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Pure-Stock Shootout Part VI - Pontiac Pavement Pounders

Engine Battles Firebird Engine Battles 650 Ho Engine Battles Tom Miller
Strip Tuning Log
Run/TuningLaunch RPMShift Pt.60-ft.1/8-mile1/4-mile
1 Sec. rod hanger I1,7005,6002.048.7/81.9213.49/105
2 Sec. rod hanger K1,7005,5002.048.6/82.0513.48/105
3 Sec. rod hanger M1,8005,700 2.03 8.7/82.2213.47/105
4 Sec. rod hanger G1,8005,500 2.02 8.6/81.9113.47/105
5 Same1,8005,600 2.05 8.6/82.3313.46/105
Best Pass Corrected13.22/106.94
Run Notes: None

Strip Specs
Year/Model’69 Firebird 350 H.O.
Race Weight With Driver3,492 lbs
Curb Weight3,350 lbs
Fuel Level When Last WeighedFull
FuelTorco 105-octane
EngineMatching-numbers original 350 block
Cubic Inches Before/After350/366
Engine Built ByBrian McDowell and owner

Induction System
Air CleanerStock single snorkel with ACDelco filter
CarburetorOriginal 750-cfm Q-jet, 7029268
Primary Jets0.071-in
Primary Metering Rods0.044-in “BE”, 0.041-in tip
Secondary Metering RodsN/A
Secondary HangerI
Intake ManifoldStock cast iron

Fuel System
PumpStock ACDelco replacement, high volume
LinesStock 3/8-in

Heads
Casting’69 No. 48
Head PortingNone
Flow NumbersN/A
ValvesStock 2.11/1.77-in supplied by Eaton

Bottom End
PistonsSpeed-Pro cast, +0.060-in, flat-top, four-valve reliefs
RingsMoly
RodsStock cast, 6.625-in
Compression Ratio10.2:1
CrankshaftStock crank offset ground 0.012-in (3.87-in stroke) to achieve zero deck
Rotating Assembly BalancedYes

Camshaft
BrandHydraulic Cam Motion regrind of “067”
Duration at 0.050200/212-deg
Duration Advertised273/289-deg
Lift with specified rocker arms0.415/0.415-in
Lobe Separation Angle112-deg
Installed PositionStraight Up
Rocker ArmsStock Pontiac 1.50:1 stamped steel

Ignition
DistributorStock Pontiac points-type
AmplifierN/A
CoilPertronix Flame-Thrower
WiresPertronix 7mm “stealth,” stock look
Spark PlugsAC R45
Total Timing38-deg
RPM That Total Timing is Reached2,200

Exhaust
ManifoldsStock log-type
Exhaust Pipes2.5-in Pypes
MufflersWalker Super Turbo PN 17734, 2.5-in side in/side out
Crossover2.5-in Pypes X

Drivetrain
TransmissionTurbo-400 with factory shift kit, AmsOil fluid
ConverterStock GM, 1,700-rpm stall speed
ShifterStock
RearGM 8.2-in 10-bolt, synthetic fluid
Rear Gear Ratio4.11:1
PosiEaton
AxlesStock

Chassis and Suspension
Brakes F/RStock 9.5-in drums
Wheels F/RStock 14x6-in steel
Tires F/RG70-14 Firestone Wide-Oval red lines
Tire Pressure F/R43 psi / 43 psi
Suspension Fr: SpringsStock GM coils
Control ArmsStock
Stabilizer BarStock GM
ShocksMonroe Gas Suspension Rr:
SpringsStock
Stabilizer BarNone
ShocksMonroe Gas
Chassis ModsNone

The Rest
Safety ModsDriveshaft loop
PaintPPG Carousel Red
Launch TechniqueFloor it on last yellow from idle
Best 1/4-mile E.T./MPH prior to event13.63/102


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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.

Related Photos

Engine Battles 1969 Firebird Engine Battles Gto
Engine Battles 1970 Gto Engine Battles 350 Ho

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