Offset question (Help please)
11-14-2010, 04:19 PM
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Offset question (Help please)
I am going to be ordering new wheels soon and I want to make sure I get it right.
I want to keep the same look as I have now as far as flushness. The wheels I have now are Front:8.5X18 with offsets of +38 (I think its +38) with a 255X40X18 tire, Rear:9.5X18 with offsets of +38 (I think +38) with a 275X40X18 tire. I also have 20mm spacers front and rear.
The new wheels I am getting are Front:9.5X19 with an offset of +25 with 255X35X19 tires, the rear is: 10.5X19 with offsets of +20 with 285X35X19 tires.
Looking at the pics I posted, do you think I will need any spacers with my new set up to get to where I am now with my old set up. Thanks for your help.
I want to keep the same look as I have now as far as flushness. The wheels I have now are Front:8.5X18 with offsets of +38 (I think its +38) with a 255X40X18 tire, Rear:9.5X18 with offsets of +38 (I think +38) with a 275X40X18 tire. I also have 20mm spacers front and rear.
The new wheels I am getting are Front:9.5X19 with an offset of +25 with 255X35X19 tires, the rear is: 10.5X19 with offsets of +20 with 285X35X19 tires.
Looking at the pics I posted, do you think I will need any spacers with my new set up to get to where I am now with my old set up. Thanks for your help.
Last edited by RandyK1; 11-14-2010 at 04:21 PM.
11-14-2010, 04:48 PM
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Information in this thread is relevant to what you are asking. It should help you figure out wheel width and offsets.
https://my350z.com/forum/wheels-and-...ok-help-2.html
11-14-2010, 06:18 PM
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The 20mm spacers will be removed when I put the new wheels on the Z. I just dont know if I am going to need a 5mm spacer or if I will be where will be good with out any spacers I hope it will look like I want it too with out any spacers.
11-14-2010, 06:37 PM
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18x8.5 +18 18x9.5 + 18 (with spacers)
19x9.5 +25 19x10.5 +20
Because you have an extra inch front and rear thats going to make your wheels sit out another 13mm ( rounded up) from your old set up.. so think of it as adding a 13mm spacer to what you had before with your old spacers included.
If it helps you picture things better, your new set up would look as if you were 18x8.5 +10 and 18x9.5 +5 in your "old wheels". So as mentioned, theyre going to be more agressive looking and more flush with your fender.
I hope my maths right on that.. its late and I'm at work
19x9.5 +25 19x10.5 +20
Because you have an extra inch front and rear thats going to make your wheels sit out another 13mm ( rounded up) from your old set up.. so think of it as adding a 13mm spacer to what you had before with your old spacers included.
If it helps you picture things better, your new set up would look as if you were 18x8.5 +10 and 18x9.5 +5 in your "old wheels". So as mentioned, theyre going to be more agressive looking and more flush with your fender.
I hope my maths right on that.. its late and I'm at work
Last edited by deftoneZ; 11-15-2010 at 04:13 AM.
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