What should a 1985 Corvette idle at?

The factory timing and settings for your car is located on a label located on the driver side of the fan shroud and it should be 6 degrees. Remove the idle screw plug on the throttle body assembly and adjust the idle to 450 rpm’s.

What should my 1984 Corvette idle?

Your idle speed should then be around 500-600 rpm.

What engine does a 1985 Corvette have?

V8 Engine
This is the heart of Corvette for 1985. A tuned-port fuel-injected 5.7 Liter V8….Total 1985 Corvettes Built- 39,729, All Coupes.

Engine
Tuned-Port Fuel-Injected V8 Engine 5.7 Liter (350 Cu. In.)
Stroke 3.48”
Horsepower 230 net @ 4,000 RPM
Torque 330 lb.-ft. @ 3,200 RPM

How do you adjust the TPS on a 1985 Corvette?

Whatever is easiest for you.

  1. Turn the ignition to the ON position without starting the engine.
  2. Loosen the TPS Torx adjustment screws.
  3. Measure the voltage between the two top TPS wires.
  4. Adjust the TPS by rotating its position until you get a reading of .
  5. Tighten the Torx screws and recheck the voltage.

What should a 1988 Corvette idle at?

600 in drive is normal. If your idle is jumping around its probably not an adjustment.

How many miles will a 1985 Corvette last?

The lifespan expectations for Chevy Corvettes According to Motor and Wheels, owners can expect their new Corvette to last for 150,000 to 200,000 miles. For most drivers, that’s probably about 10 to 13 years minimum.

How many MPG does a 1985 Corvette get?

Find and Compare Cars

1985 Chevrolet Corvette
Personalize Find a car 8 cyl, 5.7 L, Automatic 4-spd Compare
Fuel Economy
EPA MPG Regular Gasoline 17 combined city/highway MPG 15 city 21 highway 5.9 gals/100 miles
Unofficial MPG Estimates Shared by Vehicle Owners View Estimates How can I share my MPG?

How do you adjust the TPS on a 85 Corvette?

What’s a 1985 Corvette worth?

The curb appeal of this Corvette can be termed excellent with its Bright Red paint and matching Red interior. We place a value of $11,500 on this 1985 Corvette. With rapidly changing Corvette values, make sure your insurance coverage keeps up with your Corvettes value by having it appraised online at VetteFinders.com.

Why is my Chevy Corvette running rough at idle?

Really, your Corvette will be running rougher at any RPM, but a misfire will be most pronounced at idle. Spark Plug Wires – While not every model and engine combination of vehicles today comes with spark plug wires (a lot are now coil on plug), if your Corvette happens to have them, they can go bad and cause a rough idle.

What causes the spark plugs on a corvette to misfire?

If your Corvette’s spark plugs are damaged, the engine will misfire. That happens because the cylinders fail to properly fire, since damaged plugs don’t provide an electric spark that ignites the air/fuel mixture in the engine.

What are the specs of a 1985 Corvette?

1985 Coupe-L98/Auto,Bright Red/Carmine. 1974 Coupe-L48/4speed, Medium Red Metallic/Black Deluxe. Looks like your idle speed is really low, to begin with. However, the specs are 450 rpm for standard trans, and 400 for the auto (in Drive)…

How can I tell if my Corvette engine is misfiring?

One way to detect a misfiring engine is by sensing the Corvette’s engine stumbling momentarily before regaining power. The engine can jerk or run rough as a result. This happens because the engine has skipped a process in the combustion cycle. A misfiring engine results in lowered gas mileage and engine power.