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