Wheel question

countrycorey

Trust Me I'm an Engineer
Jan 30, 2010
1,512
35
48
LA
Ok gents, I found a set of Weld Stone Crushers and I'm wondering if you can help me with the unknown specs. I'm fairly sure the wheels are 18x10, but I do not know the back spacing or offset. Also, how much would they stick out of the fenders?

Any of you gents who are wiser than I help me out?

5a9ubu6u.jpg


edenysup.jpg



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Hot COCOAL

May the farce be with you
Jun 9, 2012
4,433
0
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Ok gents, I found a set of Weld Stone Crushers and I'm wondering if you can help me with the unknown specs. I'm fairly sure the wheels are 18x10, but I do not know the back spacing or offset. Also, how much would they stick out of the fenders?

Any of you gents who are wiser than I help me out?

5a9ubu6u.jpg


edenysup.jpg



Sent from my iPhone using Tapatalk

Knowing the tire size would help:)
 

Hot COCOAL

May the farce be with you
Jun 9, 2012
4,433
0
0
What's the prize for closest guess:D

That tire sure covers the rim well, I'd almost guess they're 9.5 wide...

But I'm gonna take a shot and say they are an 18x10 with a 4.5" - 5.25" back spacing and somewhere between a 12-24mm offset :thumb:
 

t2timmy

2015 LML Denali
Jun 28, 2013
92
1
8
CT
I just bought new Xd 20x9 for my LMM and they stick out but not as far as those and their -12 offset.


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jnieberlein

Secret Squirrel Diesel
Aug 17, 2009
689
0
16
West By God
Weld Stone Crusher
Fully polished, very reflective surface

$389.00
Available Sizes:
18x10 5-135 -22P
18x10 6-139.7 -22P
18x10 8-165.1 -22P
18x10 8-170 -22P
 

countrycorey

Trust Me I'm an Engineer
Jan 30, 2010
1,512
35
48
LA
Weld Stone Crusher
Fully polished, very reflective surface

$389.00
Available Sizes:
18x10 5-135 -22P
18x10 6-139.7 -22P
18x10 8-165.1 -22P
18x10 8-170 -22P

So what does the -22 do for offset? I know the pics are on a lifted truck, but how far do you think they would stick out of the fenders on a stock/leveled suspension? What size are the ones in your avatar and do you have any pictures of how far they stick out and what tire size would you recommend?
 

Hot COCOAL

May the farce be with you
Jun 9, 2012
4,433
0
0
There are two active factors to how the wheel will sit off the hub, back spacing and wheel width which between the two dictates the actual off set mathematically

Back spacing is the amount of space from the back of the rim to the mounting point

Offset Is how far in or out the mounting point is from the actual centerline of the wheel and is measured in millimeters (mm) a minus offset will push the wheel out, a positive offset will pull the wheel in a bit

A typical back spacing for our trucks will be somewhere between 4.5" and 5 3/4" on up to a 10" wide wheel, over 10" I'm not so sure...but I'd guess that for every inch over 10" wide you'd go, you would need to compensate a minimum of a 1/2" in back spacing, so a 12" wide wheel would need to have something between a 5.5" and 6 3/4" back spacing to fit one of our trucks, and on a 12" wide wheel that would be something like a -25mm to a -55 off set, depending on back spacing of course, and I'm pretty sure the truck would need to be lifted to fit a wheel that wide

The offset is set by the width of the wheel and the back spacing of the wheel, it's all relative, if the back space moves so does the off set, so long as the wheel width stays the same.

If the link works, here is a pretty simple video explaining it

http://m.youtube.com/watch?v=2K1lUlv9ZOA&app=m
 
Last edited:

jnieberlein

Secret Squirrel Diesel
Aug 17, 2009
689
0
16
West By God
So what does the -22 do for offset? I know the pics are on a lifted truck, but how far do you think they would stick out of the fenders on a stock/leveled suspension? What size are the ones in your avatar and do you have any pictures of how far they stick out and what tire size would you recommend?

the ones in my avatar are 17s, I am not sure the width i think they are 8.5, i have never measured them and I believe they are either 0 offset or -12. they stick out about 1.5 inches on either side on the front with a 275 width tire, although you have to remember the front end on our trucks are approximately 3 inches wider than the rear or 1.5 either side


here is a pic of a 20x10 -26 bs with a 275/60 20 tire on it, the tire was just barely wider than the wheel at 10.8" also was running 2" wheel spacers on the rear thats why they are sticking out
picture.php


a cool place to "see" what stuff will look like is http://www.rimsntires.com/specspro.jsp
 

countrycorey

Trust Me I'm an Engineer
Jan 30, 2010
1,512
35
48
LA
Thanks for that link, that helps a lot. After looking at different tire sizes to go with that, it looks like 275 will stick out 1.2" farther. How much dirt do the 275s throw up on your truck?
 

Low366Dmax

Pin it to win it
Aug 23, 2013
185
0
16
NH
the ones in my avatar are 17s, I am not sure the width i think they are 8.5, i have never measured them and I believe they are either 0 offset or -12. they stick out about 1.5 inches on either side on the front with a 275 width tire, although you have to remember the front end on our trucks are approximately 3 inches wider than the rear or 1.5 either side





here is a pic of a 20x10 -26 bs with a 275/60 20 tire on it, the tire was just barely wider than the wheel at 10.8" also was running 2" wheel spacers on the rear thats why they are sticking out
picture.php




a cool place to "see" what stuff will look like is http://www.rimsntires.com/specspro.jsp


She's hornyyyyyyy lookin :thumb:


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