There was a slow leak at the bottom of the fuel pump hose. I threw on a smaller gear clamp and its holding pressure now. Thanks for all the help everyone
There was a slow leak at the bottom of the fuel pump hose. I threw on a smaller gear clamp and its holding pressure now. Thanks for all the help everyone
Back Alley Motorsports 98 GMC
-5.3l LM7 bored to 5.7l Thompson Motorsports -72mm T4 Magnum Turbo
-TU1 Custom Grind cam(spec speed.inc) -799 heads
-.660" Trick Flow dual valve springs -Forged Probe Pistons 3.902" flat top