Speedometer after tire change

[rvs9]

Went from my stock setup to 38" tires. I am pretty sure that my speedo is off now. Have any of you guys experienced this and what was your fix?

[rvs9]

Went from my stock setup to 38" tires. I am pretty sure that my speedo is off now. Have any of you guys experienced this and what was your fix?

[CBR_Raven]

<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by rvs9:
Went from my stock setup to 38" tires. I am pretty sure that my speedo is off now. Have any of you guys experienced this and what was your fix? </div></BLOCKQUOTE>A programmer will let you to change the tire settings...I have the Hypertech.