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Old Feb 20, 2021 | 03:08 PM
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Default Questions about lowering c5

If I recall correctly, it seems that when people lower their c5 on stock bolts, they get the desired result on one axle but not the other. I can't recall if the front or rear goes down enough. Can someone help me with that? Also, at that point, if you want to go lower, you have to get an aftermarket lowering bolt/kit. I know swapping out the fronts bolts is a pita, but how about the rears? Some older threads had people recommending vms racing lowering kit. That still the case?

Dave
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Old Feb 20, 2021 | 04:47 PM
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My car has ZIP's kit.

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Old Feb 20, 2021 | 06:52 PM
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Originally Posted by djohn3853
If I recall correctly, it seems that when people lower their c5 on stock bolts, they get the desired result on one axle but not the other. I can't recall if the front or rear goes down enough. Can someone help me with that? Also, at that point, if you want to go lower, you have to get an aftermarket lowering bolt/kit. I know swapping out the fronts bolts is a pita, but how about the rears? Some older threads had people recommending vms racing lowering kit. That still the case?

Dave
I used the VMS kit. If I remember correctly it was the rear that was maxed out on the stock bolts that made me get the kit. I know in my case the front was a PITA, but only on one side. One of the bolts was seized in the leaf. It took about an hour with a torch, PB Blaster, ratchet and vice grips to get it out.




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Old Feb 20, 2021 | 07:13 PM
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Here is mine shortly after lowering on stock bolts and installing C6 Z06 anti sway bars. The Z06 shocks, added later, made it higher but not noticeably, just enough to not scrape the air dam so much.




Before......


Last edited by Oh 2 Fun; Feb 20, 2021 at 09:01 PM.
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Old Feb 20, 2021 | 08:43 PM
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You should also consider getting an alignment on all 4 wheels after you get it where you want it, drive it for a few days for it to fully settle then align it.
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Old Feb 21, 2021 | 09:06 AM
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Originally Posted by PerryKing
I used the VMS kit. If I remember correctly it was the rear that was maxed out on the stock bolts that made me get the kit. I know in my case the front was a PITA, but only on one side. One of the bolts was seized in the leaf. It took about an hour with a torch, PB Blaster, ratchet and vice grips to get it out.


I'm a little confused. did you swap out the front bolts with vms? I read some negative stuff here about the vms bolts. Have you had any issues? how long you had them on?
Perry, i love your car. After seeing yours I was determined to get some Crays on mine. But availability was an issue and i found some c7 base wheels on ebay for less than half the cost and bought them.

Dave
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Old Feb 21, 2021 | 09:28 AM
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Originally Posted by djohn3853
I'm a little confused. did you swap out the front bolts with vms? I read some negative stuff here about the vms bolts. Have you had any issues? how long you had them on?
Perry, i love your car. After seeing yours I was determined to get some Crays on mine. But availability was an issue and i found some c7 base wheels on ebay for less than half the cost and bought them.

Dave
Thanks Dave
I did do the full kit. I haven’t had any issues with the front bolts. I put them on the car sometime in September so I’ve probably only got a couple hundred miles on them. Not really sure what issues the bolts could cause.
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Old Feb 22, 2021 | 08:34 AM
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I use the bolt kits from Van Steel. The front doesnt get the car much lower than stock, but the rear bolts are really long. When I do alignments for C5s for the track, I can only get so low in the rear on stock bolts and it still looks tall. The Van Steel bolts are really long and you can make the height whatever you want and cut the rest off if needed.

Rear:
https://www.vansteel.com/index.cfm?f...p=1949&ID=3503

Front:
https://www.vansteel.com/index.cfm?f...p=1949&ID=3476
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Old Feb 22, 2021 | 03:18 PM
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You can achieve a PROPERLY lowered car without needing to spend money. You CAN go too low to upset the suspension and or be close to bottoming out shocks. plus going too low makes the car useless over speedbumps or steep driveways.

You can remove the front bolts and cut all but one of the rubber discs off then reinstall them (still retaining a rubber disc for contact to the LCA). The rear you can achieve a lower height without any new bolts as well.

Worst case you go to a hardware store and buy a physically longer rear bolt.

Good rule of thumb I go by is "two finger front, three finger rear". Take your index+middle finger stacked vertically as a tire to fender gap for front. Index/middle/ring finger for rear gap height. I know I know people have different size fingers, but it's a quick/easy method to keep from going TOO low.

Last edited by smitty2919; Feb 22, 2021 at 03:20 PM.
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