YEAR BASE ESPRIT FORMULA TRANS AM TOTAL 1980 29,811 17,277 9,356 50,896 107,340
Engine-General Information
Total dressed engine mass= 573.9 pounds
Type====================== V8 90 degree OHV
No. of cylinders========== 8
Bore====================== (4.00)
Stoke===================== 3.00
Piston displacement in3=== 301
Bore spacing(C/L to C/L)== 4.62
Firing order============== 1-8-4-3-6-5-7-2
Cylinder head material==== cast alloy iron
Cylinder block material=== cast alloy iron
Cylinder block deck height 9.143
Number of mounting points
front======= 2
rear======== 1
Engine instalation position longitudinal 3.75 deg.
Recomended fuel=========== unleaded-91 or higher
cylinder head volume CM3== 70.99 octane
Head gasket thickness
compressed=== 1.168
Head gasket volume-CM3==== 10.09
Deck clearance (minimum)== .673 below; .469 above
Minimum combustion chamber
volume-CM3======== 90.87
Engine-Pistons
Material================== cast aluminum alloy
Description and finish==== cam ground-slipper type-tin plated
Weight OZ. piston only==== 23.21
Engine-Piston Rings
Function of rings #1===== compression
#2===== compression
#3===== oil
Compression rings width=== .0778
gap===== .010-.028
Oil rings width=========== .186
gap============= .015-.055
Expanders================= in oil ring assembly
Engine-Piston Pins
Material================== SAE 1016
Length==================== 3.000
Diameter================== .927
Engine-Connecting Rods
Material================== ARMA steel
Weight OZ.================ 21.9
Length(center to center)== 6.050
Bearing- Type============ M400 aluminum steel backed-removeable
Length========== .737
Clearance======= .0005-.0026
End play======== .006-.002
Engine-Crankshaft
Material================== nodular iron(Turbo rolled fillet)
Vibration damper type===== rubber floated weight
End thrust taken by bearing #4
Crankshaft end play======= .089-.216
Engine-Camshaft
Location================== between cylinder banks
Material================== hardened alloy cast iron
Bearing material========== steel backed babbitt
number============ 5
Drive===================== chain
Crankshaft gear material== hardened sintered iron
Camshaft gear material==== heat-treated cast iron
Timing chain # of links=== 60
Chain width=============== 19.05
Chain pitch=============== 9.53
Engine-Lubrication System
Type of lubrication-
Main bearings=== pressure
Connecting rods= pressure
Piston pins===== splash
Cam bearings==== pressure
Tappets========= pressure
Timing chain==== metered jet
Cylinder walls== splash
Oil pump type============= gear
Normal oil Psi at rpm===== 55-60 @ 2600
Type oil intake=========== stationary
Oil filter system========= full flow
Capacity of c/case less filter 4 quarts
Engine-Exaust System
Type====================== single w/crossover, dual behind cat. conv.
Muffler no. and type====== 2 reverse flow
Resonator and type======== none
Exaust pipe-Branch O.D.=== 2.00 x .072
Main O.D.===== 2.25 x .072
Material====== cold rolled steel
Intermediate pipe O.D.==== 2.25 x .072
Material====== cold rolled steel
Tail pipe O.D.============ 2.25 x .056
Material====== aluminized cold rolled steel
Engine-Fuel System
Induction type============ carburetor
Fuel tank capacity======== 20.8 gallons
Fuel filler location====== center rear
Fuel pump type============ mechanical
location======== right front
pressure psi==== 7.5 - 9.0
Fuel filter type========== Fine mesh striner in tank; pleated paper
locations===== integral check valve in carb. inlet
Carburetor choke type===== auto- electric
air cleaner type oil wetted paper element
idle speed-rpm= 550 in drive
Carburetor Information
Engine==================== LU8 301 Turbo
Model===================== 17080274 M4ME
Number used and type====== 1-4BBL
Barrel size=============== 1.218 - 2.25
Transmission============== automatic
Make====================== Rochester
Tires and Wheels NOT FOR FIREBIRDS
Tire size================= P225/70R15 for Formula and Trans Am and Special performance
Front psi================= 30
Rear psi================== 30
Wheel type================ steel (cast aluminum for Special performance)
Rim size================== 15x7JJ- (15x8JJ for Special Perf.
Wheel offset============== .34 (Zero for special perf.)
Attachment type=========== stud
Cicle diameter= 4.75
Number and size 5-7/16-20
Spare wheel=============== 14x6 stowaway spare standard
Brakes-Parking
Type of control=========== foot lever application- hand pull release
Location of control======= below instrument panel at left of steering column
Operates on=============== rear service brakes
Brakes-Service
Drum brakes- front======= not available
rear======== standard
Disk brakes- front======= standard
rear======== optional
Self adjusting============ standard
Special valving type====== metering and proportioning
Power brakes============== standard with V-8 engine= optional with V-6 engine
Booster type============== integral
Effective area cm2======== 112.0
Gross lining area cm2===== 115.6
Rotor- Outer working diameter 11.0
Thickness========== 1.03
Material type====== cast iron- vented
Drum diameter============= 9.5
type and material==== composite, finned, cast iron- steel web
Wheel cylinder bore front= 2.9375
rear== .938
Master cylinder bore====== 1.00= manual---1.125=power
Pedel arc ratio=========== 6.22:1=manual, 3.58:1=power, 3.00:1=optional
Lining clearance per shoe= self adjusting
Brake lining----
Front- Bonded or rivited rivited
rivit size====== .210x.379
Manufacturer==== Delco Moraine
Material======== molded abestos
Size-out board== 5.40x1.92x0.465
in board=== 5.40x1.92x0.465
Shoe thickness== .540
Rear- Bonded or rivited rivited
Manufacturer==== Delco Moraine
Material======== molded asbestos
Size-out board== 7.30x2.0x0.23
in board=== 9.46x2.0x0.23
Shoe thickness== primary .275; secondary .305
Steering
Manual==================== not avilable
Power===================== standard
Adj. steering wheel type== steering shaft tilts verticaly at base of steering wheel
Tilt steering wheel======= optional
Wheel diameter- manual==== not avilable
power===== 15.25x14.75 vertical; 14.25 diameter optional
Turning diameter ----
outside front wall to wall 41.3 feet
curb to curb 38.9 feet
inside rear wall to wall --
curb to curb --
Power Type============= coaxial
Make=============== saginaw
Gear type========== recirculating ball bearing
Gear ratio========= 15.0-13.0:1 (14:1 with Trans Am and Formula
Overall ratio====== 16.5-14.3:1
Pump driven by===== belt from crankshaft
No. of wheel turns= 2.41
Linkage Type============= link parallelogram
Location========= front of wheels
Drag links======= transverse rod connects tie rods, pitman and idler arms
Tie rods (1 or 2) 2
Steering axis-
inclanation at camber 10.35 degree @ 1 degree
bearing type (all)=== ball joint
Steering spindale and joint reverse elliot- ball joint
Suspension-General
Provision for car leveling springs
Provisions for brake dip= front suspension geometry
Provisions for acc. squat rear suspension geometry
Provisions for car jacking jack locating provisions on front and rear bumpers
Shock type=============== direct, double acting hydraulic
Make=============== Delco
Piston diameter==== 1.00
Suspension-Front
Type and description===== independant SLA type with coil springs
Travel full jounce======= 3.00
full rebound====== 3.75
Spring type============== coil
Material========== alloy steel
Stabilizer type========== Link
Material; dia. steel: 1.25 for Formula and Trans Am and WS6
Suspension-Rear
Type===================== salisbury axle with multiple leaf springs
Drive and tourqe taken through-rear springs
Travel full jounce======= 3.80
full rebound====== 3.73
Spring type============== multiple leaf
mounting insulation rubber bushed at shackle and hanger
Stabilizer type========== link
material====== steel: .750 on TA and WS6; .625 on Formula
Body-Miscellaneous Information
Type of finish (lacquer, enamel, other)-- yes
Hinge location=========== external
Hood counterbalance====== top LH side of instrument panel-visible through windshield
Hood release control===== external
VIN number location====== LH dash-visible through windshield
Vent window============== none
Seat cushion type======== molded foam pad
Seat back type=========== molded foam pad
Frame type=============== partially - unitized frame
Convenience Equipment
Power windows============ optional
Power seats============== not available
Reclining front seat back not available
Radios=================== Opt. AM, AM-FM, AM-FM Stereo, AM W/Tape, AM-FM Stereo W/Tape, AM-FM Mono W/CB, AM-FM Stereo W/CB, AM-FM Stereo W/Digital Clock
Rear seat speaker======== optional
Power antenna============ Optional- Standard W/Citizens band
Clock==================== optional
Air conditioner========== optional- manual temp. control
Speed warning device===== not available
Speed control device===== optional- (not available W/403 V8)
Ignition lock lamp======= not available
Dome lamp================ standard- dome and reading lamp optional
Glove compartment lamp=== optional
Luggage compartment lamp= optional
Underhood lamp=========== not available
Courtesy lamp============ optional
Map lamp================= not available
Cornering lamp=========== not available
Rear window defroster
electronically heated= optional
Power door locks========= optional
Fuel economy gauge======= not available
Deck lid release========= optional
Measurements
Front tread width======== 61.3
Rear tread width========= 60.0
Vehicle width============ 73.0
Body width at Sg RP-Front 72.5
Vehicle width W/Front Door Open 140.5
Wheelbase================ 108.2
Vehicle length=========== 198.1
Front overhang=========== 44.1
Rear overhang============ 45.8
Upper structure length=== 94.2
Rear wheel C/L "X" coordinate 86.8
Cowl point "X" coordinate 9.4
Passenger distribution=== 2/2
Vehicle height=========== 49.3
Cowl point to ground===== 35.7
Deck point to ground===== 37.1
Rocker panel Front to ground 6.7
Bottom of door closed-Front to ground 9.6
Rocker panel rear to ground 5.7
Front bumper to ground=== 11.7
Rear bumper to ground==== 10.2
Angle of approach======== 18.4
Angle of departure======= 10.4
Ramp breakover angle===== 10.3
Rear differential to ground 6.8
Min. running ground clearance 4.6
Location of min. running ground clearance== catalytic converter
Front Compartment
Sg RP front, "X" coordinate 42.8
Effective head room====== 36.9
Effective T point head room 37.1
Max. leg room-accelerator 43.9
Sg RP- front to heel===== 6.1
Design H point front travel 5.0
Shoulder room============ 57.4
Hip room================= 55.3
Upper body opening to ground 44.6
Steering wheel angle===== 17.6 degrees
Back angle=============== 26.0
Rear Compartment
Sg RP point couple distance 27.3
Effective head room====== 35.7
Effective T point head room 35.5
Min Effective leg room=== 28.4
Sg RP second to heel===== 8.4
Knee clearance=========== -2.4
Compartment room========= 22.7
Shoulder room============ 54.4
Hip room================= 46.3
Luggage Compartment
Usable Luggage capacity== 7.1 cubic feet
Liftover height========== 27.3