changing the speedo to match tire size?

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05-02-2008, 02:12 PM

#11

DarkFireGT

4th Gear Member

Join Date: Jul 2007

Location: East Moline, IL

Posts: 1,852

RE: changing the speedo to match tire size?

To give you the exact number, we'd need to know who makes the tires. There is a variance between manufacturers.

05-03-2008, 12:48 AM

#12

bcstang

2nd Gear Member

Thread Starter

Join Date: Sep 2007

Location:

Posts: 331

RE: changing the speedo to match tire size?

yokohama parada spec-x's. thanks for the help itll be nice to have the speedo matched up again. good news is that i have a set of 3.90's that will be installed next weekend so i should get my acceleration back.

05-03-2008, 04:13 AM

#13

Orion_240

6th Gear Member

Join Date: Apr 2005

Location: West Los Angeles

Posts: 5,390

RE: changing the speedo to match tire size?

so let us know if you're getting better MPG before the gear swap!
I have a feeling lots of daily drivers will be switching back to 3.31's when gas goes over $4... and $5 by this summer!

05-03-2008, 05:59 AM

#14

Shelby2809

1st Gear Member

Join Date: Apr 2008

Location:

Posts: 64

RE: changing the speedo to match tire size?

Quote:

ORIGINAL: waykooljr

From http://www.1010tires.com/TireSizeCalculator.asp

Revs per mile 699

You might want to compare to stock size of 235/55/17, interesting results to say the least.

This is a nice reference for my future rim swap, thanks!