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Old 10-26-2013, 02:11 PM   #1
Orange Crush 1LE

 
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Pedders Supercar Coilovers - street settings?

My Supercars are dialed in perfectly for the track, but I'm going to take a break from tracking for the winter and want to dial down the damping. Interested in the best ride, not best performance for the street. I'll dial them stiff again for the track before my next event.

Anyone have any suggestions for optimal damping for the street? My car's only lowered 1/2" front and 1" rear, so not much risk of bottoming out.

Thanks
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Old 10-26-2013, 11:06 PM   #2
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Ask Mr Pete.

I have a question why the ride height is set to take away the natural rake of the car?
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Old 10-27-2013, 11:38 AM   #3
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You have to play with them to see what you like for road feel, but on the street I have them softer, top adjustment 16 from full soft, canister 12 from full soft, front/rear same settings....still has some road feel, but ride quality is good...
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Old 10-27-2013, 11:54 AM   #4
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Quote:
Originally Posted by SPCBA View Post
Ask Mr Pete.

I have a question why the ride height is set to take away the natural rake of the car?
Good question for Jedi Master Pete. During install, we initially lowered it 1" R and 7/8" F, but per Pete's advice for optimum handling we lowered it by 1" R and 1/2" F (with stock tires/wheels). Good thing, because with my 315/30-18 track tires, the total drop is 2.2" R and 1.7" front. That is slammed, wouldn't want it any lower.
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Willow Springs Raceway, 1:33.78: http://www.camaro5.com/forums/showthread.php?t=343624
Buttonwillow Raceway, 1:57.47: http://www.camaro5.com/forums/showthread.php?t=354128
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Old 10-27-2013, 11:55 AM   #5
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Quote:
Originally Posted by So Cal Camaro View Post
You have to play with them to see what you like for road feel, but on the street I have them softer, top adjustment 16 from full soft, canister 12 from full soft, front/rear same settings....still has some road feel, but ride quality is good...
Thanks! I'll try that for initial settings.
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Cam, Longtubes, CAI. 496 RWHP, 473 RW Ft-Lb
Willow Springs Raceway, 1:33.78: http://www.camaro5.com/forums/showthread.php?t=343624
Buttonwillow Raceway, 1:57.47: http://www.camaro5.com/forums/showthread.php?t=354128
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Old 10-27-2013, 12:04 PM   #6
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If you're running the 305/30/19 wheel/tire setup that Pedders has, they dropped the front 15mm and 25mm rears. I think
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Old 10-27-2013, 12:21 PM   #7
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Quote:
Originally Posted by Orange Crush 1LE View Post
Good question for Jedi Master Pete. During install, we initially lowered it 1" R and 7/8" F, but per Pete's advice for optimum handling we lowered it by 1" R and 1/2" F (with stock tires/wheels). Good thing, because with my 315/30-18 track tires, the total drop is 2.2" R and 1.7" front. That is slammed, wouldn't want it any lower.
My i ask what your ride is height is with track wheels? Curious because i kind of did the same thing. Lowered car then put on shorter track tires and car was to low, had axle issues
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Old 10-28-2013, 04:39 PM   #8
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Quote:
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My i ask what your ride is height is with track wheels? Curious because i kind of did the same thing. Lowered car then put on shorter track tires and car was to low, had axle issues
Lowering the car with shorter tires does not effect the suspension. It's when you drop below an inch via springs or coilovers that you start having axle problems.

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Old 10-28-2013, 05:06 PM   #9
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Quote:
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My i ask what your ride is height is with track wheels? Curious because i kind of did the same thing. Lowered car then put on shorter track tires and car was to low, had axle issues
Blake, I haven't had a chance to take a measurement, but what Tyler said is the case. I didn't adjust the coilovers at all when I installed my 18" wheels. The suspension drop is still 1/2" F and 1" R. Then the smaller track tires drop the car another 1.2", so total drop is about 1.7" F and 2.2" R. Hope that helps. I can still take the measurement if you like.

What axle problems are you having? I have an issue too, but it was there before I dropped the car. At 90+ MPH, there's a pretty good vibration coming from somewhere, it sounds like drivetrain in the rear. Not sure what it is. It's as if something is out of balance in the differential or the half shaft assemblies. It has me concerned. So far no problems other than the noise. If anyone has any thoughts, please let me know.

Quote:
Originally Posted by Dyk-NO View Post
If you're running the 305/30/19 wheel/tire setup that Pedders has, they dropped the front 15mm and 25mm rears. I think
Yep, that's pretty much the same as 1/2" F and 1" R. For optimum handling, that's the drop.
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Cam, Longtubes, CAI. 496 RWHP, 473 RW Ft-Lb
Willow Springs Raceway, 1:33.78: http://www.camaro5.com/forums/showthread.php?t=343624
Buttonwillow Raceway, 1:57.47: http://www.camaro5.com/forums/showthread.php?t=354128
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Old 10-28-2013, 05:07 PM   #10
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What happens with the axles? Is there a fix? I plan on dropping my car at least 2" and plan on making 650-700rwhp

Thanks!!!
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Old 10-29-2013, 02:02 AM   #11
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Blake, more info on ride height. With the 315/30-18s, see attached pics.

1st pic: Front fender 27" above floor
2nd pic: Rear fender 27" above floor

3rd pic: Rocker near front 3-3/8" above floor (painted portion of rocker)
4th pic: Rocker near rear, below door seam 3-7/8" above floor (painted portion)

You can see from the rocker measurements, there's a subtle rake with the front a little lower, but the car is nearly level front to rear.
Attached Images
    
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Willow Springs Raceway, 1:33.78: http://www.camaro5.com/forums/showthread.php?t=343624
Buttonwillow Raceway, 1:57.47: http://www.camaro5.com/forums/showthread.php?t=354128
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Old 10-30-2013, 06:07 PM   #12
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What happens with the axles? Is there a fix? I plan on dropping my car at least 2" and plan on making 650-700rwhp

Thanks!!!
no one??
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Old 10-30-2013, 07:00 PM   #13
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no one??
More the 1" the axels are not at the right angle. One member out here had it lowered more and broke both on a roval track
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Old 10-30-2013, 10:14 PM   #14
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is there a fix for this?? I see tons of people with cars lowered more than 1". WHy are they not complaining of broken axles?
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Old 10-31-2013, 11:13 AM   #15
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is there a fix for this?? I see tons of people with cars lowered more than 1". WHy are they not complaining of broken axles?
The problem happens more when out on a road coarse or the curves. During daily driving, it's not near as common. The fix is better grease and axle boots from DSS. But still, the lower you go the more bind you put on the axles and the more heat you create; your axle's life will be decreased. Part of that "low life" I guess..

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Old 10-31-2013, 02:12 PM   #16
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I'm guessing when failure happens the cv blows up? Would putting a set of DSS axles in last longer since they are made with better materials than stock?

I have to figure out a solution. Camaro's at stock ride height look absolutely horrible!!! My car will be 99.99% street driven but will see some longer runs to lake country through some twisty roads and about 4-5 hrs of driving. I'm planning on making around 750rwhp. If you have or anyone for that matter has suggestions I'm all ears!!! Thanks.
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Old 11-20-2013, 03:00 AM   #17
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The solution would be to relocate the rear diff to a higher position but this is impossible because the drive shaft would also have to be moved upwards and would hit the valley where the shaft runs through and so on. Our cars would need to be redesigned underneath to fix this. Maybe the 6th gens would have this fix.
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Old 11-20-2013, 08:31 AM   #18
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The solution would be to relocate the rear diff to a higher position but this is impossible because the drive shaft would also have to be moved upwards and would hit the valley where the shaft runs through and so on. Our cars would need to be redesigned underneath to fix this. Maybe the 6th gens would have this fix.
No a few ppl have done it. As long as you don't have a 4" driveshaft there is room for it.

And 700hp on stock axles is a recipe for disaster anyways if you ask me.
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Old 11-20-2013, 08:33 AM   #19
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I'm guessing when failure happens the cv blows up? Would putting a set of DSS axles in last longer since they are made with better materials than stock?

I have to figure out a solution. Camaro's at stock ride height look absolutely horrible!!! My car will be 99.99% street driven but will see some longer runs to lake country through some twisty roads and about 4-5 hrs of driving. I'm planning on making around 750rwhp. If you have or anyone for that matter has suggestions I'm all ears!!! Thanks.
With 99.9% street driven you'll probably be just fine. I lowered my car by 1" about 3 yrs ago, then about 2 yrs ago I went to 1.5" lower. About 5 Auto-X events, 1 Road Course day, maybe 40 - 50 runs at the drag strip, and the rest of my almost 4 yrs with the car being street driven I haven't had an issue yet. Not to say it couldn't happen. However, I'm willing to take the risk. The stock wheel well gap on these cars looks stupid IMO. Especially once you see one lowered.
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Old 11-20-2013, 08:47 PM   #20
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For the axle problems, if it's excessive CV angles you could look at what the offroad people do. You can clearance the cages and center star of the CV to allow for more CV angle. Most of the offroad cars use either 930 or for higher HP applications 935 CV's. The 930 CV's I ran on my sand car could tolerate a 28 deg included angle but I did tear them down once a year for maintance and inspection. chrome moly cages and polished stars will also help them last longer. For long travel sand cars they are considered a wear item and we always carried spares just in case.
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