wonder bout some wheels/tire options and other mods.
Senior Member
Joined: 01-27-2006
Posts: 320
From: Dublin, California
I'm going with 245/30/20 tire on a 20"x8.5" wheel with +35 off set. It will rub the rear fender. I was told that the rear fender would need to be trimmed down to 1/4 " on the inside of the fender. My car is lowered with the Eibach Sportline springs for the Cobalt. It looks awesome!
For looks and practicality, go with 18"x8" with an offset from +39 to +41. The closer you can get to the offset of +41 the better because it will take the tire away from the fender. If you got greater then +41, your tire will hit the inside of the strut or inside fender well. If you go less than +39, your tire may rub against the rear fender. 235/40/18 tire should look best.
For looks and practicality, go with 18"x8" with an offset from +39 to +41. The closer you can get to the offset of +41 the better because it will take the tire away from the fender. If you got greater then +41, your tire will hit the inside of the strut or inside fender well. If you go less than +39, your tire may rub against the rear fender. 235/40/18 tire should look best.
I have 18X8.5 with +34mm offset. I am running 235/40/18 tires. (BIG NOTE: STOCK SPRINGS). No fitment problems, no rubbing, no fender rolling.
I can live with the tire gap.......is actually not so bad...I prefer the wheel lip than the gap.
Senior Member
Joined: 05-22-2007
Posts: 318
From: Huntington Beach, CA
The offset on the stock wheel is +42. When you're messing with wheel and tire width, you may need to get a different offset so the wheel/tire will clear the suspension and inner wheel well when the steering wheel is turn all the way to the left or right.
Thread Starter
Senior Member
Joined: 05-27-2007
Posts: 285
From: colorado
well i plan on keeping my stock springs. i figure no need to lower it the front ready scrapes enough as it is, then loading it up with 3 other people..? so with it being at that height i guess there wouldn't be any issues to roll fenders with that offset(+35)?
Senior Member
Joined: 05-22-2007
Posts: 318
From: Huntington Beach, CA
You probably won't have any issues with the +35 offset, unless you go through a dip really hard, or leave a driveway really fast.
As far as scraping the front, try entering/leaving a drive way at only a 10 to 15 degrees angle. This will help shift the weight and prevent the front end from diving into the road/driveway. Works for speed bumps too. I've been driving lowered cars for over 13 years and this works for me. When you pull up to a parking space, try not to hang the front bumper over the cement blocks or curb.
As far as scraping the front, try entering/leaving a drive way at only a 10 to 15 degrees angle. This will help shift the weight and prevent the front end from diving into the road/driveway. Works for speed bumps too. I've been driving lowered cars for over 13 years and this works for me. When you pull up to a parking space, try not to hang the front bumper over the cement blocks or curb.
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