Any tips on routing air lines for rear “drag bags”on a 72 GS?

Discussion in 'Race car chassis tech' started by Canadian GS 350, Apr 4, 2019.

  1. Canadian GS 350

    Canadian GS 350 Well-Known Member

    will plumb them independently- just looking for advise, if possible some pics - thanks
  2. Dragdoc

    Dragdoc Well-Known Member

    How accessible do you want the valve stems? Route into the trunk or behind the rear license plate (my recommendation).

    May need to make a little bracket and be sure to position so it is fairly easy to get an air chuck or pressure gauge on the valves.
  3. Mike B in SC

    Mike B in SC Well-Known Member

    The rear bumper on my 68 had two unused holes behind the tag, one on each side. Perfect for the air valves and they were the right size, too.
  4. hugger

    hugger Well-Known Member

    My advice is don't even use them
  5. hugger

    hugger Well-Known Member

    But if you really want to try them I always used zip ties along the brake line, then up to the fuel tank bolts then over to the holes in the frame there by the tank then thru the rail and into the 2 vacant holes in the bottom of the bumper on each side
  6. BrianTrick

    BrianTrick Brian Trick

    I have one in the right rear of one of my cars. I routed the line over to the rear frame rail,and there was a hole on the bottom side for the valve to mount. It faces down,and is easy to access behind/under the car.
  7. dan zepnick

    dan zepnick Well-Known Member

    I did what hugger suggested, ran the lines individually back on each frame rail to the unused holes in the bumper under the light assembly. They point down and easy access.
  8. Canadian GS 350

    Canadian GS 350 Well-Known Member

    Thanks everyone. Hugger - I’ll route through frame rail.

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