Speedo question?

[ALLMTR5.0]

I installed my SCT Xcal2 with DJ`s looney tune, I had to give it a "full throttle" test after it was on for a few days. When the speedo hits 100mph it goes back to 0, is this normal?
thanks

BTW I can`t wait for a little warmer weather for a trip down the 1/4 mile:evil

 

[nummit]

Yep, It's normal..If you look at the odometer at 100+ mph all you will see is -------- LOL