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Rear Suspension Question

  • Thread starter Thread starter mikebrewer1
  • Start date Start date Sep 27, 2006
M

mikebrewer1

New Member
Jun 19, 2005
20
0
0
Myrtle Beach
Sep 27, 2006
#1
  • Sep 27, 2006
  • #1
I have a 93 Cobra that I bought bone stock 4 years ago with 29k miles on it. I upgraded the suspension a year later with the following:

FRPP Progressive springs front and rear.
Mac Upper/Lowers
BBK Subs

Last year the Mac Upper control arms went on the driver's side with only 4k miles on them. I trashed the Mac Uppers/Lowers and replaced with FRPP uppers and Maximum lowers. I also replaced the stock rear shocks with KYB AGX adjustables when putting in the new uppers/lowers.

I've been working on another problem with the rear end this past week ( but won't get into that one ) and noticed that the driver's side suspension is softer than the passanger side.....at least it seems that way....

When I lift the rear from the diff housing ( in the middle of the pumpkin ) the driver's raises about 2" before the passenger side engages. Then, when the passenger side engages, the car starts to raise....there is almost no give on the passenger side. Also, if the car is on jackstands with the stands holding the car on the rear frame.....the driver's side will raise off the jackstand well before the passenger side.

Has anyone seen this? Is this normal, plz forgive me as I am a newbie....but trying

thanks
 

MikeC

Founding Member
Aug 1, 2002
240
0
16
SLC, UT
Sep 27, 2006
#2
  • Sep 27, 2006
  • #2
Not normal. Could be mismatched springs, bad shock, frozen bushing in control arm. Switch the shock/spring/arms from side to side until you find which part is causig the difference.
 
D

d.s.s 306x

New Member
Aug 16, 2006
27
0
0
Elma wa
Sep 27, 2006
#3
  • Sep 27, 2006
  • #3
I've got three mustangs an 88gt 85 vert and an 95 vert they all do the same thing
 

srothfuss

Last night I stabbed the same guy 7 times in a row
Oct 17, 2004
1,796
3
0
Woodward Ave.
Sep 28, 2006
#4
  • Sep 28, 2006
  • #4
All of the torque on transfered to the right rear corner of the car... This puts more wear and tear on this side of the suspension components. Now, I can not say if what you are experincing is normal because I never jacked up both sides at once but I can see it happening.

I might not help, but at least I have an explination for you.
 
M

mikebrewer1

New Member
Jun 19, 2005
20
0
0
Myrtle Beach
Sep 28, 2006
#5
  • Sep 28, 2006
  • #5
MikeC said:
Not normal. Could be mismatched springs, bad shock, frozen bushing in control arm. Switch the shock/spring/arms from side to side until you find which part is causig the difference.
Click to expand...

Thank you, I'll give it a shot
 

bryce93lx

Member
Jan 20, 2006
88
1
19
Luke AFB AZ
Sep 28, 2006
#6
  • Sep 28, 2006
  • #6
even is they are not broken put new shocks on will make a huge difference, and if you really want it to handle good get the maximum motorsports coil over kit you will never regret it for a second, makes it a whole new car, subframes connectors are also a must
 
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