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Discussion Starter #1
Very generalized question, but here it is,
I have 94 mk4 n/a rims, and the stock measurements are as follows

Front: 225/50/16
Rear: 245/50/16

I'm just trying to figure out if it would be ok to run 235/50/16 for the front; and 255/50/16 for the rears. Reason as to why I am asking is due to my shop not being able to get the stock measurement ones for a while, looong backorder.

What are some advantages and disadvantages. Is the tire going to bulge off to the sides a lot?

Thanks
 

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Bully
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Well the tire will be fatter. I don't think there will be much bulging at all. The over all diameter will be taller by a bit and the speedo might read a tad slower.
 

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Get another tire, screw waiting on backorder.

235/50's are a really random size, but they should look halfway decent. My vote is just to hold out for the proper size tire or get another brand.
 

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if it's width you're concerned about, you could go 255 on the front, 275 on the back if you really wanted to.
He has n/a 16" rims.. there is no 275 suitable for those.. and the 255 would be kinda big for the front on 16s.. 235/50 and 255/50 are barely bigger than the others you stated.. less than 1/2" wider and less than 1/2" taller overall.. so sidewalls will only be about 1/4" taller. IIRC the widths for those rims are 8" and 9" so those tires should fit fine. Also, I think the stock rear size for mk4 n/a is actaully 245/45-16. Taller tires will affect the speedo, however in my experience mk3 speedo read a few mph fast anyway at highway speeds.. and the taller tires actually corrected it for me. But this may not be true for your particular car so if you care to be sure, the only good way to check is with a GPS.

By the way.. I have mk4 TT 17s with 255/40 front and a 5/16" spacer, and 315/35 rear. I have run 265s on front and prefer them but 255s was what was available last.
 

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Now with 0JZ
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He has n/a 16" rims.. there is no 275 suitable for those.. and the 255 would be kinda big for the front on 16s..
Since when does wheel diameter have any relavence to tire width?

275/40/16 will fit on a 16x9" wheel, and 255/45/16 will fit on a 16x8 wheel. And guess what? Both will give him the same overall diameter of a stock wheel.

I run 255s on the front of my car on a 17x8. True, the wheel is a bigger diameter, but it fits width wise. In fact, I'm running 255/45/17 on the front, so the overall diameter is actually BIGER then the 255/45/16 wheels, and hey, they STILL fit.
 

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im running 245/50/16zr dayton on mine and my fronts rub a little if i had to choose another tire size i would go with just a little lower prof. on the fronts and maybe a bit wider on the backs.
 

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7m > 2jz > 1jz
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the mk4 n/a rims are 8" front and 9" rear, you can and should run a 245/45 16 on the front and a 275/45 16 in the rear. . . . the 245 is an 8" wide tire and a 275 is a 9" wide tire. . . .

i run 03 mustang gt rim 17x8" all the way around and i run 245's in the front and 275's in the rear and with no buldgeing of the side wall and no rubbing at all lowered on eibachs and kyb's. . . . and soon to be ugrapdeing to 315's on a 10.5" rim (different rims) and a tien coilover set up. . .

-sean
 
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