Suspension and Chassis Questions about your suspension? Need chassis advice?

how low is to low??

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Old Mar 9, 2012 | 01:05 PM
  #1  
tmknow3's Avatar
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From: King NC
Car: 91 z28
Engine: 305 tpi
Transmission: WC t5
Axle/Gears: 3.23 posi
how low is to low??

i lowered my 91 z28 2 inches and was wondering if yall think its to low or if i should go more? ive got about 5 inches between the nose and the ground
Attached Thumbnails how low is to low??-img_0705.jpg   how low is to low??-img_0706.jpg   how low is to low??-img_0707.jpg  
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Old Mar 9, 2012 | 05:09 PM
  #2  
Slow88lb9's Avatar
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From: Jamestown NY USA
Car: 88 Iroc 91 Z28
Engine: 5.0 LB9
Transmission: WC T5 / 700R4
Axle/Gears: 10 bolt 3.73
Re: how low is to low??

Front looks good maybe a little more on the back.
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Old Mar 9, 2012 | 05:13 PM
  #3  
Adrenaline1's Avatar
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From: Holland, MI
Car: 1982 Firebird
Engine: 2.8 N/A
Transmission: Manual 4 Speed
Re: how low is to low??

Looks good to me. Im constantly amazed by how different claimed drops of the same distance can look totally different from car to car. I think the main problem is people just assume a spring thats supposed to drop a car so many inches actually does. I really with people would actually measure rather than throwing out numbers that probably arent accurate.

Front ends typically tend to be lower because of all the weight up front but imo it looks better with a little rake anyway.

Im crossing my fingers that my 2in. drop isnt way to low since i cant seem to find ay good things to compare to.
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Old Mar 9, 2012 | 08:44 PM
  #4  
Lonnie P's Avatar
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From: Pittsburgh, PA
Car: 91 Formula
Engine: 2012 LS9
Transmission: 4L80E
Axle/Gears: Strange 60 3.54:1
Re: how low is to low??

Typically you go with stiffer springs as you go lower... This tends to reduce suspension movement & will prevent bottoming, even though it is lower.

Not sure what springs you have, but I prefer a fixed rate, although progressives ride softer, you can have more bottoming issues with the softer initial rates.

Also good shocks will help to control the suspension better & prevent some bottoming issues.

My '91 Formula has approx. the same distance from the fender to tire as you (it is lowered 2.5" actual, compared to a 17K mile original car.) & I never bottom out the undercarriage. Your front spoiler may be a problem depending on what type of steep driveways etc. that you encounter.

I have 800# Global West competition springs, Koni's & 275/40/17's & I do not have issues even on rough PA roads, & I drive it hard, like it was meant to be driven. I used extended ball joints to help preserve the proper geometry, in addition to a spring with less drop.

Low looks good, but any lower & you will be putting the front suspension at a geometry that reduces handling. Keep it off the bumpstops & modify what you have to so that your car corners well.

Depends on what your goals are, as to how low you want it.

Last edited by Lonnie P; Mar 9, 2012 at 08:57 PM.
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Old Mar 11, 2012 | 01:45 PM
  #5  
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Re: how low is to low??

I've lowered mine this winter but haven't gone for a drive yet hope it isn't to harsh and that is a twoonie not a quarter
http://m1063.photobucket.com/albumvi...?o=15&newest=1
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Old Mar 11, 2012 | 03:52 PM
  #6  
DBLTKE's Avatar
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From: Aloha, Oregon
Car: '91 Camaro Z28, '85 Camaro Z28
Engine: LB9, LB9
Transmission: T5, 700r4
Axle/Gears: Eaton 3.73 Posi, 3.23 Posi
Re: how low is to low??

Nah, no such thing as too low.
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Old Mar 11, 2012 | 03:54 PM
  #7  
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From: Holland, MI
Car: 1982 Firebird
Engine: 2.8 N/A
Transmission: Manual 4 Speed
Re: how low is to low??

I live in michigan, so, imo, there is such a thing as too low (in some areas). lol
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Old Mar 11, 2012 | 04:07 PM
  #8  
DBLTKE's Avatar
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From: Aloha, Oregon
Car: '91 Camaro Z28, '85 Camaro Z28
Engine: LB9, LB9
Transmission: T5, 700r4
Axle/Gears: Eaton 3.73 Posi, 3.23 Posi
Re: how low is to low??

And I live in Portland. You plan your routes and avoid speedbumps and certain streets/driveways. Remember, low is a lifestyle.
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Old Apr 28, 2012 | 01:10 PM
  #9  
eighty8's Avatar
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Car: 1988 IROC-Z
Engine: 305 TBI
Transmission: TH 350
Re: how low is to low??

I have about the same ride height as you and to tell you the truth I wouldn't go lower. Biggest problem I've had so far is speed-bumps and finding low jacks. That being said why not try some bigger tires in on the back?
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Old Apr 28, 2012 | 08:29 PM
  #10  
tvc 15's Avatar
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From: Black Hills
Car: 88 rs
Engine: ls1
Transmission: t56
Axle/Gears: moser 4:10
Re: how low is to low??

Not to steal this thread, But how much ground clearance do you have on your front crossmember?
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Old Apr 28, 2012 | 10:33 PM
  #11  
InfernalVortex's Avatar
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From: Macon, GA
Car: 1992 Camaro RS
Engine: Vortec headed 355, xe262
Transmission: T56
Axle/Gears: 9-bolt 3.70
Re: how low is to low??

A claimed X inch drop is going to vary according to car weight anyway. Heavier cars will drop farther than light ones.
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Old Apr 28, 2012 | 10:36 PM
  #12  
mwarner44's Avatar
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Re: how low is to low??

My front end scrapes all the time. It looks terrible. If I merge on to a road from a driveway or parking lot that has any kind of slope it will drag. Sometimes the front spoiler will even fold back if the slope is too much.
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Old Apr 29, 2012 | 12:21 AM
  #13  
patolaf1991's Avatar
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Re: how low is to low??

I went to go measure mine but I couldn't get under it to measure from crossmember to ground jk it was 3.5 inches
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