Stock Gauges

[Snappy6]

Help my stock gauges or reading wrong out of cal. All the LEDs are working but my RPM is about 1500rpm high and it is showing boost at idle. Need to FIX ...

 

[1970gsx]

4th item down. http://www.casperselectronics.com/cgi-local/store/commerce.cgi?product=SVC