What type of intake set up do you have, we found one that was collapsing at WOT, obviously took a while to figure out, just too soft. Whatch the fuel lines too, I
had one pinch under hard acceleration off my regulator, little stuff is sometimes the most annoying.
Well, ever since I took my FPR off & reinstalled & added a bottle of seafoam to it, there have been no issues for about 2000 miles. 500 of those were towing 2500 lbs & another 550 towing about 7500lbs.
1999 Silverado 2500LD EC, SB, 4x4, LT, 6.0 V-8 (LQ4), 4L85E, 4.10 gears & a G80. 4" homemade intake, 3" magnaflow 2 into 1, diablosport predator tuner.
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