C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Replacing FX3 shocks

Old Nov 6, 2003 | 05:23 PM
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hrk
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Default Replacing FX3 shocks

I have two trouble codes on my -92 Coupe with FX3.
They say that left front and right rear out of range. I peeked under actuator on left front and noticed metal gear was broken and I assume the counterpart in actuator is gone too.
I suspect it is similar situation in the back too.

Does anybody have extra actuators for sale so I can get full set for rebuilding the shocks?

Or should I pull the plug from this system, which appears to be a bit fragile by design and get set of non adjustable Bilstein shocks?
Which finally brings me into point:
How different are the shocks between Z51 and FX3 ? Are they bolt in physically? Do they match with spring rates and sway bars or are they too firm for rest of the equation. I have Adjustable Performance Suspension Package (Z07).
Or would it be better to buy standard Bilstein shocks instead of Z51?

Thank you in advance
hrk :auto:
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Old Nov 6, 2003 | 08:16 PM
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Default Re: Replacing FX3 shocks (hrk)

If you want my opinion, fix the system. Its one of the most expensive options your car has, sets it apart from the rest, and the system is great when its working.
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Old Nov 6, 2003 | 09:02 PM
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Default Re: Replacing FX3 shocks (1MoorTym)

Hi

I agree. Fix the FX3. When I got my car I had a similar problem.
The system is not fragile!

I think the reason the gears break are because the bushings on the shocks wear out and the shock then sits to high in the actuator. This condition will also throw a code!

What I did for my front shocks was take a washer-file to fit and installed between the bushing (to lower the shock) of course you can get new bushings.
This did work and has not thrown a code in over 1 year! Plus please note that I also Road Race this car about 4 times a year! I am going to Lime Rock this Sat. 11/08/2003.

Good Luck

Steven
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