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[Z06] 2003 ZO6 Sits Too High

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Old Aug 16, 2023 | 04:58 PM
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Default 2003 ZO6 Sits Too High

My issue is in the title

I just bought this car in flawless condition with 20k miles. The previous owner bumped up the wheel sizes one inch, to 18s front/19s rear. 325's on the back. I would THINK that would fill the wheelwells even better than stock, but the pic speaks for itself. Any thoughts on what the problem could be? And/or good ways to set about fixing it?

Thanks!


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Old Aug 16, 2023 | 05:06 PM
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That does not look like the factory ride hight to me.

Sorry I can't help ya. Congrats on the car! Beautiful!
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Old Aug 16, 2023 | 05:50 PM
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Lower it via the lowering bolts- many youtube videos showing how to do it.
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Old Aug 16, 2023 | 06:18 PM
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From where I sit, the rear could come down, maybe 1/2", but the front seems to be OK. As stated in the above post, you use the bolts that pass through the spring. (in the rear, that is.....)
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Old Aug 16, 2023 | 09:53 PM
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Bigger wheels but lower profile tires, Should be near the same height.
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Old Aug 16, 2023 | 10:10 PM
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I have 19" wheels all the way around. I recently added LG GT2 coil overs and had to adjust mine back down to my target height which is a little lower than stock, but not slammed. For reference, I am at 27" fender to floor in the rear and 26" from fender to floor in the front.





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Old Aug 17, 2023 | 08:30 AM
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Originally Posted by RWD-FAN
The previous owner bumped up the wheel sizes one inch, to 18s front/19s rear. 325's on the back. I would THINK that would fill the wheelwells even better than stock, but the pic speaks for itself. Any thoughts on what the problem could be? And/or good ways to set about fixing it?
The aspect ratio of the tires determines the height of the sidewall. Naturally, the smaller the sidewall, the larger the gap from tire to wheelwell (all other factors being equal).

This is the trim height adjustment for the front. It's from one of the documents in the service manual sticky post. Look in your specific service manual to see if your car has a different process.
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File Type: pdf
2000-01 FRONT SUSPENSION.pdf (1.40 MB, 174 views)
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Old Aug 17, 2023 | 09:18 AM
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It looks as if someone raised the back. Might check to see and make sure it was not raised to eliminate a fit issue.

That or someone was running shine in the trunk of that thing. LOL!

Or someone just raised it for the heck of it. Not sure why but I have seen it done before.
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Old Aug 17, 2023 | 09:28 AM
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Mine has the same set up 19/18's although I have 305's in the back, stock height. As others have said, looks like yours was raised, adjust the lowering bolts and you should be GTG-


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Old Aug 17, 2023 | 09:28 AM
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Thanks all - I learned a few things!
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Old Aug 17, 2023 | 09:29 AM
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Originally Posted by MSG C5
I have 19" wheels all the way around. I recently added LG GT2 coil overs and had to adjust mine back down to my target height which is a little lower than stock, but not slammed. For reference, I am at 27" fender to floor in the rear and 26" from fender to floor in the front.



Just want to say from that side view, that is about perfect to my eyes. Also I love that wing!
I feel like the rear end needs a lil something, but a couple I looked at had rather "extreme" wings that maybe were trying too hard..... Like, could serve a banquet for 8 on them
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Old Aug 17, 2023 | 10:46 AM
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I’m going to disagree with what most have said here…. I think you’re pretty close to factory ride height…. But if not it may be for fitment issues as noted…. I believe to run that wide of tire on the rear your factory brake ducts had to be removed …. Might check that as well…. Easy problem to remedy as noted by lowering factory bolts…. I dropped mine from factory height but ended up going back up in the rear… I’m not a fan of the lowered rear end appearance especially on an FRC…… I like the raked look myself

here are a few pics of mine at factory height before I made any adjustments to the bolts






Great purchase by the way you’re going to love it!

Last edited by Tyler_RN_EMT; Aug 17, 2023 at 11:39 PM.
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Old Aug 17, 2023 | 10:50 AM
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Could the Yellow paint exaggerate the look as it highlights the tire gap?

Also the angle the photo is taken can add to the gap.

Last edited by hyperv6; Aug 17, 2023 at 01:22 PM.
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Old Aug 17, 2023 | 01:21 PM
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After seeing Tyler RN EMT's pics yours does look factory.

Just keep in mind if you lower it you're probably going to scrape here and there. Mine is lowered an inch and I'm thinking about going back to stock height.
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Old Aug 17, 2023 | 05:25 PM
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Originally Posted by hyperv6
Could the Yellow paint exaggerate the look as it highlights the tire gap?

Also the angle the photo is taken can add to the gap.
True it's "less bad" at some angles-

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Old Aug 17, 2023 | 09:44 PM
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Originally Posted by RWD-FAN
True it's "less bad" at some angles-

this angle definitely makes me think you are just at stock height…. They come pretty ridiculously high. Go on YouTube and find the original Z06 owner videos…. GM even recommends you lower the car before any track or auto cross events. Plus it’s a fun watch if you don’t mind some 90s/early 2000s wardrobes and crappy cgi 😂

car looks great with the C6 Z wheels BTW!
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Old Aug 18, 2023 | 03:58 PM
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Lowing bolts will bring your car down. Mine is 3 inchs off the ground.
But, I think your car looks pretty good just like it is.
Good luck
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