engine Built ByOwner/Spotts Performance
Power AdderNone

Induction System
Air Cleaner5-in K&N Velocity stack
CarburetorHolley 850 cfm
Jets No. 84 square
Spacer Plate2-inch open, phenolic
Intake ManifoldTorker II

Fuel System
PumpHolley Black 140 gph
Lines8 AN from cell to regulator, dual 6 AN
 from regulator to carb
RegulatorMallory 8.5 psi

Heads
Casting'67, No. 670
Head PortingRick Garden
Flow NumbersN/A
Valves2.11/1.77-in Ferrea SS

Bottom End
PistonsTRW forged flat-top 4.15-in
RingsHastings moly
RodsStock reconditioned with ARP bolts
Compression Ratio10.4:1
CrankshaftStock cast, 3.75-in stroke
Rotating Assembly BalancedYes

Camshaft
BrandLunati solid flat-tappet
Duration at 0.050262/272-deg
Duration Advertised300/310-deg
Lift With Specified Rocker Arms0.575/0.578-in
Lobe Separation Angle106-deg
Installed Position104-deg
Rocker ArmsScorpion 1.5:1 roller

Ignition
DistributorMSD Pro-Billet
AmplifierMSD 6AL
CoilMSD Blaster 2
WiresMSD Super Conductors 8.5mm
Spark PlugsAC Delco R45S
Total Timing36-deg
Rpm that total timing is reached2,200

Exhaust
HeadersModified Hooker
Primaries1.75-in
Collectors3.00-in
Exhaust Pipes3-in
MufflersNone
CrossoverNone

Drivetrain
TransmissionTurbo 400, reverse manual valve body
Converter10-inch Dynamic, 4,200-rpm stall
ShifterB&M Pro Ratchet
RearMoser 12-bolt
Rear Gear Ratio4.10:1
SpoolMoser
AxlesMoser 33-spline

Chassis and Suspension
Brakes F/R Wilwood 11-in discs
Wheels F/RWeld Draglites 15x3.5 / 15x10
Tires F/RM/T ET Fronts 27.5x4.5 / Hoosier 29x10x15 slicks
Tire Pressure F/R35 psi/16 psi
Suspension Front
SpringsHotchkis 1-in lowered
Control ArmsPerformance Automotive Tubular
Stabilizer BarRemoved
StrutsLakewood 90/10 drag
Other FeaturesPerformance Automotive Tubular
K-member
Suspension Rear
SpringsHotchkis 1-in lowered
Control ArmsLakewood boxed lowers
Stabilizer Bar1-in AFCO
ShocksGabriel Gas
Other Features S&W Adjustable panhard bar,
Jegster tunnel mounted torque arm
Chassis Mods10-point S&W cage,
CE frame connectors

The Rest
Interior ModsGutted, Summit race seats
Exterior ModsA&A hood scoop, VFN fiberglass doors
and hood, homemade Lexan windows,
changed roof from T-top to non T-top
Safety Mods5-point harness, driveshaft loop, tran
blanket, rollcage, SFI-approved drivetrain parts
PaintMetallic Silver
Launch TechniqueFootbrake to 2,000 rpm
Best 1/8-mile ET/MPH prior to event6.85/99
Best 1/4-mile ET/MPH prior to event10.84/122


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Shoot Burning Rubber Shoot Burning Rubber 3
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