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Old 06-15-2016, 01:49 PM   #1
Mrbowtie26
 
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Pfadt 1.25"lowering springs didn't work as expected

Recently installed Pfadt 1.25" lowering springs on my 2015 1LE and didn't get the results I was hoping for. The front seemed to drop about 3/4" and rear seemed to drop only about 1/2-5/8" and this is after I made sure the bushings were all timed. I have not brought it in for an alignment yet as I was hoping the springs would settle after a few days but I'm not sure how much I want to drive it without the alignment. Any ideas or experience that it may take some miles to settle ? I was under the impression that there shouldn't be much settling with a good quality spring.
Thanks

p.s not sure if the alignment would make the car a bit lower or not depending where the current alignment is. I did mark the struts and all of the bolts and put back to factory locations while doing the job
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Old 06-15-2016, 02:17 PM   #2
Shawno72
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At first my didn't come out as low as advertised but after the alignment and a few weeks she settled down to within 1/16" of the 1.25" expected drop. Plus they ride really well.
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Old 06-15-2016, 02:20 PM   #3
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If you did time the bushings, there shouldn't be much settling. We routinely time bushings and align after. Get her aligned, be sure you get a before and after print out. If they will let you, check the ride heights on the rack, before and after.
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Old 06-15-2016, 03:16 PM   #4
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Quote:
Originally Posted by JusticePete View Post
If you did time the bushings, there shouldn't be much settling. We routinely time bushings and align after. Get her aligned, be sure you get a before and after print out. If they will let you, check the ride heights on the rack, before and after.
Do you think it's worth it to wait a week or so encase it does settle a little or no ?
Thanks for the info I appreciate it.
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Old 06-15-2016, 03:19 PM   #5
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Originally Posted by Mrbowtie26 View Post
Do you think it's worth it to wait a week or so encase it does settle a little or no ?
Thanks for the info I appreciate it.
no sir, get her aligned
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Old 06-15-2016, 03:48 PM   #6
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Originally Posted by JusticePete View Post
no sir, get her aligned
I'm still debating how I want it aligned being I don't track the car. Possibility I will one day but there's more chance I'll go to the dragstrip than a road course currently.
I was thinking of maybe -1.5 front camber with 0 total toe, and -0.20 rear camber with 0.20 total rear toe. I currently have bmr toe links and trailing arms (non adjustable) along with rear subframe bushings and rear differential relocation bushings in. Any opinions if that would be fine for a street setup that will see some 1/4 mile time ? I'm not too worried about wearing the tires but more so for rear traction in a straight line (I know 0 camber would be better for that but I figured it may be better to have a little negative camber in the rear being the car is my dd in the summer)
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Old 06-15-2016, 09:04 PM   #7
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Quote:
Originally Posted by Mrbowtie26 View Post
Recently installed Pfadt 1.25" lowering springs on my 2015 1LE and didn't get the results I was hoping for. The front seemed to drop about 3/4" and rear seemed to drop only about 1/2-5/8" and this is after I made sure the bushings were all timed. I have not brought it in for an alignment yet as I was hoping the springs would settle after a few days but I'm not sure how much I want to drive it without the alignment. Any ideas or experience that it may take some miles to settle ? I was under the impression that there shouldn't be much settling with a good quality spring.
Thanks

p.s not sure if the alignment would make the car a bit lower or not depending where the current alignment is. I did mark the struts and all of the bolts and put back to factory locations while doing the job
Very sorry to hear this. I hope the alignment and a little more time yields the results you were hoping for. Keep us posted please. Very interested to see how this turns out.
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Old 06-15-2016, 10:32 PM   #8
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Very sorry to hear this. I hope the alignment and a little more time yields the results you were hoping for. Keep us posted please. Very interested to see how this turns out.
It does seem to have settled a bit the last couple of days. Ive taken a couple of short drives to work (8 miles each way) that seemed to have helped a bit. Still not quite down 1.25 but probably an inch. I'll keep you updated. Just deciding on alignment specs at the moment.
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Old 06-16-2016, 12:53 AM   #9
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Originally Posted by Mrbowtie26 View Post
It does seem to have settled a bit the last couple of days. Ive taken a couple of short drives to work (8 miles each way) that seemed to have helped a bit. Still not quite down 1.25 but probably an inch. I'll keep you updated. Just deciding on alignment specs at the moment.
If I remembered correctly Pfadt recommends an alignment to make the best out of your upgrade, other wise you get all kinds of weird shit on your suspension geometry.
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Old 06-16-2016, 08:32 AM   #10
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Quote:
Originally Posted by Mrbowtie26 View Post
I'm still debating how I want it aligned being I don't track the car. Possibility I will one day but there's more chance I'll go to the dragstrip than a road course currently.
I was thinking of maybe -1.5 front camber with 0 total toe, and -0.20 rear camber with 0.20 total rear toe. I currently have bmr toe links and trailing arms (non adjustable) along with rear subframe bushings and rear differential relocation bushings in. Any opinions if that would be fine for a street setup that will see some 1/4 mile time ? I'm not too worried about wearing the tires but more so for rear traction in a straight line (I know 0 camber would be better for that but I figured it may be better to have a little negative camber in the rear being the car is my dd in the summer)
-1.5 front will wear the inside shoulders of your tires. It will turn well, but wear the tires. -1.25 would be easier on the tires an almost as good. In the rear, -0.50 will work well for hard launches and loosen the rear up a bit to lessen the understeer.
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Old 06-16-2016, 09:31 AM   #11
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Originally Posted by JusticePete View Post
-1.5 front will wear the inside shoulders of your tires. It will turn well, but wear the tires. -1.25 would be easier on the tires an almost as good. In the rear, -0.50 will work well for hard launches and loosen the rear up a bit to lessen the understeer.
Thanks, I appreciate the input
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Old 06-16-2016, 11:40 PM   #12
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Post #4 in this thread has the Pfadt recommended alignment specs based on how you use your car. I had my dealer do the street performance alignment.

http://www.camaro5.com/forums/showthread.php?t=209730
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Old 06-20-2016, 02:14 PM   #13
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So final input is there's no way the car dropped 1.25" Maybe at most 1" but that's even pushing it. Debating what to do now as I could deal with it but I want another 1/2" lower..... I got the alignment done btw. Suprisingly the before camber was pretty good mainly the toe in front and back was off. Ill post a pic of the current alignment they peft it at. Its not perfect but its better than it was
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Old 06-20-2016, 02:19 PM   #14
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Current alignment specs

Heres a current pic of the current alignment.
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