High Performance Pontiac Homepage High Performance Pontiac

Pontiac Pavement Pounders Shootout - Pontiac Heaven/Speedworld Motorplex Edition

Pavement Pounders Speedworld Motorplex 1978 Trans Am Launching Pavement Pounders Speedworld Motorplex Alan Monroe
Pavement Pounders Speedworld Motorplex 1978 Trans Am Engine Bay
STRIP TUNING LOG
Run/TuningLaunch RPMShift Pt.60-ft1/8-mile1/4-mile
1. 36-deg timing; M/T drag radials; 22 psi2,0006,500N/AAborted pass
2. Same; new belts; 20 psi in tires2,5006,500N/AAborted pass
3. Same; 19 psi in tires2,5006,2002.38.47/90.1612.81/113.41
4. Same; 18 psi in tires2,5006,0001.657.54/90.8911.85/113.70
BEST PASS CORRECTED11.36/118.66
Run Notes: 1) Threw accessory belts, no traction; 2) Same as first pass except heater core ruptured; 3) Installed only alternator belt, spun on launch backed out of it and got back in it, threw alt. belt; 4) Car hooked! Still threw alt. belt.

STRIP SPECS
Year/Model: '78 Gold SE Trans Am
Race Weight: Approx. 3,975 lbs
Curb Weight: Approx. 3,800 lbs
Fuel Level: N/A
Fuel: Pump gas, 91-octane
Engine: '70 455, bored +0.030
Cubic Inches Before/After: 455/462
Engine Built By: Zimmerman Racing
Power Adder: None
Top End
Air Cleaner: Factory shaker
Carburetor: Holley 850 DP
Jets, Primary/Secondary: #80/#90
Spacer Plate: None
Intake Manifold: Edelbrock Performer
Fuel Pump: Mallory electric 140-gph
Lines: 1/2-in
Regulator: Mallory set to 7 psi
Heads: Edelbrock aluminum 87cc
Head Porting: By Mike Zimmerman
Flow Numbers: Approx. 320-cfm intake
Valves: 2.11/1.66 SS from Edelbrock
Bottom End
Pistons: TRW forged flat-top, 0.030 over
Rings: Sealed Power moly
Rods: Stock cast
Compression Ratio: 10:1
Crankshaft: Stock iron 4.21-stroke
Rotating Assembly Balanced: Yes
Camshaft
Brand: Comp Cams hyd.
Duration at 0.050: 244/244-deg
Duration Advertised: 292/292-deg
Lift with Specified Rocker Arms: 0.501/0.501
Lobe Separation Angle: 110-deg
Installed Position: 4-deg adv
Rocker Arms: Comp Cams 1.50:1 roller
Ignition
Distributor: MSD Pro-Billet
Amplifier: MSD 6AL
Coil: MSD
Wires: MSD 8mm
Spark Plugs: Champion R9YC
Total Timing: 36-deg
RPM Total Timing is Reached:3,500
Exhaust
Headers: Doug Thorley
Primary: 1.875-in
Collector: 3.00-in
Pipes: 2.5-in
Mufflers: Flowmaster
Crossover: 2.5-in
Drivetrain
Transmission: Turbo 400, performance rebuild with shift kit
Converter: Hughes 2,600-stall
Shifter: Lightning Rod
Rear: Stock 10-bolt
Rear Gear Ratio: 3.73:1
Limited Slip: Stock
Axles: Stock
Chassis and Suspension
Brakes F/R: Stock 10.9-in disc/9.5-in drum
Wheels F/R: Stock 15x8 Honeycomb
Tires F/R: BFG T/A 235/60R15 / M/T drag radials 275/60-15
Tire Pressure F/R: 32 psi/19 psi
Suspension Front
Springs: Stock WS6
Control Arms: Stock
Stabilizer Bar: Stock 1.25-in
Shocks: Stock replacement
Suspension Rear
Springs: Stock WS6
Stabilizer Bar: Stock 0.75-in
Shocks: Stock replacement
Chassis Mods: None
The Rest
Interior Mods: All-original
Exterior Mods: Stock
Safety Mods: None
Paint: BASF Solar Gold
Launch Technique: Flash converter to 2,000 rpm, get into it when the lights come down
Best 1/4-mile ET, MPH Prior to Event: 11.8/113


Prev | 1  | 2  | 3  | 4  | 5  | 6  | Next

Get Adobe Flash player
Get a FREE no-hassle price quote on any new car.

Related Photos

Pavement Pounders Speedworld Motorplex 1978 Trans Am Pavement Pounders Speedworld Motorplex 1968 Grand Prix Pavement Pounders Speedworld Motorplex Staging Lanes
Pavement Pounders Speedworld Motorplex 1966 Grand Prix Pavement Pounders Speedworld Motorplex 1969 GTO Pavement Pounders Speedworld Motorplex 1968 Grand Prix Burnout

Related Articles

 
1969 Pontiac Firebird Convertible - Drive A Little Dream
"Project Emptynest" Fulfills Its Owner's 20-Year Dream Of Combining Dragstrip Propulsion With... more
 
1965 Pontiac GTO - Nunzi's Ram Air '65 Goat
Nunzi Romano's 1965 GTO features a very rare and desirable engine combo... more
 
1961 Tri-Power Ventura - Ventura My-Way
How two friends found each other's 1961 Tri-Power Venturas... more
 
Pontiac Performer Profile
Over the years most generic automotive magazines have had a hard time describing Pontiac people.... more
 
1964 Tempest GTO - It Came From the Frat House
This drop-top A-body was rescued from life as an Animal House fraternity's doom's day mobile... more
 
Unitized Ignition, Anyone?
The early '70s were an unsettled time for automobile manufacturers. New concepts were (and still... more
 
1969 Pontaic Trans Am - Ram Air Justice
While many Pontiac fans are first attracted to a specific model by its style, others choose a... more
 
Subterranean Turbo System Install
Installing An STS Rear-Turbo on an LS1 BirdPart I: Checking Out the System and How It Works... more
 
1968 Pontiac GTO Wagon
Putting the "Sport" in SUV with a '68 GTO Wagon... more
 
2005 GTOAA International Meet
The Gateway Chapter Plays Host to Hundreds of Raging Goats... more

 

Get Adobe Flash player