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Making sense of this all

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Old Apr 15, 2008 | 10:07 PM
  #1  
The Lowest Law's Avatar
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Joined: 04-14-2008
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From: Lower Burrell, PA
Making sense of this all

I'm sooo confused when I read all these different things.

i.e.:
225-35-20
offset
to roll/trim fenders
etc

I'm just so lost and I'm just trying to understand and learn.

Can someone PLEASE help me out?!
Old Apr 15, 2008 | 10:14 PM
  #2  
jx3's Avatar
jx3
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Joined: 10-19-2005
Posts: 20,687
From: Miami
Here's a start.......

https://www.chevyhhr.net/forums/appearance-modifications-discussions-6/wheel-fit-guide-4804/
Old Apr 15, 2008 | 10:32 PM
  #3  
KNEZRYD's Avatar
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Joined: 09-19-2005
Posts: 169
From: SoCal
Here is how it breaks down. 1st #, 235 is the width in millimeters. 2nd #, 35 is the percentage of side wall. Let me explain: 35% of the width of the tire which was the 1st #, will be the height of the sidewall. And last is the wheel size 20". Hope this helps
Old Apr 15, 2008 | 10:33 PM
  #4  
The Lowest Law's Avatar
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Joined: 04-14-2008
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From: Lower Burrell, PA
that makes a LOT more sense now! thank you!

now what is this i hear about offsetting?
Old Apr 15, 2008 | 10:40 PM
  #5  
chevyguy's Avatar
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Joined: 02-28-2008
Posts: 216
From: South Carolina
Offset/Backspace is the amount of the wheel that is behind the wheel hub. Check out this link https://www.rsracing.com/tech-wheel.html#backspace

Last edited by chevyguy; Apr 15, 2008 at 10:41 PM. Reason: typo
Old Apr 15, 2008 | 10:45 PM
  #6  
jeffs396's Avatar
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Joined: 07-12-2006
Posts: 1,703
From: NE Ohio
You can also check out http://www.tirerack.com/about/techcenter.jsp will tell you everything you need to know about tires & wheels!
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