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NineBall's User Image
Owner: NineBall
Last Updated: 9/28/06
Vehicle Views: 7,165
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NineBall's Vehicle Feed

12/13/16 -
Extended profile updated.

Basic Specifications

Vehicle Color: Navy Blue Metallic
Engine Type: 8 Cylinder
Transmission: Manual
Est. Horsepower: 620 HP
Est. Curb Weight: 3,425 lbs.
Mileage: 63,500 miles

At the Track

Best 60': 1.42
Best R/T:
Best 1/8 Mile ET:
Best 1/8 Mile MPH:
Best 1/4 Mile ET: 10.67
Best 1/4 Mile MPH: 128.36

NineBall's 1998 Pontiac Firebird Formula


1998 Pontiac Firebird Formula
1998 Pontiac Firebird Formula
1998 Pontiac Firebird Formula

About this Previous Vehicle:

This was my first LS1 vehicle, I purchased it brand new in 1998 as a college graduation gift to myself. I blame this car for the LS1 addiction that would follow!

Factory Options:

T-top glass roof panels
power locks and windows

Exterior Modifications:

Weld Draglite wheels 15x3.5 front, 15x10 (7.5 bs) rear (track use)
Mickey Thompson ET Drag Slicks 28x10.5x15 (rear track use)
Monarch Metric steel belted radial tires 165r15 (front track use)
Racing Hart type "M5" 3-piece alloy wheels. 18x8.5 front, 18x10 rear (street use)
Pirelli P-Zero radial tires - 265/30/ZR18 front, 295/35/ZR18 rear (street use)

Interior Modifications:

Custom leather seats
6-point NHRA rollbar


525 rwhp SAE dynojet (all motor!)
10.67 sec @ 128.36 mph (1.49 60') - 3625 lbs

MTI 434 cubic inch (7.1L) resleeved aluminum LS1 block (4.155" bore diameter)
MTI Stage 3 ported/polished LS6 racing heads (2.08" I, 1.60" E)
MTI Custom dual-valvespring setup (Isky springs, custom titanium retainers)
MTI Custom 4.155" bore size layered metallic head gaskets
MTI Chromoly pushrods
MTI Lunati "S1" hydraulic camshaft (244/244 duration @ 0.05", 0.612 / 0.612 lift, 112 LSA)
MTI Power Induction airbox lid
MTI custom computer tuning
MTI modified pressure/capacity oil pump
Lunati custom forged pistons (11.5:1 Compression Ratio)
Lunati custom billet connecting rods
Scat forged stroker crankshaft (4.00" stroke)
ARP connecting rod bolts
ARP head studs
Comp Cams hydraulic roller lifters
Jesel S/S 1.7 ratio roller rockers
SLP double-roller timing chain
SVO 30# fuel injectors (36# rated at LS1 fuel PSI)
Racetronix "Plug-N-Play" 255L intank fuel pump
NGK TR6 spark plugs (gapped at 0.050)
Stock LS1 ignition system
Stock LS1 spark-plug wires
Stock LS1 Mass Air Flow Sensor (aftermarket ported ends)
Stock LS1 Throttle Body (ported/polished)
Stock LS6 composite intake manifold (unmodified)
Stock LS1 water pump
Dynatech 1-7/8" stepped longtube headers, ceramic coated
MTI custom 3" mandrel Y-pipe into 3.5" Flowmaster collector
Flowtech single 3.5" cutout
Quick Time Performance 3.5" electric cutout opener ("QTEC")
SLP "Dual-Dual" Firehawk/SS-Y2Y stainless steel 3" catback
ASP underdrive crank pulley
ASP belt tensioner pulley
Hypertech 160F thermostat
SLP high capacity aluminum radiator
"Knockout Box" knock sensor desensitizer circuit website
Free mod - EGR tube end cut off
Free mod - eliminate coolant flow through throttle body
Free mod - ported/polished throttle body bore
Free mod - Grind throttle body stop to make blade open horizontal
Free mod - removed both baffles from WS6 hood nostrils


L.G. Motorsports 1-piece torque arm with L.G. exclusive design tranny mount
L.G. Motorsports adjustable lower control arms - Heim joint / poly ends
HAL 12-way adjustable racing shocks (front and rear)
Stock LS1 springs (front and rear)
Stock LS1 swaybars (front removed)
Stock LS1 front dual A-arm components
Stock LS1 engine K crossmember
SLP modified stock panhard rod (boxed, poly bushings)
NineBall/RedHawk custom subframe connectors
Energy Suspension polyurethane transmission mount
AirLift 1000 inflatable airbag in right rear coil spring


Cartek racing clutch pressure plate
Cartek bronze/ceramic clutch disk
Cartek modified adjustable clutch master cylinder
Stock LS1 steel flywheel
Stock LS1 type "288" clutch slave cylinder with T/O bearing
Stock LS1 Borg-Warner T56 six-speed manual transmission
Stock LS1 brake calipers and pads
Stock LS1 brake rotors
Pro5.0 billet short-throw shifter (chopped 1") with stock knob
Denny's "Nitrous Ready" steel driveshaft (3") with 1350 yolks/U-joints
Moser GM 12-bolt rearend housing with C-clip eliminator ends
Moser 33-spline custom axles with 1/2" long type lug studs
Moser modified Eaton 33-spline posi with Anti-Lock Brakes reluctor ring
Moser 4.10 ratio Pro Street gear set



To-Do List:


2 Comments on NineBall's Firebird Formula

Four0eight's User Image
Link to Four0eight's Comment Report Four0eight's Post
Four0eight on December 20 2006, 7:20 am

awsome car , Formy's always looked better than T/A's IMO

Neil350's User Image
Link to Neil350's Comment Report Neil350's Post
Neil350 on November 27 2006, 6:00 pm

That was the car that got me hooked on Fast F-bodies, I still remember the first time I rode in it back when it had the 382, I rode in it after riding in a bolt on Viper and was thinking how much harder the Formula pulled Smile

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