Ok guys 2003 stock running looney non stud on the truck cruising seeing 60 psi only up hill itwill go to 55 slight throttle. Today put the pedal to the floor and I hit 30 let off and was curios if it would do that again it did but took awhile to come back up to 60 didn't want to push my luck and desdestroy a oring. Now could there be something in the tank causing this before I blow 269 dollars on a pump.
The early 6,0 was bad for the regulator spring getting weak. They came out with a upgraded spring kit commomly called the blue spring kit. You may need that.
Blue spring is installed already. Wondering if my draw tube could be blocked
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