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What about Guzzles mod adding a second pump (between tank and OEM pump, although he did the H/H mod also)? I noticed my fuel pressure dropping to about 45 when in the 120 setting on my DP. Might be temporary, but only about $70 to do...
i have already added another pump and filter, so i have two electric pumps before the hpop, could it be that the hpop just cant keep up? of maybe the small fule lines are a problem...
i dont really want or need a DP tuner, i almost always run my truck on the lowest tune setting because with my other mods that is PLENTY of power, plus after reading all these problems with the OD in the 6spd i am worried about blowing up that trans. seems to me that a slightly moded auto is stronger than my 6spd