1999 Pontiac Trans Am

1999 PONTIAC TRANS AM BACKGROUND
Little changed from 1998. However, a new Torsen limited-slip differential was now standard on all V8 models and V6s with the performance package. Other new options were a Hurst shifter on 6-speed cars, and a power steering fluid cooler on all V8s.

1999 Pontiac Trans Am INTERIOR


1999 Pontiac Trans Am ENGINE

NEW ENGINE FOR THE 1999 TRANS AM
Pontiac got access to Chevy's latest version of its venerable small block, the Gen III 346 cubic inch (5.7L) LS1. It was the dawn of a new age, as every V8 that GM would field since has been based on it. It was a total clean-sheet redesign of the small block V8. Retaining the pushrod valvetrain reduced vertical height, allowing for lower hoodlines that the competition, who were using tall DOHC designs. There is no question that the LS-series has been one of the most successful high-performance engines in modern times. It powers Corvettes, Camaros, a variety of Cadillacs, and even Chevy & GMC pickups and SUVs. It has been pushed all the way out to 7.0 liters (427 cubic inches), and in its supercharged 6.2L form, 650 horsepower. That is 650 reliable, drivable horses, thanks to the low end torque of the classic big pushrod American V8 design.

1999 Pontiac Trans Am SPECIFICATIONS


Production, total

    Base Firebird

    Formula

    Trans Am

    Trans Am WS6

Wheelbase

Length

Width

Height

Track, front

Track, rear

Weight

ENGINES     

Engine type

Engine code

Displacement

Bore & Stroke

Output @ RPM

              COUPE

     32,760

17,170

1,427

10,343

3,820

101.1 in

193.8 in

74.5 in

51.7 in

60.7 in

60.6 in



OHV 90-degree V8

LS1

346 ci / 5.7 L

3.90" X 3.62"

305 hp @ 5200 rpm

CONVERTIBLE

3,449

1,245

175

1,027

1,002

101.1 in

193.8 in

74.5 in

51.7 in

60.7 in

60.6 in







335 lb/ft @ 4000 rpm

             TOTALS

36,209

18,415

1,602

11,370

4,822


OTHER FIREBIRD & TRANS AM PAGES:
..........PONTIAC
....................Firebird/TransAm
..............................1967
..............................1968
..............................1969
..............................1970
..............................1970 Trans Am
..............................1971
..............................1973
..............................1973 Trans Am
..............................1974
..............................1976
..............................1976 Trans Am
..............................1977 Trans Am
..............................1978 Trans Am
..............................1979
..............................1987 Trans Am GTA
..............................1989
..............................1999 Trans Am

Check out these FIREBIRD & TRANS AM BOOKS


Pontiac Trans Am: 50 Years



Pontiac Firebird: 50 Years



Original Pontiac Firebird and Trans Am 1967-2002: The Restorer's Guide (Original Series)



Pontiac Firebird - The Auto-Biography: New 3rd Edition (Made in America!)



Pontiac Firebird Ads: From the Beginning 1967 - 2002



The Definitive Firebird & Trans Am Guide: 1970 1/2 - 1981



Pontiac Firebird: The Auto-Biography (Car & Motorcycle Marque/Model)



Pontiac Firebird Restoration Guide 1967-1969



Original Pontiac Firebird and Trans Am 1967-2002: The Restorer's Guide (Original Series)



How to Rebuild Pontiac V-8s (Workbench)



Trans Am & Firebird Restoration: 1970-1/2 - 1981 (Restoration How-to)



The Pontiac Firebird Anthology 1967 - 2002



Pontiac Firebird 1967-2000




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Last updated 4/20/18

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