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Correct 20 inch wheel choice (sizes)

1024GT

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I have the 20 inch foundry wheels and I think I want to stagger.

Would this be right?

275 35 20 and 305 30 20 ...I want to keep the same diameter as much as feasible. I think the 285 ratio will be a bit more off.

Would this set up be fine on 20X10 wheels square?

Thanks!
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Road Dog

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You will probably be just fine, the 275 list as 27.6" tall and the 305 list as 27.2" tall. Speedo will be off by a +tenth of a MPH. You might want to use a 20 X 11 wheel for the rears though.
 

DRKHORS

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I have the 20 inch foundry wheels and I think I want to stagger.

Would this be right?

275 35 20 and 305 30 20 ...I want to keep the same diameter as much as feasible. I think the 285 ratio will be a bit more off.

Would this set up be fine on 20X10 wheels square?

Thanks!
Personally I wouldn't do a 275/35 and 305/30 set up. You're going to be able to see the difference in sidewall height between the two and will look out of place have a fatter sidewall up front than out rear.

Check your speedo against GPS to see where it's at from factory. Reason I say this is I am running 315/35's and my speedo is only off 2mph, which means it must have been set slightly fast from factory.
 

c_reber

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Are you putting these tires on the factory wheels? Or you are buying new 20x10" wheels?
 

Need4SpeedMotors

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Are you going with a lighter stronger aftermarket wheel or you sticking with factory foundry wheels and widening them?
 
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1024GT

1024GT

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I think I have settled on the Niche Essen wheel. I'm pretty sure I'll stagger them but I'm still debating 9 or 10 in front. Something I didn't consider is running 10.5/11 in the rear. I don't want the sidewalks to be off and I don't want that meaty looking rear tire. Just wanna make sure I know what I'll be getting in the mail from you pretty much when I go for it lol
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