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Old 11-02-2013, 09:53 AM   #1
Rlandon87
 
Drives: 2013 SW LT
Join Date: Oct 2013
Location: NLR, AR
Posts: 52
So what would happen....

I'm not super familiar with suspension physics...

Factory Spring rates are around 210 FR / 400 Rear...

So what would happen if I put on 1.25 drop all around with 280 FR/ 230 Rear.


The rear is showing a significantly lower rate. What would the effects be? Bouncing in the rear like an old Cadillac?
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Old 11-02-2013, 10:23 AM   #2
Dyk-NO

 
Drives: 2010 Camaro LS M6
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It would actually be firmer when you use drop springs.
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Old 11-02-2013, 11:36 AM   #3
Rlandon87
 
Drives: 2013 SW LT
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Firmer with half the spring rate?
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Old 11-02-2013, 11:40 AM   #4
Rlandon87
 
Drives: 2013 SW LT
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I don't think you read it all lol... I know it'll be mushy... Just wasn't sure if the car would bounce extremely bad, wheel hop, sag when trunk is stuffed, have poor turn performance, or blow out shocks...

I ordered BMR 1" all over. I was only wondering about the other info because I have a set of Tuning Pro springs I got free- was going to use them but not worth it.
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Old 11-04-2013, 08:53 PM   #5
jgalewsk
 
Drives: 2013 Summit White Camaro 2SS RS 1LE
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Location: Lafayette, LA
Posts: 266
I would assume it would bounce around like crazy, unless the dampeners can keep it from doing that... not too sure. I have a similar question about spring rates... stock vs lowering springs vs coilovers?

Stock:
165 lbs/in front
370 lbs/in rear
45% front to rear ratio

Pfadt:
210 lbs/in front
395 lbs/in rear
53% F/R ratio

BC coilovers:
448 lbs/in (8kg/mm)
560 lbs/in (10kg/mm)
80% F/R ratio

Is there any reason that the F/R ratio changes so much when moving to coilovers? ~50% to 80%?!
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Old 11-13-2013, 04:31 PM   #6
JacekPSUr1
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