speedo Q's

[RUTAN TA]

I have a few local customers with Firebirds/TA's that want a 200mph speedo. I was wondering if we can calibrate the speedo,like we do for tire size? Does anyone have a formula to figure it out? any info is helpful.

[Ira]

I have a few local customers with Firebirds/TA's that want a 200mph speedo. I was wondering if we can calibrate the speedo,like we do for tire size? Does anyone have a formula to figure it out? any info is helpful.

If you do it with EFILive you'll screw up the odometer and the other mileage sensitive things like oil change lights.

Ira