Greg MFn Z

When I shift gears aggressively , the whole car shifts sideways a bit. feels loose and sloppy. I don't know the first thing about which bushings effect what, or which I need to change. What kit should I purchase and what should I expect to pay in Labor. I am not a DIY person.

xrav22

After I changed all of my bad bushings in the rear I still felt a little jump to the side when going over a bump. I searched for months and it was the lower shock bolt stem which was slightly loose, wow what a rattle. The strut bushings need to be taken apart to see them, but the camber Bushings, trailing arm bushings and rear sway bar ends are all culprits. Now I have a very tight rear suspension and I did not do the batwing bushings yet.
Good luck

383vett

Check your alignment too mic the rear thrust angle is odd, your car will jump sideways on acceleration.

Greg MFn Z

Drive it again today. It's not just aggressive shifting , but normal shifting. It's almost too dangerous to drive. What bushing kits should I be buying to tighten this car up?

xrav22

It is hard to say when I bought mine I took the wheel off and had no sway bar bushings at all. So I changed them. Have to have a look in there . The only ones you cannot see at all are the strut rod bushings. They are behind the bolts. Replace as needed I dont think a kit is much of a savings. I used the red poly and the grease no squeaks yet.
Here are a few pics from my 85


You have to start wiggling so you know what to replace 1st.

gerardvg

Hi

The bushes can only be checked when removed from the car,
its not as easy as you would expect.
Perhaps get a 4 wheel alignment done before spending a weekend replacing all the cars bushes.

My tips are cut the outer rubber away, use a drill and drill holes through the rubber for easier removal with a vice and sockets.

I did notice the suspension seems 30% stiffer and more "bouncy"after replacing all the bushes, they don't make rubber ones anymore
that is the down side. the prothane bushes are a tight fit that resist suspension movement .... even with the special lube.
I am eyeing some Banski trailing arms with spherical rod ends that do not restrict suspension movement, cant stand the bouncy feel.
See link below

http://www.ebay.com/itm/C4-Corvette-...19.m1438.l2649

I already have the banski rear spindle / camber rods for precise camber adjustment that doesn't move over rough roads.

The movement you are experiencing is most likely the spindle rods /camber rods, they were shot on my c4 with 170,000 miles.
The trailing arm bushes were ok but had a few cracks, i regret having replaced the rubber bushings with prothane ones because of the harsh ride afterwards....

hcbph

Add another vote for the Banski Suspension package for enhanced handling requirements on a C4. I've put them on my 86 last year and it's made a world of difference in how my car handles on those windy country roads.

Put them on, get a 4 wheel alignment and you'll be amazed on the difference in handling.