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Wheel Offset Discussion Thread... How far can we go?

Someone please help me decide. I'm ordering Forgestar 18x9.5 front and 18x10 rears. Tires will be 255 40 18 F, and 285 35 18 R. -2.25 camber front and -1.75

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Old 02-18-2015, 12:14 AM   #1 (permalink)
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Someone please help me decide. I'm ordering Forgestar 18x9.5 front and 18x10 rears. Tires will be 255 40 18 F, and 285 35 18 R. -2.25 camber front and -1.75 rear.

What offset do I need for a flush or close to flush fit??

I've read wildly different numbers. Some guys are saying a +30 for the front will be flush and others are flush at +20. By my rough calculations, it should be closer to +20. For the rears, I figure about a +16??

The only problem with the fronts is that the semi-concave only goes to +26. The don't have anything lower than that. So should I go deep concave in the front and super deep for the rear? Or just stick with +26 in the semi-concave and it should be ok for the front and deep for the rear at +16? Or if I go with 18x9 in the fronts, what offset do I need? Something around a +28?

Help me decide!
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Old 03-11-2015, 09:04 PM   #2 (permalink)
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Originally Posted by boosted180 View Post
Someone please help me decide. I'm ordering Forgestar 18x9.5 front and 18x10 rears. Tires will be 255 40 18 F, and 285 35 18 R. -2.25 camber front and -1.75 rear.

What offset do I need for a flush or close to flush fit??

I've read wildly different numbers. Some guys are saying a +30 for the front will be flush and others are flush at +20. By my rough calculations, it should be closer to +20. For the rears, I figure about a +16??

The only problem with the fronts is that the semi-concave only goes to +26. The don't have anything lower than that. So should I go deep concave in the front and super deep for the rear? Or just stick with +26 in the semi-concave and it should be ok for the front and deep for the rear at +16? Or if I go with 18x9 in the fronts, what offset do I need? Something around a +28?

Help me decide!
For reference, most guys with Volk GTS wheels are running 19x9.5 +17 and 19x10.5 +18. TE37 owners with the same wheel widths and diameters as mentioned, however, run +22 front and +12 rear. For your Forgestar 18x9.5 front and 18x10 rears, I would get between +22 and +15 front, and maybe something as low as +6 in the rear since you intend on running 18x10 wheels.
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Old 07-12-2015, 10:02 PM   #3 (permalink)
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Hi everyone,

Quick fitment question. I have just received my set of Work Meisters for my 350Z. Clearance is fine with my brembo's, 19x9.5 +24 (R Disk) and 19x10.5 +23 (O Disk). Have heard different stories about the clearance on the 370Z and akebono... brakes are bigger on 370Z?

Any rough fitment advice on whether these could fit the 370Z would be appreciated - will upgrade from the 350Z to 370Z in a few years.

Cheers,
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