Offset Question....
#1
Joined: Oct 2009
Posts: 5,163
Likes: 113
From: St. Louis, MO
Offset Question....
how much less aggressive is a 19x9.5 +30 compared to 19x8.5 +15? Both are on 255/35s. Right now, I am thinking approx 2mm less. Correct? Also, what offset would on a 19x10.5 w/ 255/35s would be equivalent to the 8.5 +15.
Thanks!
Thanks!
Last edited by Matzo Ball; 08-24-2010 at 05:46 PM.
#5
If it helps any I have 9.5" in the rear with +40 and it's flush and in the front I have 8" with same 40mm offset but a 15mm spacer and it sits almost flush...so esentially +25 on 8 in the front.
Figure 1/2" = 12.7mm if your are calculating offset and rim width.
#7
Because when I put my 10mm spacer on my car it make it a +22 but wouldnt it be the same if I was to just get a 19x10 +22 without a spacer?
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#9
Joined: Oct 2009
Posts: 5,163
Likes: 113
From: St. Louis, MO
#10
^Yes that is correct.
This is the offset calculator tool that I use, it may be of help to you: http://marksink.com/tire_wheel_offset/offset.html
This is the offset calculator tool that I use, it may be of help to you: http://marksink.com/tire_wheel_offset/offset.html
#12
Take a look at the standard disk, 19x9.5. For a 135mm lip, you would have a +16 offset. To have the same amount of lip and go to a 10.0 it's 6mm more, thus a 19x10 +22 and for a 19x10.5, the offset is +28.
If you recall, I had a 9.5+3 with a 15mm spacer, making it a 9.5 -12. Now I will have a 10.5 +0 which is about the same and it sits about the same as well (minus the tire sticking out more since it's wider).
You can refer to the offset calculator Marcus posted to confirm that. According to the offset calculator, my 10.5 +0 up front sticks out 1mm which I would say is about right since it doesnt stick out like crazy.
Last edited by The Stimulation; 08-25-2010 at 04:24 PM.
#14
There's a certain way to explain it, I'm just not explaining it as I should, but it's kinda like....ummm....basically when you go with a wider wheel, say a 10.5" over a 9.5" it's not one side that gets extended a whole inch (25 mm), it's the entire wheel, so 1/2" on each side, thus 12.5mm. Now when you add a spacer, you're only adding it on one side of the wheel, so to push it out a full inch, a 12.5mm spacer would be needed. That's why I mentioned 6mm, it's easier to go by equal units (6 and 12) rather than 6.25 and 12.5, that just makes it more confusing.
I hope what I said makes sense.
I hope what I said makes sense.