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

coil overs

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Old Jun 30, 2007 | 11:02 PM
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does anybody have the coilovers from exotic muscle, good or bad expierences, plan on getting some and any suggestions would help.

1996ce
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Old Jun 30, 2007 | 11:16 PM
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Old Jul 1, 2007 | 03:21 AM
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Originally Posted by franks96ce
does anybody have the coilovers from exotic muscle, good or bad expierences, plan on getting some and any suggestions would help.

1996ce
3

I have seen them on a customers car and they looked really cheap.
I can't say enough about the QA1 coilovers. I feel sorry for any fool that may have been turned off by the ride quality of a C4 and ended up selling it for a big butt C5. Mine handles AND rides like a dream.
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Old Jul 1, 2007 | 01:11 PM
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Originally Posted by franks96ce
does anybody have the coilovers from exotic muscle, good or bad experiences, plan on getting some and any suggestions would help.

1996ce

When I called Merle at EM , he said the shocks will be "valved" to the driving style that you tell them, i.e street, autox etc. They are non adjustable in terms of shock travel dampening.

I did a search on EM CO's and there are several threads in this and the Autocross section

I don't think the people that EM's CO's have them dislike them at all.

If you want Adjustable Coil overs go to Mo's site for an example of what he uses. www.ndneyes.com The QA1's can have 12-way adjustability and can have 24 way adjustments, if you want to spend the extra $$$

BTW the shocks on Mo's site do not work with the older 85,86, 87 ?? narrow shock tower
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Old Jul 1, 2007 | 01:38 PM
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Originally Posted by LD85

If you want Adjustable Coil overs go to Mo's site for an example of what he uses. www.ndneyes.com
Mo knows coilovers! If you're going to bother, do the QA1s.
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Old Jul 1, 2007 | 04:26 PM
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Do coil overs make a big diff in ride? Its hard to get the wife to go on long trips because of the rough ride. allthough that might not be a bad thing.
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Old Jul 1, 2007 | 04:30 PM
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They can make a difference depending on the spring rate and the shock settings.
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Old Jul 1, 2007 | 04:33 PM
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Originally Posted by Vette Threat
3

Mine handles AND rides like a dream.
Just curious since this is a mod that's a definite to-do for me. What rates are you using?
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Old Jul 1, 2007 | 05:36 PM
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Originally Posted by Corvette Kid
Just curious since this is a mod that's a definite to-do for me. What rates are you using?
After trying several different spring rates I found that 400lb and 250lb suited me best. Prior to this there were certain areas of town I avoided, especially with my X who was SO fricken picky with ride quality but not no more. I have taken her for drives since and even she is amazed at how well the car handles our crappy downtown streets yet it's still slammed with poly bushings and it's original Z07 sway bars.

Another very interesting thing I noticed after I went to the 250lb spring is how well the car was in the rain with the G-Force tires and now the BFG Drag Radials. It use to really feel unstable at highway speeds in the rain when I had the 350lb springs in the back and Drag Radials but not no more.

I would love to try the double adjustables some time but it's pretty dam good just the way it is so if it ain't broke..........

If ride quality is your number one goal from your suspension I would go with the 12' QA1 ultra ride shocks and 200lb 12' springs in the rear. I use those on the back of mine (PromaStar in the front) and it really is pretty amazing how well they work.

I also use the C5 monospring rear bolt bushings. I originally used the bushings that came with the QA1s but they would be shot after a month since they were not intended to handle the weight of the car.

My shock settings are:

Daily driven: 3 front 3 rear

When on a date: 3 front 2 rear

When I'm in "that mood" 6 front 5 rear
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Old Jul 1, 2007 | 05:43 PM
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You might want to check this out.

http://zr1netregistry.com/forum/showthread.php?t=3592
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Old Jul 1, 2007 | 06:12 PM
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Originally Posted by Corvette Kid
Mo knows coilovers! If you're going to bother, do the QA1s.
Frank if you have questions feel free email or PM me...

I have all the part numbers... Also I suggest 350 - 400's for the front springs...

MO
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Old Jul 1, 2007 | 09:54 PM
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Originally Posted by Mo_Bandy
Frank if you have questions feel free email or PM me...

I have all the part numbers... Also I suggest 350 - 400's for the front springs.

MO
You should also take wheel travel and ride height into consideration when choosing spring rates and shocks.. If you really want the car slammed 350lb 10"springs won't be enough.
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Old Jul 2, 2007 | 01:14 AM
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Those numbers were to set the car at ~27 inches in the front and 27.75 in the rear with a full tank of gas. Which i explain on my website.

You drop 2 inches with only about 2-3 inches of travel you will need close to 700 - 800 pound springs... would not be a fun ride... unless you modify for a longer shock.

MO

Last edited by Mo_Bandy; Jul 2, 2007 at 01:33 AM.
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