305/40/18? Is 27.6" too much diameter?

[Camus]

Hello,

I would like to know if someone has tested this diameter or knows if it would fit in the rear? Not the width but the diameter.

I'm hitting 130mph at 6800 rpm or so, I would like to drop it to 6500 or closer.

Wheel is 11" width and 18".

Thanks

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[Hasan]

OEM diameter is 26.6". I think +1" will be fine as long as it clears the fenders.

 

[Hasan]

OEM diameter is 26.6". I think +1" will be fine as long as it clears the fenders.

A lot of people run 295/35/19 without any issues in the rear, which is 27.1" diameter.

 

[Chefkm2024]

A lot of people run 295/35/19 without any issues in the rear, which is 27.1" diameter.

I'm currently running 265

 

[Chefkm2024]

I'm currently running 265

I'm running 265 35 R19 on 19x10 in front and 305 30 R19 on 19x11 in the rear with no issues. They look amazing!

 

[digdeep0169]

I run 305/30 20" and diameter is 27.2" - cutting it close on H&R suspension... but haven't had any problems. the Velgens are lightweight.

 

[razorlab]

I'm running 265 35 R19 on 19x10 in front and 305 30 R19 on 19x11 in the rear with no issues. They look amazing!

Cool story. What does that have to do with the OP's question about 305/40/19?

 

[digdeep0169]

Cool story. What does that have to do with the OP's question about 305/40/19?

illustration purposes. 40 would be a bit too much.

 

[Hasan]

https://www.supramkv.com/threads/st...uld-you-run-a-305-35-or-a-305-30.20505/page-2

Check this as well. Dudes running 305/35/19 which is a 27.4” tyre.

 

[Camus]

Cool story. What does that have to do with the OP's question about 305/40/19?

Actually 305/40/18

I think it should be ok right? Is about 0.8 inch larger than stock, is almost the same as using springs to lower 1" on stock diameter.

 

[razorlab]

Actually 305/40/18

I think it should be ok right? Is about 0.8 inch larger than stock, is almost the same as using springs to lower 1" on stock diameter.

should be fine in rear. What wheel offset?

 

[Camus]

should be fine in rear. What wheel offset?

Stock offset using TE37 Sagas 18".

It will look lowered lol.

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