What was the rear axle gear ratio for a 1987 corvette?
What was the rear axle gear ratio for a 1987 corvette?
In 1987, the 4+3 Manual Transmission came with a new, heavy duty 8.5 inch ring differential. The manual transmission overdrive selector button was moved from the console to the shift knob itself. Rear axle gear ratios for manual transmission models was 3.07:1. California Emission Requirements (NN5)
What was the horsepower of the 1987 corvette?
In an ongoing effort to reduce engine friction with the intent of improving both engine performance and fuel economy, Chevrolet added rollers to the hydraulic lifters. In doing so, the engine performance of the 1987 Corvette was increased by ten horsepower, taking the engine’s overall horsepower rating to 240hp.
What kind of engine did the 1987 Callaway Corvette have?
The first four Callaway Corvettes used replacement LF5 (truck) shortblocks, although all subsequent Corvettes were equipped with modified (reworked) Corvette L98 engines. Additionally, all 1987 Corvettes had manual transmissions and none were equipped for sale in California.
What was the low tire pressure on a 1987 corvette?
A low-tire pressure indicator made a brief appearance in late 1986 (for the 87 model year). The low-tire pressure indicator signaled a drop in pressure of one pound per square inch on any wheel, via a dash panel display.
What was the transmission on the Chevy Corvette C4?
GM tried to cover this by adding a new transmission known as the Doug Nash 4+3. But it was as weird as the name suggests, and it nearly ruined the car for the first six years. The Doug Nash 4+3 was a four-speed manual with an automatic overdrive on the top three gears.
What kind of options did the 1987 Corvette have?
A couple of other options found their way into the 1987 Corvette. Although these options were not new to General Motors as a whole, they were unique to the Corvette in that they had never been featured in any of its earlier forms. A low-tire pressure indicator made a brief appearance in late 1986 (for the 87 model year).
Where is the catalytic converter on a 1987 corvette?
To exhale, stainless steel headers carry waste from the engine to a dual exhaust system carefully engineered to fit the undercarriage configuration. The fact that the catalytic converter tucks up under the drive-shaft channel beam contributes to the low cowl and hood line of the car.
What’s the 4 speed manual on a corvette?
The “Doug Nash 4+3,” a four-speed manual on the Chevrolet Corvette with push-button overdrive in the top three gears, is considered by many to be one of those bits of questionable equipment. But it’s still fascinating. Photo: vette333! ( Ebay)
What was the handling package for the 1987 corvette?
A new, major option for 1987 is the Z52 sport handling package, which consists of Bilstein (stiffer) shock absorbers, quicker steering, wider (9-1/2 in. from 8-1/2 in.) wheels and, for the automatic, a 3.07:1 rear axle (which you get anyway with the stick shift) replacing the economy gearing of 2.59:1.
What kind of transmission does a corvette have?
There’s a choice of coupe or convertible bodies, and the transmission comes as a 4-speed automatic or a 4-speed manual shift, with the automatic locking into top for economy and the stick having overdrive on the top three of the four, controlled by a button atop the shift lever.
How much horsepower does a 1987 Corvette have?
Horsepower comes from and relates to torque. 240 peak horsepower at 4,000 RPM and a peak 345lbs.-ft. or torque at 3,200 RPM mean an engine with a broad usable RPM range. Transmissions: This broad range combines with a choice of transmissions – standard automatic with 4 th gear overdrive or the no-cost option 4-speed manual.
