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

C4 front clip into Nova/Setting ride height

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Old Jun 26, 2006 | 06:47 PM
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Default C4 front clip into Nova/Setting ride height

Hey guys just a couple quick questions about setting up my Nova with a 85 C4 front clip.

Anyone know proper stock ride height based on a-arm location/angle?

Anyone have an up close picture or a diagram of the upper control arm mount & hardware? My clip came disassembled and I just want to make sure everything is proper.

With the front clip sitting here as pulled off the donor vehicle the toe out is very bad(about an inch and half difference from front to rear of tire). I have looked at every possible variable and I still don't see why this could be. Unless I have the ride height waaaay off and the angle of the tierods are pushing them out. I saw the donor car and it wasn't crashed. Any ideas?










Last edited by slow4dr; Jun 26, 2006 at 08:19 PM.
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Old Jun 26, 2006 | 09:47 PM
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I dont see the steering rack in that pic. How can you get toe, if there are no tie rods ??
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Old Jun 27, 2006 | 12:05 AM
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Originally Posted by Spankyellow
I dont see the steering rack in that pic. How can you get toe, if there are no tie rods ??


Sorry, I installed the rack after the pic was taken. I couldn't really tell how bad the toe was in the pic so I didn't bother.
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Old Jun 27, 2006 | 12:30 AM
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Man do you have energy!!!
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Old Jun 27, 2006 | 08:48 AM
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Originally Posted by slow4dr
Anyone have an up close picture or a diagram of the upper control arm
mount & hardware?
The following image is from an article by Andy Bolig that appeared in
Corvette Fever.



This is the pass side of an '85. However, in this pic the spacers
shown between the alignment shim packs and the upper control
arm shaft are from a newer car.

The article is about rebuilding the front end of an '85 and there
are more suspension images that may be of interest.
Here is another article with pictures of an '84
Chris Petris of www.CorvetteClinic.com worked with Andy Bolig on
both articles.

.
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Old Jun 27, 2006 | 09:49 AM
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Doubt this info is any help, but i'll post it any way.
http://members.shaw.ca/agent86/Frame%20Dimensions.pdf
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Old Jun 28, 2006 | 03:29 PM
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Thanks for the help guys, I really appreciate it! This will come in very handy in the next few weeks.

The height measurement from the bottom of the cross member to the ground on a stock height car will get me close enough at this time if someone has it.
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Old Jun 28, 2006 | 06:09 PM
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IIRC, the lower control arm is perpendicular to the ground. If nothing else, that's a good start point.
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Old Jun 28, 2006 | 06:16 PM
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Originally Posted by bogus
IIRC, the lower control arm is perpendicular to the ground. If nothing else, that's a good start point.

I am sure you meant parallel but that is exactly what I needed. Thanks again everyone!
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Old Jun 28, 2006 | 07:23 PM
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yea, parallel... oops... :o
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