Tiverton, Rhode Island
Glen Burnie, Maryland
1989 Pontiac Trans Am GTA
Head to Head
i bought this car june of 2007 to autocross and race at the track. i can't help myself i just love f-body's. it wasn't running when i bought it. after 21 rats nest, a lot of long nights and some help from a good friend she is running stronger then new. i bet the guy i bought the car from would kick himself for selling it if he saw it now.
she spends most of her days (and nights for that matter) in the garage. she is lucky to see 2000 miles a year now. the best way for me to let some stress off is to go out in the garage and spend some time playing with my car. i have more hours working on her then i do driving her. that is not to say she needs to be fixed, but because i enjoy making things better.
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Specs for “GTA”
1989 Trans Am GTA with 5.7L V8 and 3.27 : 1 rear axle:
0 - 60 mph: 6.5 seconds
Lateral Acceleration: 0.86 g
best quarter mile of 14.78 seconds at 95mph
List Price, FOB Detroit:.......... $23,320
Engine Type: Eight-Cylinder, V-Design
Valve Design: Overhead Valve
Bore/Stroke: 4.00 inches x 3.48 inches
Displacment: 350 cubic inches
Compression Ratio: 9.3 : 1
Fuel Injection/Manufacturer: Multiple-Port Style, Bosch-Rochester
Fuel Requirements: 91-Octane Unleaded
Curb Weight: 3460-3530 pounds
Weight Distribution: 57% (front) - 43% (rear)
Wheelbase: 101.6 inches
Track: 60.7 inches (front) - 61.6 inches (rear)
Overall Length: 191.6 inches
Width: 72.0 inches
Height: 49.7 inches
Rear Storage Space: 5.8 cubic feet (rear seat up) - 9.1 cubic feet (rear seat folded)
Fuel Tank: 15.5 U.S. Gallons
Vehicle Lay-out: Front engine / Rear drive
Body/Frame: Unit Steel Construction
Brake System: Four Wheel Power-Assist Disc
10.5 inch (front) and 11.7 inch (rear) - 1989-1992
Wheel, Type and Size: Cast aluminum alloy, 16 x 8 inch
Goodyear Eagle ZR50 Radial, size 245/50-ZR16 (1989-1992)
Steering: Recirculating ball, with power assist
Wheel Turns, lock-to-lock: 2.4
Turning Circle, Foot-in-diameter: 37.6
Suspension Components (front): modified MacPherson struts, lower A-arms, coil springs, tube shocks, and anti-roll bar
Suspension Components (rear): Live axle, with trailing arms, torque arms, and Panhard arm, coils aprings, tube shocks, and anti-roll bar
Specs for “”
No specifications listed.
Factory Options for “GTA”
To travel in a GTA was to travel in the most luxurious F-body model available in its day. GTAs featured many specific options not found elsewhere in Firebirds OR Camaros. Standard seating consisted of specific "Ultima" articulating bucket seats covered in Metrix cloth trim. These seats were fully adjustable fore and aft, featured full manual recline, adjustable thigh supports as well as headrests, and power-inflatable bladders for both lumbar and lateral support. In fact, these excellent seats continued in the Trans Am till 2002, with only the headrest design being different.
Standard GTA instrumentation included everything necessary for monitoring the machine and its condition. Present and accounted for were a large 8000-rpm tachometer and a 140-mph speedometer; secondary gauges were provided to monitor fuel levels, voltage, oil pressure, and water temperature in a seperate cluster.
Audio sources received equal attention to detail in order to surround the driver in a fitting atmosphere. Beginning in 1988, PMD added as standard equipment the top-line audio system (RPO UT4) which consisted of a touch-control AM/FM stereo tuner with five station memory preset, full seek and scan, an auto-reverse cassette deck with dual-direction track search, a five-band graphic equalizer with which to fine-tune the sound, built-in radio and tape noise reduction, and a digital clock. Also standard were radio controls on the steering wheel. Functions mounted there included AM/FM selection, volume, radio seek/scan, radio tune, pre-set select, recall, fade, and mute.
In 1988, the GTAs were also the first F-body model to get the new VATS II "Pass-Key" anti-theft system as standard equipment in order to help reduce rising vehicle thefts. GM had great luck installing it in the Chevrolet Corvette for 1987 and Corvette thefts were reduced by 40%. The system used a micro-chip resistor embedded in the ignition key shaft that would electronically "shake hands" with the anti-theft module up under the dash. The module would give its "permission" for the car to start if and ONLY if the correct resistance value was recognized. Either an incorrect or, on occasion, a dirty or scarred original key would then disable the car's ignition and fuel systems, necessitating a little trip to your local Pontiac establishment........
Factory Options for “”
No factory options listed.
Mods for “GTA”
far from done. 26lb injectors, 3" flowmaster cat back (yuck), N10 RPO code with no cats, homemade 3" through fender cold air, 52mm t.b. with the coolant bypass mod, 170* t-stat with a 170* fan switch, a/c delete, richmond gear 4:10, detroit true-trac differential, moser axle shafts, stainless steal brake hoses, cross drilled & sloted brake rotors(all 4), napa ado ceramic pads, lakewood lower control arms, edelbrock panhard bar, upgraded shocks and struts, energy susension bushing all the way around, tds 3 bolt wonder bar,140lbs rear coil springs, sumitomo ntr z tires 245/50zr16 99w up front and 255/50zr16 99w in rear, a set of nitto nt555r 275/40r17 drag radials, a set of NT01 275/40/17 for the track, a full set of cragar soft 8's 17X9 black powder coated for the track, holley adjustable fuel pressure regulator, intake air temp sensor relocation kit, edelbrock hi-flow intake base plate, bbk high flow fuel pump "aka walbro" 225 lph = 67 ghp, crane cams fireball hi-6 ignition, crane cams fireball ps91 coil, march power and amp pulley set, custom eprom (again), 649 lbs front coil springs, umi tie rod sleeves, removed flowmaster muffler and replaced with borla pro xs, cnc ported plenum from corvetteplenum.com, relocated the washer bottle in the front bumper, relocated the coolant overflow in the front bumper, Monster transmission HD 700R4, Monster transmission 2000-2200 rpm convertor, B&M quick sliver shift, Hayden trans cooler, high torque mini starter, Edelbrock TES headers, High cast water pump,
outside: removed stock mud flaps, removed stock sealed beam headlights and replaced them with composite 9000k bright white 9003 bulbs, WS6 badge from a 4th gen, new fog lights with brighter bulbs,
Inside: custom shift boot, gt grant wheel, piller gauges (oil pressure, oil temp, and voltage for now), shift light, cd player, 4 way sony 6x9's, 2 way kenwood 4x6's, custom sail panels, custom carbon fiber trim, two custom fit gauges where the center vents use to be, fuel pressure gauge, air fuel ratio gauge, white face gauge overlay with high power red led lights, white heater control overlay, 150 led light for the interior lighting, 2002 Trans Am center console, 4 point harness, Silver trim in cluster.
More to come
Mods for “”
No modifications listed.
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