High Performance Pontiac Homepage High Performance Pontiac
Get Adobe Flash player

Pontiac Pavement Pounders Shootout - Norwalk Raceway Park Part 1

Pavement Pounder Shootout Norwalk Firebird Wheels Up Pavement Pounder Shootout Norwalk Firebird Engine Pavement Pounder Shootout Norwalk Larry Snyder
Strip Specs
Year/Model:'77 Firebird Formula
Race Weight:3,225 lbs
Curb Weight:3,055 lbs
Engine:'72 YH-code 455
Cubic Inches Before/After Bore:455/470
Built By:Larry Snyder
Type of Fuel:Sunoco 110 octane
Carburetor:Barry Grant 1,024-cfm Gold Claw, jets #86/#94
Spacer Plate:Phenolic 1-in, four-hole, blended for improved flow
Intake Manifold:Edelbrock Victor
Fuel System:Mallory 250-gph electric pump, 1/2-in aluminum lines, and Mallory regulator set to 7 psi
Heads:'67 #670, ported
Flow Numbers:N/A
Valves:2.11/1.77-in Ferrea stainless
Pistons/Rings:Ross forged 4.215-in/Sealed Power moly
Rods:Crower Sportsman forged, 6.625-in
Compression Ratio:12.2:1
Crankshaft:Stock nodular-iron 455, 4.21-in stroke
Rotating Assembly Balanced:Yes
Camshaft:Crane mechanical flat-tappet
Camshaft Specs:260/268-deg dur. at 0.050, 0.583/0.603 lift
Rocker Arms:1.65:1 Harland Sharp
Camshaft LSA:108-deg
Camshaft Centerline:105-deg
Installed Position:Straight up
Ignition:GM HEI, MSD 6AL and wires, ACCEL #134 plugs
Total Timing:36-deg all in by 2,400 rpm
Exhaust:Hooker 2-in primary headers, 3.5-in collectors
Power Adder:None
Transmission:GM Turbo 400, performance rebuild, transbrake
Converter:TCI 9-in, 4,800-rpm stall, built by Gary Bruce at TCI
Shifter:B&M Quicksilver
Rear:GM 12-bolt, 4.10:1 gears, Strange 33-spline axles and spool, billet caps, C-clip eliminator, LPW Ultimate Series billet cover
Brakes F/R:Aerospace lightweight discs/stock 9.5-in drums (lightened)
Wheels F/R:Weld ProStars 15x3.5/15x10
Tires F/R:Moroso 15x7.6/Hoosier 31x10.5x15
Tire Pressure:35 psi/9.5 psi
Suspension Fr:Moroso Trick Springs, Koni SPA-1 shocks, stock stabilizer bar removed, Wilwood rack-and-pinion steering
Suspension Rr:CalTrac bars, monoleaf springs, Koni SPA-1 shocks
Chassis Mods:Custom welded-in subframe connectors and eight-point rollcage
Interior Mods:Sweet Manufacturing steering column and quick-release steering wheel, aluminum door panels, Jaz Racing seats
Exterior Mods:Fiberglass hood with Pro-Stock scoop, lexan door windows with powder-coated frames, shaved door handles, and sideview mirrors
Safety Mods:Eight-point rollcage, driveshaft safety loop, five-way harness (current) SFI-approved drivetrain parts
Paint:Custom blue and silver
Launch Technique:Flash the torque converter to approximately 4,600 rpm as the transbrake releases
Best ET/MPH Prior to Event (1/4-mile):10.13 at 129.9, Virginia Motorsports Park
Best ET/MPH Prior to Event (1/8-mile):6.30 at 108, Savannah Dragway

STRIP TUNING LOG
RunTuningLaunch RPMShift Point60-FT1/8 E.T./MPH1/4 E.T./MPH
19.5 psi slicks, 38-deg timing, 2-deg retard above 5,000 rpm3,0006,000/6,3001.46.47/105.3910.24/129.10
2Same, except 6-deg retard above 5,0004,0006,000/6,3001.396.45/105.4010.22/129.24
3Same, except 10 psi in slicks4,8006,000/6,3001.46.46/105.6110.21/129.90
49.5 psi slicks, 6-deg retard (32 total above 5,000 rpm)3,2006,2001.46.45/105.6010.20/129.87
BEST PASS CORRECTED9.71/136.45
Run notes: 1) Good pass, intense sun, poor air quality; 2) Seems to pull harder on the top end; 3) Spun some, hit the tires too hard; 4) Seems to be a good combination for this track under these conditions.


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

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

Pavement Pounder Shootout Norwalk T 37 Tempest Pavement Pounder Shootout Norwalk Grand Prix Launch
Pavement Pounder Shootout Norwalk Grand Am Burnout Pavement Pounder Shootout Norwalk Firebird Launch

More Related Content