Quote Originally Posted by Lextech View Post
A stock Gen3 fuel calibration will not work the 98 gauge. Assuming the wiring is correct---It is the tune.

Jeff
Well im tuned by flaco and itz a speed density tune, I have a 4-barrel throttle body. My harness...well itz actully 2 harnesses. One is the stock 350 vortec and the other is a Nelson Performance stand alone.
How would the tune make it mark the fuel gauge? You lost me. lol