Chevrolet

Chevy Corvette 1970 Technical Specifications

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1970 Chevy Corvette
  • Years of Manufacture: 1970
  • Number Built:
    • Convertible: 6,648
    • Coupe: 10,668
  • Price at Introduction:
    • Base car: US$5192
    • LS-5 390bhp/454ci V8, 3 speed auto, air conditioning, power steering, power brakes, power windows, AM/FM Radio, Tilt-Telescopic Steering: US$6613
  • Body:
    • Unitary construction (Monocoque)
  • Models:
    • Convertible
    • Coupe
  • ID Location:
    • Left windshield pillar
  • Exterior Dimensions:
    • Total Length: 182.5 in.
    • Total width: 69.0 in.
    • Height at kerb weight: 47.5 in.
    • Wheelbase: 98.0 in.
    • Front Track: 58.7 in.
    • Rear Track: 59.4 in.
  • Kerb Weight:
    • 3720 lb
  • Transmission:
    • 3 Speed Automatic:
      • 1st: 2.48:1
      • 2nd: 1.48:1
      • 3rd: 1:1
      • Reverse: 2.08:1
    • 4 Speed Manual Close Ratio:
      • 1st: 2.20:1
      • 2nd: 1.64:1
      • 3rd: 1.27:1
      • 4th: 1:1
      • Reverse: 2.27:1
    • 4 Speed Manual Wide Ratio:
      • 1st: 2.56:1
      • 2nd: 1.91:1
      • 3rd: 1.48:1
      • 4th: 1:1
      • Reverse: 2.64:1
  • Rear Axle Ratio:
    • 3.08:1
    • Optional 3.36:1, 3.55:1, 3.70:1, 4.11:1
  • LS-5 390 bhp 454ci V8 Engine:
    • Capacity: 454 cubic inches
    • Type: Conventional, watercooled four stroke, reciprocating piston type with 8 cylinders in Vee configuration, air-injection reactor emission control
    • Configuration: Front mounted, longitudinal, upright
    • Head: Pushrod and rocker actuated ohv with two valves per cylinder
    • Fuel System: Rochester 4-bbl
    • Bore and Stroke: 4.251 x 4.00 in.
    • Power: 390 bhp @ 4800rpm
    • Torque: 500 lb-ft @ 3400rpm
    • Compression Ratio: 10.25:1
    • Other engines available 300bhp/350ci, L46 350bhp/350ci, LT-1 370bhp/350ci, LS-7 460bhp/454ci
  • Ignition and Electrical:
    • Coil and distributor
  • Suspension:
    • Front: Independent, A-arms, coil springs
    • Rear: Independent, lateral struts, transverse leaf spring
  • Steering:
    • Rack and pinion, ratio 20.2:1 standard, 17.6:1 with power steering option
    • Turning circle: 39.0 feet
  • Brakes:
    • Front: Hydraulic 11.75 in. Disc, power assisted
    • Rear: Hydraulic 11.75 in. Disc, power assisted
  • Wheels:
    • 15 x 8JJ
  • Tyres:
    • F70 x 15B bias-belted
    • Tyre pressure: 24/24 psi
  • Performance (LS-5 390 bhp 454ci V8 Automatic):
    • Standing Quarter Mile: 15.1 secs.
    • Speed at end: 93.0 mph
    • Top Speed: 145 mph
1969 Chevrolet Corvette V8
Performance (4 spd CR/L71 435 bhp 427ci)
Speed
Time
0-30 mph
2.8 secs.
0-40 mph
3.8 secs.
0-50 mph
5.2 secs.
0-60 mph
6.9 secs.
0-70 mph
8.8 secs.
0-80 mph
10.9 secs.
0-90 mph
13.8 secs.
0-100 mph
17.2 secs.
New Era Engines 1970
Displacement
Designation
Carb
C.R.
BHP
Torque
350
L48 (base)
1 x 4bbl
10.25:1
300 @ 4800
380 @ 3200
350
L46
1 x 4bbl
11:1
350 @ 5600
380 @ 3600
350
LT-1
1 x 4bbl
11:1
370 @ 6000
380 @ 4000
454
LS5
1 x 4bbl
10.25:1
390 @ 4800
500 @ 3400
454
LS7
1 x 4bbl
11.25:1
460 @ 5600
490 @ 3000
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