Helping JimT out with an inframe ...

[schISM]

(09-26-2020 )JimT Wrote:  One final thing, not sure if it's related, but I noticed yesterday that the fuel level sending unit seems to be going bad as the fuel gauge started bouncing around randomly. Maybe it's time to just replace the sending unit, vents and all the tank fuel supply lines.

If the fuel being returned to the tanks is aerated enough the bubbles will sink the fuel level float causing your fluctuating fuel levels. But you’d really have to be sucking ALOT of air. On a side note, what’s your egt’s running loaded with 30psi boost in a sustained pull?