1969 Z/28 Specifications

These specifications are from Hot Rod Magazine January 1969.  They are being used for educational purposes only.  Also note that some of these specifications may have been specific to the car being tested.  For example, not all 1969 Z/28’s had power steering.  For further specifications and information, please read Jerry MacNeish’s book “The Definitive 1969 Camaro Z/28-SS396 Fact Book”. 

VEHICLE
Camaro Z/28 Coupe

PRICE
Base…………………….       $3443.80
As Tested………………       $4176.15

ENGINE
Type…………………….       OHV V8
Cylinders……………….      8
Bore and stroke……….      4.00×3.00 in
Displacement………….     302 cu.in.
Compression ratio……..    11.0:1
Horsepower…………..       290 @ 5800 rpm
Torque………………….      290 lbs.-ft @ 4200 rpm
Valves: Intake……….         2.020-in
Exhaust……………….        1.600-in
Camshaft:
     Lift……………………     0.485-in.,intake and exhaust
     Duration……………      346 degrees 13′, intake and exhaust
Tappets……………….       Mechanical
Carburetion…………         Single Holley 4-bbl, 800 cfm
Exhaust……………….       Dual “chambered” pipes

TRANSMISSION
Type…………………..        Manual, close-ratio 4 speed Synchro, all forward gears
Ratios:                1st……..   2.20:1
                           2nd ……   1.64:1
                           3rd …….   1.27:1
                           4th …….   1.00:1
Clutch………………..           10.34-in.dia bent finger diaphragm spring type,
                                             2300-2600-lb rating

DIFFERENTIAL
Type…………………         Spicer type, live axle, Positraction-equipped
Final drive ratio…….        4.88:1 (3.73, 4.56 used in initial testing)

BRAKES
Type …………………..      Power assisted-front disc/rear drum, standard
Dimensions:        Front…  Disc, 11.0-in.-dia
                            Rear….   Drum, 9.5-in.-dia
Total effective area…….   114.0 sq.in.

SUSPENSION
Front…………………       Heavy-duty.  Independent single lateral arm, coil spring and tube shocks
Rear…………………..      Salisbury rear axle with multileaf springs, staggered tube shocks
Stabilizer……………       Front only. Link type
Tires………………….      E70-15 nylon Goodyear Wide-Tread GT
Wheel rim width…..       7.0 in
Steering:
    Type……………          Quick-ratio, with integral power assist. 
                                       Recirculating ball-nut design, semi-reversible
    Gear ratio……….        24:1
    Overall ratio…..         17.8:1
    Turning circle…….     37.5 ft., curb to curb
    Wheel diameter…..   Oval – 16.25 x 15.50
    Turns  lock to lock…  2.8

PERFORMANCE
Standing start quarter-mile (best)
#1, with 4.56:1 gear, closed headers, street tires:
          14.34 sec. and 101.35 mph
#2, with open headers, Casler 9.5×14 tires,
          13.79 sec. and 103.68 mph
#3, with above (#2) and carb, and ignition rework:
          13.64 sec and 104.28 mph
#4 with 4.88:1 gear, M&H 9.00-9.5×14 tires, E/T bars, and Hurst competition linkage:
         13.11 sec and 106.76 mph

FUEL CONSUMPTION (with 3.73:1 rear axle)
Best reading ……………      13.21 mpg
Poorest…………………..      9.35 mpg
Average………………….      11.06 mpg
Recommended fuel…..        Premium

DIMENSIONS
Wheelbase………………      108.0 in.
Front track…………….         59.6 in.
Rear track………………        59.5 in.
Overall height…………        51.1 in.
Overall width………….        74 in.
Overall length…………        186.0 in.
Shipping weight………         3135 lb., approx
Test weight…………….        N.A.
Body/frame construction… Combination, with separate forward frame portion frame
Fuel tank capacity……..       18 gal.

Click here for “What is a 1969 Z/28″