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Old 04-26-11, 10:00 AM   #1
FUZION
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Default What tire size? 19x8.5 19x10

I putting some wheels on my SC and its lowered on MKIV eibach springs w/ koni yellow shocks. The wheels are frt:19x8.5" rear: 19x10". What tires sizes should i go with, i will be getting the fenderes rolled and maybe pulled. the offset of the wheels are unknown..i was told maybe 27mm on the front and maybe 19mm on the rear....I want to run the least amount of negative camber as possible. I was thinking 245/35/19 and 285/30/19. Here are some quick pics...

Wheels:
19x8.5 +25mm
19x10+30mm /+35mm
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What tire size? 19x8.5 19x10-dscn2484.jpg   What tire size? 19x8.5 19x10-dscn2483.jpg  

Last edited by FUZION; 05-17-11 at 10:10 AM.
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Old 04-26-11, 10:14 AM   #2
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245's up front should be good but the rear 285 with +19 might be a bit much. 265/30/19 BFG KDW's should be fine. You will need to run a little stretch with that offset out back.
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Old 04-26-11, 10:21 AM   #3
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Quote:
Originally Posted by cherplex View Post
245's up front should be good but the rear 285 with +19 might be a bit much. 265/30/19 BFG KDW's should be fine. You will need to run a little stretch with that offset out back.

i really dont want to try the stretched tire thing. So 275 would be right in between???. How can i figure out the offset?
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Old 04-26-11, 10:28 AM   #4
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225/35, 265/30
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Old 04-26-11, 10:51 AM   #5
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I would measure the offsets before you do anything. I would avoid going lower than a 275 if you can fit it.
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Old 04-26-11, 10:58 AM   #6
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235/35/F & 275/30/R great set up...have this on my set up.
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Old 04-26-11, 11:05 AM   #7
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^^^What are your offsets?
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Old 04-26-11, 11:39 AM   #8
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hmmm....thats a good question...i get confused from my two sets but i believe that these are +30 or +35 if im not mistaken. I have spacers in front and rear...15mmm and I rub a little in rear on big dips or bumps. no fender modification was done yet
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Old 04-26-11, 11:41 AM   #9
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Quote:
Originally Posted by FUZION View Post
How can i figure out the offset?
You need to first get your backspace measurement (mounting flange to outer most part of inner wheel lip). Place your wheel face down first on a soft surface. Lay a straight edge across the diameter of the wheel. Measure from mounting flange to straight edge = backspace.

Then find the center line of your wheel (wheel width divided in half). The difference between your backspace and center line measurements will be your offset.

In general, you add 1 inch to the overall width of a wheel to account for outer lips. Wheel widths are measured by inner lip to inner lip; therefore the difference in width specs.

Your 10" wheel will be roughly 11".

Example:

Backspace - 6.5 inch
Centerline - 5.5 inch
Difference - 1 inch = 25.4mm
The difference will be your offset ~ 25/26mm.

If your backspace is greater than your center line = positive offset.
Backspace less than your center line = negative offset.
Backspace equals your center line = 0 offset.
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Old 04-26-11, 12:17 PM   #10
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With that kind of offset fitting 285's on the rear (which imo is ideal for a 10" wheel) would be hard. You would definitely without a doubt need a roll at the very least.
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Old 04-29-11, 10:31 AM   #11
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i wont need to get my fenders flared will i?
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Old 04-29-11, 10:34 AM   #12
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215/35/19's all around
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Old 04-29-11, 12:06 PM   #13
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i doubt those offsets are what you were told, the lips are too small lol,

they look more like in the 30 range, as for your question, are u looking for most traction or looks?
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Old 04-29-11, 12:26 PM   #14
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Quote:
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215/35/19's all around




Those wheels in a 30 range offset should fit 285s perfectly, 295 possibly
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Old 04-29-11, 04:41 PM   #15
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245/35 & 265/30 I have that on my SC with 18x8.5 and 18x10 and there not stretched to much.

Last edited by MKIVS374; 05-02-11 at 07:59 AM.
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