Need help with rims
#1
Need help with rims
Alright so I plan on doing a level on my 07 FX4 and stuffing some 35/12.5/17 Toyos under there. These tires are about 80% tread so they aren't a full 35" tall.
Now my question. Currently there are only 2 rims that I would like to use.
First is the 2012 machined black Raptor rims.
second are Ultra Mavericks.
http://www.ultrawheel.com/ultra-whee...id=49&cat=1140
I don't fully understand B.S. and Offset. So i'm asking for your help.
Which one of theses would stick out further.
From what I know the Raptor rims have 6" backspacing and the Ultras have 5.5" of B.S. and +25 offset. So would the Raptors stick out a tad farther.
Now my question. Currently there are only 2 rims that I would like to use.
First is the 2012 machined black Raptor rims.
second are Ultra Mavericks.
http://www.ultrawheel.com/ultra-whee...id=49&cat=1140
I don't fully understand B.S. and Offset. So i'm asking for your help.
Which one of theses would stick out further.
From what I know the Raptor rims have 6" backspacing and the Ultras have 5.5" of B.S. and +25 offset. So would the Raptors stick out a tad farther.
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Offset is a way to help determine backspacing. Backspacing is the measure of the distance from the back of the mounting surface of the wheel to the back edge of the wheel. Higher the number the more "tucked-in" that wheel is, the lower the number, the more "stick-out" the wheel gives. Offset is the measure of the distance (in millimeters instead of inches) from the center of the wheel width to the back of the mounting surface. So a zero would be if the mounting surface was right in the center of the wheel width. If its a negative number that means the mounting surface is moving toward the rear of the wheel, resulting in a smaller backspacing measurement (more stick-out). If its a positive number, that means the mounting surface is moving toward the front of the wheel, resulting in a larger backspacing measurement (more tuck-in).
Now as Wandell eluded to, you can't just compare those measurements across 2 wheels. You also have to take into account the wheel width as well. Thats why he said the 8.5" wheel with a 6" backspacing would sit the same as the 8" wheel with 5.5" backspacing. On the 8.5" wheel you have 2.5" of wheel in front of the mounting surface (8.5" width minus 6" backspacing). On the 8" wheel you also have 2.5" of wheel in front of the mounting surface (8" width minus 5.5" backspacing).
Hope that clears things up a bit.
Now as Wandell eluded to, you can't just compare those measurements across 2 wheels. You also have to take into account the wheel width as well. Thats why he said the 8.5" wheel with a 6" backspacing would sit the same as the 8" wheel with 5.5" backspacing. On the 8.5" wheel you have 2.5" of wheel in front of the mounting surface (8.5" width minus 6" backspacing). On the 8" wheel you also have 2.5" of wheel in front of the mounting surface (8" width minus 5.5" backspacing).
Hope that clears things up a bit.
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#11
Assuming those measurements are correct on the stock wheel, then yes, either of the new wheels will stick out 0.5" further than stock. You'll also notice with the wider wheels (more-so with the 8.5") that your tires will look a little "beefier" in a good way.
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