Equivalent 17" tire spare diameter for 18" take-off wheels and tires

Who is going to tune their 4th Gen Tacoma? OTT Tune

TRD JON · 2025-04-01T04:39:32+00:00

On April 8th, I have an appointment with my local tuner to flash the OTT Tune onto my 6th Gen 4Runner (and 5th Gen to show ol' girl some love), and maybe my Tacoma TRD Pro. I was sending him emails back and forth and I am very excited to get it done and see how it is for both vehicles and maybe my 4th Gen Tacoma as well. I am hesitant about the Tacoma becuase it is a lease and it is a hybrid. But their numbers and reputation with the last-generation trucks are promising. The new 4Runner already drives so much better than the 5th and I assume with this new tune it will be even better with the added horsepower and torque. The nice thing about this tune is that it can easily be removed from the vehicle if needed, without leaving a trace on the ECU. Here is a chart he provided me to show their proven dyno numbers both non-hybrid and hybrid models. Anything I should be cautious about? Non Hybrid Hybrid

jgc731

New member

Aug 28, 2024

My stock wheels and spare are 245/70/17. I since upgraded to current gen Sequoia TRD Off Road 18" wheels with 265/70/18. What would be the equivalent tire I can get to run the same diameter as my new wheels in case of emergency and I need to use the spare? Also would it fit in the original spare location?

Thanks in advance.

Equivalent 17" tire spare diameter for 18" take-off wheels and tires

jgc731

New member

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