I replaced my fuel filter about 2k miles ago and it was filthy. I just noticed now at full throttle, I actually lose power compared to 3/4. I am bone stock, about 24# boost, and never see above 1000*, ever. I suspect the filter is going bad, making me "run out of fuel" at WOT. Could use some help here; I'm getting blown away by everything except a fat girl on a tricycle... thanks, bruce

 

do you have a GSK yet im going to guess no so im betting whats happening is at full throttle your truck is defueling its self

 

thanks- I won't go spend $20 for a new filter quite yet