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Z32 FAQ
April 1992 Motor Trend:
Corvette vs. RX-7 vs. 3000GT vs. 300ZX
| General |
|
Chevrolet
Corvette
LT1 |
Mazda
RX-7
R1 |
Mitsubishi
3000GT
VR-4 |
Nissan
300ZX
Turbo |
| Body Style |
2-door, 2-passenger |
2-door, 2-passenger |
2-door, 4-passenger |
2-door, 2-passenger |
| Drivetrain Layout |
Front engine,
rear drive |
Front engine,
rear drive |
Front engine,
all-wheel drive |
Front engine,
rear drive |
| Base Price |
$33,635 |
$31,000(est) |
$32,800 |
$35,890 |
| Price as Tested |
$39,114 |
$32,000(est) |
$34,562 |
$36,270 |
| Options included |
Selective ride/ handling, $1695; leather seats, $1100; six-way power
pass. seat, $305; Delco-Bose sound system, $396; preferred equip. grp 1,
$1333; |
R1 package, $1000 |
CD player, $274; leather front seats, $1120 |
|
| Ancillary charges |
Destination, $550; Calif. emissions, $100 |
Not available |
Destination, $368 |
Destination, $310; Calif. emissions, $70 |
| Dimensions |
| Wheelbase, in./mm |
96.2/2444 |
95.5/2425 |
97.2/2470 |
96.5/2450 |
| Track, in./mm |
57.7/59.1/1466/1500 |
57.5/57.5/1460/1460 |
61.4/62.2/1560/1580 |
58.9/61.2/1495/1555 |
| Length, in./mm |
178.5/4535 |
168.5/4280 |
178.9/4545 |
169.5/4305 |
| Width, in./mm |
70.7/1796 |
68.9/1750 |
72.4/1840 |
70.5/1790 |
| Height, in./mm |
46.3/1177 |
48.4/1230 |
49.1/1247 |
49.4/1255 |
| Ground clearnance, in./mm |
4.2/107 |
4.5/115 |
5.7/145 |
5.0/127 |
| Mfr's curb weight, lb |
3365 |
2800 |
3803 |
3474 |
| Weight distribution, f/r % |
51/49 |
50/50 |
58/42 |
55/45 |
| Cargo capacity, cu ft |
12.6 |
17.0 |
11.1 |
23.7 |
| Fuel capacity, gal |
20.0 |
20.0 |
19.8 |
19.0 |
| Weight/power ratio, lb/hp |
11.2 |
11.0 |
12.7 |
11.6 |
| Engine |
| Type |
V-8, liquid cooled, cast iron block/ alloy heads |
2-rotor rotary, liquid cooled, alloy rotor/ iron end, side hsgs |
60deg V-6, liquid cooled, cast iron block/ alloy heads |
60deg V-6, liquid cooled, cast alloy block/ heads |
| Bore x stroke in./mm |
4.00 x 3.48/ 101.6 x 88.4 |
Not applicable |
3.59 x 2.99/ 91.1 x 76.0 |
3.43 x 3.27/ 87.0 x 83.0 |
| Displacement, ci/cc |
350/5733 |
80/1308 |
181/2972 |
181/2960 |
| Compression ratio |
10.2:1 |
9.0:1 |
8.0:1 |
8.5:1 |
| Valve gear |
OHV 2 valves/ cyl. |
Side ports |
DOHC, 4 valves/ cyl. |
DOHC, 4 valves/ cyl. |
| Fuel/ induction system |
EFI |
EFI, twin turbos |
EFI, twin turbos |
EFI, twin turbos |
| Horsepower, hp @ rpm, SAE net |
300 @ 5000 |
255 @ 6500 |
300 @ 6000 |
300 @ 6400 |
| Torque, lb @ rpm, SAE net |
330 @ 4000 |
217 @ 5000 |
307 @ 2500 |
283 @ 3600 |
| Horsepower /liter |
52.3 |
195.0 |
100.9 |
101.4 |
| Redline, rpm |
5500 |
8000 |
7000 |
7000 |
| Recommended fuel |
Unld premium |
Unld premium |
Unld premium |
Unld premium |
| Driveline |
| Transmission type |
6-speed man. |
5-speed man. |
5-speed man. |
5-speed man. |
Gear ratios
1st
2nd
3rd
4th
5th
6th |
2.68:1
1.80:1
1.29:1
1.00:1
0.75:1
0.50:1 |
3.48:1
2.02:1
1.39:1
1.00:1
0.72:1 |
3.07:1
1.74:1
1.10:1
0.82:1
0.66:1 |
3.21:1
1.93:1
1.30:1
1.00:1
0.75:1 |
| Axle ratio |
3.45:1 |
4.10:1 |
3.55:1 |
3.69:1 |
| Final-drive ratio |
1.73:1 |
2.95:1 |
1.90:1 |
2.78:1 |
| Engine rpm, 60 mph in top gear |
1400 |
2500 |
2300 |
2450 |
| Chassis |
Suspension
Front |
Upper and lower control arms, fiberglass leaf spring, anti-roll bar |
Upper and lower control arms, coil springs, anti-roll bar |
MacPherson struts, lower control arms, coil springs, anti-roll bar |
Upper and lower control arms, coil springs, anti-roll bar |
| Rear |
Upper and lower control links, trailing arms, transverse fiberglass
leaf spring, anti-roll bar |
Upper and lower control arms, coil springs, anti-roll bar |
Upper and lower control arms, coil springs, anti-roll bar |
Upper and lower control arms, coil springs, anti-roll bar |
| Steering type |
Rack/ pinion, power assist |
Rack/ pinion, power assist |
Rack/ pinion, power assist |
Rack/ pinion, power assist |
| Ratio |
15.7:1 |
15.0:1 |
15.3:1 |
14.8:1 |
| Turns, lock to lock |
2.3 |
2.9 |
2.7 |
2.4 |
| Turning circle, ft |
40.0 |
35.4 |
37.4 |
34.1 |
Brakes
Front, type/dia., in. |
Vented discs/ 11.9 |
Vented discs/ 11.6 |
Vented discs/ 11.7 |
Vented discs/ 11.0 |
| Rear, type/dia., in. |
Vented discs/ 11.9 |
Vented discs/ 11.6 |
Vented discs/ 11.2 |
Vented discs/ 11.7 |
| Anti-lock |
Standard |
Standard |
Standard |
Standard |
Wheel and tires
Wheel size, in. |
17 x 9.5 |
16 x 8.0 |
17 x 8.5 |
16 x 7.5/ 16 x 8.0 |
| Wheel type/ material |
Cast alloy |
Cast alloy |
Cast alloy |
Cast alloy |
| Tire size |
275/40ZR17 |
225/50ZR16 |
245/45ZR17 |
225/50ZR16/ 245/45ZR16 |
| Tire mfr. and model |
Goodyear Eagle GS-C |
Bridgestone Expedia S-07 |
Michelin XGT-Z` |
Goodyear Eagle ZR |
| Performance and Test Data |
Acceleration, sec
0-30 mph
0-40 mph
0-50 mph
0-60 mph
0-70 mph
0-80 mph
Standing quarter mile, sec @ mph
|
2.0
3.0
4.4
5.7
7.7
9.6
14.1/99.9
|
2.1
3.2
4.2
5.2
7.0
8.7
13.8/ 101.1
|
1.9
2.9
4.5
5.8
7.5
10.3
14.3/ 96.3
|
2.2
3.3
4.5
5.7
7.8
9.5
14.2/ 100.6
|
Braking, ft
30-0
60-0 |
31
115 |
29
110 |
31
115 |
33
125 |
Handling
Lateral acceleration, G
Speed through 600-ft slalom, mph |
0.91
68.8 |
0.98
70.4 |
0.92
70.5 |
0.95
69.3 |
Speedometer error
Indicated/ actual |
30/30
40/40
50/50
60/60 |
30/30
40/39
50/49
60/58 |
30/28
40/38
50/48
60/58 |
30/30
40/40
50/50
60/60 |
Interior noise, dBA
Idling in neutral
Steady 60mph in top gear |
54
71 |
55
74 |
50
69 |
51
74 |
| Instrumentation |
| Instruments |
Digital speedo; 6000-rpm tach; fuel level; oil pressure; oil temp;
coolant temp; volts; digital clock; |
180-mph speedo; 9000-rpm tach; fuel level; oil pressure; coolant temp;
digital clock; |
180-mph speedo; 9000-rpm tach; fuel level; oil pressure; coolant temp;
boost; digital clock; |
160-mph speedo; 9000-rpm tach; fuel level; oil pressure; coolant temp;
boost; digital clock; |
| Warning lamps |
Svc. eng. soon; low tire pressure; battery; low oil; low coolant; service
ASR/ ABS/ ride control |
Check engine; charge; brake; ABS; |
Check engine; oil; battery; brake; ABS; aero; radiator; |
Check engine; brake; ABS; HICAS; |
| Fuel Economy |
| EPA, city/ hwy/., mpg |
16/25 |
17/25 |
18/24 |
18/24 |
| Est. range, city/ hwy., miles |
320/500 |
340/500 |
356/475 |
342/456 |
[snipped from the article]
"If given $40,000 and told to bring home a sports car, four of our five
testers would show up in a Nissan 300ZX Turbo...In addition, the 300ZX
Turbo would be the one we'd choose for a 2000-mile road trip...How do our
testers justify what may seem contradictory to some? Easy. In the real
world, being a half second slower 0-60 is rarely apparent. And at least
on public roads, we hope you'll never notice either its 7mph top speed
deficiency not its 2.3 mph slower racetrack lap. What you will notice is
as much (or more) performance than most will (or can) use on the street.
Next you'll appreciate the kinds of creature comforts expected from a $36,000
car. 'it's a comfortable cruiser that quickly changes into a hot back-road
burner,' said one staffer. 'It offers the best compromise between performance
and liveability,' said another."
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