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Base HP & Torque #'s

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Old Dec 22, 2005 | 05:41 PM
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Default Base HP & Torque #'s

What are they for a '98 LS1 ? Thanks.
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Old Dec 22, 2005 | 05:47 PM
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I assume you are asking about a 98 LS1 Corvette?
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Old Dec 22, 2005 | 05:50 PM
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This is from www.corvetteactioncenter.com:

1998 Corvette Specifications


Dimensions
Wheelbase (in.) 104.5
Track Frt/Rear (in.) 62.0 / 62.1
Length (in.) 179.7
Width (in.) 73.6
Height (in.) 47.7
Frontal Area (in.) NA
Ground Clearance (in.) (minimum) 3.7
Curb Weight (lbs.) 3,245 (Coupe)
3,246 (Convertible)
Coefficient of Drag 0.29 (coupe) 0.32 (convert.)
Weight Distribution 51.5/48.5 (man. trans.) 50.8/49.2 (auto trans.)
Coolant Capacity (qt.) 12.0 (12.4 w/ manual trans.)
Fuel Capacity (gal.) 19.1
Oil Capacity (qt.) (w/ filter) 6.0

Engine Specifications
Type Overhead valve, pushrod V8, cast aluminum block and heads, 2 valves/cylinder
Bore 3.90 in.
Stroke 3.62 in.
Displacement (liters/cid) 5.68/346
Compression Ratio 10.1:1
Horsepower 345 bhp @ 5600 rpm
Torque 350 lb-ft @ 4400 rpm

Redline (RPM) 6,000
Induction System Sequential Fuel Injection
Valvetrain Hydraulic roller lifters

Miscellaneous
Brakes
Type 4-wheel, Bosch Anti-Lock Brakes
Front Rotors (diam. x thickness) (in.) 11.9 x .78 (12.8 x 1.1 in. with RPO Z51)
Rear Rotors (diam x thickness) (in.) 11.9 x .78 (12.8 x 1.1 in. with RPO Z51)
Tires / Wheels
Tire Type Goodyear EMT F1 High-Performance
Front Tires P245/40ZR-17
Rear Tires P275/40ZR-18
Wheel Type Cast Aluminum (std.), Magnesium (opt.)
Front Wheel Size 17 x 8.5
Rear Wheel Size 18 x 9.5

Transmission
Automatic Manual
Type 4-Speed Automatic 6-Speed Borg-Warner
Gear Ratios
1st 3.06 2.66
2nd 1.63 1.78
3rd 1.00 1.30
4th 0.7 1.00
5th NA 0.74
6th NA 0.50
Reverse 2.29 2.90
Axle Ratio 2.73 (3.15 opt.) 3.42
Final Drive Ratio 1.91 (2.21 opt.) 1.71
Mileage
City (mpg) 17 18
Highway (mpg) 25 28
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Old Dec 22, 2005 | 06:28 PM
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LS1
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Old Dec 22, 2005 | 06:55 PM
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Yes, 345hp/350tq at the crank...roughly 300+hp/310tq at the wheels depending on what dyno you use.
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Old Dec 22, 2005 | 07:13 PM
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Yes, It's a '98 Vette. Thanks for all of the info.
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