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| 31.084 Corvettes were built in 1998. 19.235 Coupes
and 11.849 Convertibles |
| The Vehicle Identification Numbers, VIN were 1G1YY32G2W5100001
through 1G1YY32G2W5131069 |
| Eighth digit is the engine code: G=350 CID - 345 HP LS-1 |
| For Convertibles, sixth digit is a 3 and a 2 for Coupes |
| Ninth digit is a check code and varies |
|
| Engine Tech Spec |
| Cubic
Inch |
350 |
| Engine Type |
5.7 Liter (LS1) V8 SFI |
| Engine Block |
Cast Aluminum |
| Cylinder Heads |
Cast Aluminum |
| HP @ RPM |
345 @ 5600 |
| Torque RPM |
350 @ 4400 |
| Comp.
Ratio |
10.1:1 |
| Bore & Stroke |
3.90 x 3.62 |
| Fuel Induction |
Sequential Fuel Injection (SFI) |
| In Manifold |
Overhead (OHV) intake manifold |
| Valve
Lifters |
Hydraulic Roller |
| Exhaust |
Aluminized stainless steel |
|
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| Block Cast Number |
| 12550592 |
350 CID - 345 HP |
|
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| Head Cast Number |
| 12558806 |
350 CID - 345 HP |
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| Engine Identification |
| 350 Cubic
Inch Engine |
CODE |
| 345 HP with
Automatic transmission |
ZZC |
| 345 HP
with Manual transmission |
ZZD |
|
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| Rear Axle Ratio |
| Ratio and
Type |
CODE |
| NIY |
NIY |
| NIY |
NIY |
|
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| Transmission Gear ratios |
|
Models
|
Corvette Hardtop
|
Corvette Coupe/Corvette
Convertible
|
Corvette Coupe/Corvette
Convertible
|
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Transmission
|
6-speed manual(std.)
|
4-speed elec. automatic with overdrive(std.)
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6-Speed Manual(opt.)
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Layout
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RWD, mounted ahead of rear axle
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RWD, mounted ahead of rear axle
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RWD, mounted ahead of rear axle
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|
1st
|
2.66
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3.06
|
2.66
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2nd
|
1.78
|
1.63
|
1.78
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3rd
|
1.30
|
1.00
|
1.30
|
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4th
|
1.00
|
0.70
|
1.00
|
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5th
|
0.74
|
–
|
0.74
|
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6th
|
0.50
|
–
|
0.50
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Reverse
|
2.90
|
2.29
|
2.90
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Final drive ratios
|
3.42
|
2.731
|
3.42
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1:3.15 with optional Performance Ratio.
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| Original Colors |
| Color |
CODE |
| Arctic White |
10 |
| Light Pewter Metallic |
11 |
| Sebring Silver Metallic |
13 |
| Pace Car Purple |
21 |
| Nassau Blue Metallic |
23 |
| Navy Blue Metallic |
28 |
| Black |
41 |
| Light Carmine Red Metallic |
53 |
| Aztec Gold |
58 |
| Torch Red |
70 |
| Fairway Green Metallic |
87 |
| Medium Purple Pearl Metallic |
95 |
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| © Tommy Ledberg |