x2 on relay that is exactly what mine did swap the two midle relays on the passenger side under the hood in the row of four togeather . if it starts go buy a fuel pump relay
my .02 i am a fitter and work with sch40 all day . and to me it is fire sprinkler pipe that is why they make it . and the quality sucks i have seen 1" break off frum a lift hiting it and 1 1/2 bend all to easy . and in some cases seen a 2' section leak water frum the seam that you cant see with...
i have a 90 xj with 6" lift and 33" tires bought it that way but dont know if it has gear to match . at 70mph it runs 2400/2600 rpm is there a way to check them ?