What is FX3 suspension?

The most valuable ride-and-handling option available on 1989-1995 Corvettes is RPO FX3 “Electronic Selective Ride and Handling”. Known by many Vettesters as “adjustable suspension” or by its RPO number “FX3”, GM engineers called it “Selective Ride Control”, “Selective Ride” or just “SRC”.

How much horsepower does a 1989 c4 Corvette have?

245
Selective Ride Control is available on Corvette Coupe with 6-speed manual transmission only. Requires optional Z51 Performance Handling Package….

How does the c4vettes FX-3 suspension system work?

The 4 shocks are only part of the system however. There are dampening adjustment motors and position feedback sensors at each shock that monitor the rotary position of an actuator shaft and if their outputs are not what the computer expects to see, you get a SRS trouble light. The computer also looks at the vehicle speed sensor plus checks itself.

When did the c4vettes FX-3 SRS come out?

Beginning with the 1989 model year, the FX-3 Selective Ride Control System (SRS) Regular Production Option (RPO) was available. It has three driver selectable suspension setups and is a very useful accessory, particularly if you race your car or participate in rally events. RPO FX-3 was optional on regular C4 models and standard on the ZR-1.

When did the FX-3 suspension system come out?

FX-3 Selective Ride System Beginning with the 1989 model year, the FX-3 Selective Ride Control System (SRS) Regular Production Option (RPO) was available. It has three driver selectable suspension setups and is a very useful accessory, particularly if you race your car or participate in rally events.

What kind of shock absorbers do c4vettes use?

As delivered, it used special Bilstein shock absorbers. The 4 shocks are only part of the system however. There are dampening adjustment motors and position feedback sensors at each shock that monitor the rotary position of an actuator shaft and if their outputs are not what the computer expects to see, you get a SRS trouble light.