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Old 02-24-2012, 10:27 PM   #1
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20" wheels on lowered 2007

I am considering getting new tires and wheels on my 2007 GT .. And looking at a staggered 20" set from AM ... it is currently not lowered, however I am expecting to do that shortly as well.
Any concerns with rubbing or other issues I should be aware of?

Any recommendations ?
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Old 02-25-2012, 07:40 AM   #2
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Compare the diameter of your current tires with the ones that will be on your new 20" wheels. Just make sure the diameter is not too much bigger.
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Old 02-25-2012, 08:46 AM   #3
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Well my current wheels are 18s... I suspect if I move to 20s they will be wider right
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Old 02-25-2012, 09:18 AM   #4
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Quote:
Originally Posted by redfire
Well my current wheels are 18s... I suspect if I move to 20s they will be wider right
Go to www.discounttire.com they have a tire calculator so you can compare current tires to new ones. It gives diameter as well as width.
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Old 02-25-2012, 09:28 AM   #5
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Thanks for the discountire link.....butter I am more interested to identify if I might run into problems if/when I have the car lowered.
On American Muscle they have a great staggered set of 20s but I suspect the fitment is based on the regular stance..not.taking into account a 1 to 1.5 " drop.

Anyone have 20s on their lowered ride?
Should I skip lowering if I put 20's on?
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Old 02-25-2012, 10:22 AM   #6
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Re: 20" wheels on lowered 2007

Look at my ride....I'm running the staggered rims w/nitto rubber...no problems at all!
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Old 02-25-2012, 10:59 AM   #7
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Re: 20" wheels on lowered 2007

FRPP K springs (1.5) with a 35 series tire will have no issues with rubbing at all. Just don't go to wide up front,stick with a 8.5 or a 9 up front. No worries at all with the combo you are trying to run.....go for it!
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Old 02-25-2012, 04:24 PM   #8
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On the fence... Sounds like the ride comfort is sacrificed with 20s...
Might be able to achieve the look with lowered and 18s.
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Old 02-25-2012, 06:32 PM   #9
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I have Shelby razors with a 2553520 all the way around with h&r springs which are a 1.7 drop in the front and a 1.9 drop in the rear. No rubbing issues and looks great! The ride quality is horrible though
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Old 02-25-2012, 08:44 PM   #10
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Re: 20" wheels on lowered 2007

Want a quality ride?.....buy a cadillac.
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Old 02-25-2012, 08:53 PM   #11
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Quote:
Originally Posted by DDTCM
Want a quality ride?.....buy a cadillac.
^this
Ride quality will suffer slightly when you lower it as well.
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Old 02-25-2012, 09:13 PM   #12
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I got 20's on my ride, rides beautiful. It's not drop but I don't think you should have any issues... I want to drop mine but just remember the driveways and parking. Too low could damage ur bumper if not careful
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Old 02-25-2012, 10:21 PM   #13
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Re: 20" wheels on lowered 2007

The springs are what is going to make it ride rough. Depending on what your definition of rough is...its not that bad. It you want the best quality ride then do a full suspension kit.
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Old 02-26-2012, 10:03 AM   #14
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A lower profile tire coupled with new springs will ride rougher. More rubber between the wheel and the pavement make a better ride.

I went from 235/50 r 18. To 255/45 r 18 and I could feel the difference right away. Even though it's just a quarter inch change in side wall height.

If you want 20 inch wheels go with a mild 1 inch drop and progressive spring rate to keep the ride more comfortable.
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Old 02-26-2012, 11:02 AM   #15
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Re: 20" wheels on lowered 2007

My car being lowered and running 20" rims my ride is fine as I have adjustable shocks.
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Old 02-26-2012, 12:03 PM   #16
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Quote:
Originally Posted by Labrat
My car being lowered and running 20" rims my ride is fine as I have adjustable shocks.
That will work too
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Old 02-26-2012, 08:40 PM   #17
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Quote:
Originally Posted by GTRob504
A lower profile tire coupled with new springs will ride rougher. More rubber between the wheel and the pavement make a better ride.

I went from 235/50 r 18. To 255/45 r 18 and I could feel the difference right away. Even though it's just a quarter inch change in side wall height.

If you want 20 inch wheels go with a mild 1 inch drop and progressive spring rate to keep the ride more comfortable.
I'm gonna do the same to 255/45/18. Do you like them? They handle a little better?
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Old 02-27-2012, 08:15 PM   #18
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Quote:
Originally Posted by Aggiesrok

I'm gonna do the same to 255/45/18. Do you like them? They handle a little better?
Yes the handling is better but the ride quality at low speed over an less than smooth road is worse.
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Old 02-27-2012, 10:02 PM   #19
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More I review more I want the 20s
Looking at this staggered set from AM - 255/35/20 & 285/30/20 with Shelby Razor Chrome wheels
http://www.americanmuscle.com/chrome...itto-stag.html
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Old 02-28-2012, 01:06 AM   #20
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My car is lowered on steeda ultralights and has 20's with no rubbing at all. If you want a smooth ride add shocks and struts when you lower. I have tokicos and it rides great. It's a 2010 though I don't know If that makes a difference on rubbing.
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Old 02-28-2012, 06:55 AM   #21
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Quote:
Originally Posted by Labrat
Look at my ride....I'm running the staggered rims w/nitto rubber...no problems at all!
Nice ride, I checked it out
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Old 02-28-2012, 06:54 PM   #22
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Re: 20" wheels on lowered 2007

My son has 20" Foose rims on his Stage 2 Roush with no fitment issues at all-

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Old 02-28-2012, 08:20 PM   #23
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Ya u need 20s on a S197, 18s are the new 16s of today
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Old 02-28-2012, 10:53 PM   #24
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Quote:
Originally Posted by BaSohol
Ya u need 20s on a S197, 18s are the new 16s of today
I got 18s on mine i like the look of 20s but slow u down quite a bit in my opinion.

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Old 02-29-2012, 11:03 PM   #25
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Re: 20" wheels on lowered 2007

@ Rapinator126 - how do the 20's slow you down? the extra weight you mean?

I realize there will be some loss to ride comfort - I just don't want my teeth to knock together as I drive
I think I will do the suspension first then do the tires/wheels...I am really leaning towards the 20's though.
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Old 02-29-2012, 11:05 PM   #26
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Yes just the extra weight they will slow u down a lil bit. But i love how they look on our body style they look good real good
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Old 03-01-2012, 03:58 AM   #27
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Re: 20" wheels on lowered 2007

If the rims and tires were the only mod you did, maybe they would slow you down weight wise, but at the same time they are suppose to give you better mpg. But on the other hand if you are doing other mods I really don't think that you rim and tire size are really going to slow you down that much. Yes, in drag racing you want the lightest tire up front but in road racing you are looking at handling issues. For DD I don't think the slow down thing is really an issue at all....you're going for the looks.....
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Old 03-01-2012, 11:23 AM   #28
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They will slow u down a little bit man. There are 20s on my 03 cobra that i sold my uncle putting down 585 to the ground and once
They were on u can notice a slight decrease in acceleration.
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Old 03-01-2012, 12:03 PM   #29
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Re: 20" wheels on lowered 2007

In drag racing, yes, the diameter will make a difference.
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Old 03-01-2012, 07:19 PM   #30
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Re: 20" wheels on lowered 2007

Here is a link that will tell you about racing wheels...don't know if it will help anybody but it's pretty interesting info.

The 411 On Drag Racing Wheel Technology - Dragzine
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