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Top 2GNT Technical Handling/Suspension topic #33323
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Subject: "18 inch wheels with lowering springs" Previous topic | Next topic
xrac3rxJun-22-11 09:26 AM
Member since Oct 31st 2010
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#33323, "18 inch wheels with lowering springs"


          

I,m sure this has been covered before, but i cant seem to find a definite answer. I just threw on a set of Kosei 18" rims with 225/40 tires. The fender gap is still just to much, so I am thinking about a suspension drop. How much lower can i go? The back tire is already so close that I can't even get my pinky finger between the tire and the upper part of the spindle that connects to the upper control arm. Maybe i can't go lower without wheel spacers. I just don't like the idea of the rims sticking out any farther.

  

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Replies to this topic
RE: 18 inch wheels with lowering springs, Wes Tank, Jun-22-11 09:30 AM, #1
RE: 18 inch wheels with lowering springs, AdministratorCODE4, Jun-22-11 09:53 AM, #2
      RE: 18 inch wheels with lowering springs, xrac3rx, Jun-22-11 11:09 AM, #3
           RE: 18 inch wheels with lowering springs, Moderatorxcasbonx, Jun-22-11 12:27 PM, #4
RE: 18 inch wheels with lowering springs, 2EclipseGSs, Jun-22-11 12:48 PM, #5
RE: 18 inch wheels with lowering springs, xrac3rx, Jun-22-11 02:08 PM, #6
      RE: 18 inch wheels with lowering springs, AdministratorCODE4, Jun-22-11 02:15 PM, #7
           RE: 18 inch wheels with lowering springs, 2ndGen-ElTalon, Jun-25-11 03:47 PM, #8
                RE: 18 inch wheels with lowering springs, xrac3rx, Jun-26-11 09:53 AM, #9
                     RE: 18 inch wheels with lowering springs, ez, Jun-26-11 08:39 PM, #10
                          RE: 18 inch wheels with lowering springs, xiDsmmanix, Jul-23-11 09:08 PM, #11
RE: 18 inch wheels with lowering springs, esiMonster, Sep-21-11 01:56 PM, #12
RE: 18 inch wheels with lowering springs, JoshDSM, Sep-21-11 06:41 PM, #13

Wes TankJun-22-11 09:30 AM
Member since Oct 13th 2006
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#33324, "RE: 18 inch wheels with lowering springs"
In response to Reply # 0




          

That area with the back wheel doesn't matter as long as it is already clearing. It's part of the suspension and moves up and down with the wheel.

_____________________________________________
95TalonOwner on DSMTuners.com
Wes Tank on WiDSM.org

  

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AdministratorCODE4Jun-22-11 09:53 AM
Member since Nov 23rd 2003
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#33325, "RE: 18 inch wheels with lowering springs"
In response to Reply # 1




          

Lowering springs do not affect the tire to knuckle clearance.

---

2012 2500HD LML


  

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xrac3rxJun-22-11 11:09 AM
Member since Oct 31st 2010
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#33326, "RE: 18 inch wheels with lowering springs"
In response to Reply # 2


          

okay thanks. Well what about clearance on the front? (turning radius). How low do you think? 1.5"...2". I know it depends on offset and all that stuff.

  

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ModeratorxcasbonxJun-22-11 12:27 PM
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#33327, "RE: 18 inch wheels with lowering springs"
In response to Reply # 3




          

Buy a set of Eibach Pro-Kits and put em on. Something with roughly a 1.5" drop. You'll be fine. Any lower and you're pushing it.


I contributed to the Wiki.

  

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2EclipseGSsJun-22-11 12:48 PM
Member since Jan 09th 2011
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#33328, "RE: 18 inch wheels with lowering springs"
In response to Reply # 0


          

I have my car on a set of Goldline springs lowers it 2". It looks perfect, the only thing is all the extra stress you put on the lower ball joints & half shafts in front(have replaced these 2 times since 2008). Make damn sure you get camber kits for both front & rear, if not this low will eat tires up in one season. After doing this, I don't recommend this to anyone for an everyday driver(like I'm currently doing).

As Aaron mentioned earlier get the Eibach pro kit it lowers it 1.2". That is what I got for my next build.

  

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xrac3rxJun-22-11 02:08 PM
Member since Oct 31st 2010
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#33329, "RE: 18 inch wheels with lowering springs"
In response to Reply # 5


          

Right, 1.5 inch is what i was thinking. So you think at even 1.5 I will need the camber kit front and rear? I'll probably get them anyway...Those low-pro's where not cheap.

  

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AdministratorCODE4Jun-22-11 02:15 PM
Member since Nov 23rd 2003
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#33330, "RE: 18 inch wheels with lowering springs"
In response to Reply # 6




          

Anytime you alter the suspension geometry, you need to change the camber and toe. Does not matter if it is a 0.5" drop or 3" drop.

---

2012 2500HD LML


  

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2ndGen-ElTalonJun-25-11 03:47 PM
Member since May 26th 2010
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#33334, "RE: 18 inch wheels with lowering springs"
In response to Reply # 7


          

Originally posted by CODE4
Anytime you alter the suspension geometry, you need to change the camber and toe. Does not matter if it is a 0.5" drop or 3" drop.



The Truth, otherwise, if you end up with too low of a drop than expected, you're just dragging your rear tires. They eat up quick, mostly freeway/highway imo.

It doesn't take much of a lowering to throw the toe/camber out of whack. After you choose your route, just get an alignment to be safe. Oh yeah, low pro's don't sit well on a 2G if your lower than 1.75-2". Just a thought.

Originally posted by 740TurboBrick

"Dsms run on Gasoline, DSMers run on Alcohol...Id bring a tank to refuel the DSMers..."

  

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xrac3rxJun-26-11 09:53 AM
Member since Oct 31st 2010
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#33335, "RE: 18 inch wheels with lowering springs"
In response to Reply # 8


          

Yea well I got the Eibach springs and they are 1.6" front and rear I believe. I knew I would have to get it aligned, it needs it anyway. I was just waiting to get the springs.

Just wasn't sure if I would have to get the camber kit for the front and back, or if i should get the regular camber kit or if I could just get adjustable ball joints. I think the ball joints would be cheaper.

  

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ezJun-26-11 08:39 PM
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#33336, "RE: 18 inch wheels with lowering springs"
In response to Reply # 9


          

This is all stuff that was covered by the forum about 10 years back. But since the news is so ancient now, the bottom line is: with prokits, you don't need a front camber kit. Just do the cheap 15-20 dollar mod for the rear.

2gnt: '99 RS-T, killed by a toyota, pending rebuild...
Daily: Volt
Daily #2: '99 EVG ebike- STOLEN by PEDRO

  

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xiDsmmanixJul-23-11 09:08 PM
Member since May 10th 2010
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#33361, "RE: 18 inch wheels with lowering springs"
In response to Reply # 10


          

I have a 2 inch drop with 18's. You'll need to roll your fenders so it doesn't rub though.

  

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esiMonsterSep-21-11 01:56 PM
Member since May 18th 2011
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#33413, "RE: 18 inch wheels with lowering springs"
In response to Reply # 0


          

I dropped mine 2" and its fine with my Motegi mr7 18's on it vut i used a 225/35 instead of a 225/40 on the front

GOD CREATED BOOST LAG TO GIVE V8'S A CHANCE

  

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JoshDSMSep-21-11 06:41 PM
Member since Aug 29th 2010
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#33414, "RE: 18 inch wheels with lowering springs"
In response to Reply # 12


          

I dropped mine with sportlines and ran a 18inch rims with 225/40 with i believe a 38 or 45 offset. The backs cleared perfect and the fronts rubbed a little. They rubbed on my inner fender linings alot(may be just because there loose) IMO go with 17s they will be lighter and suit the car better.

  

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