You can do anything you want on your car but I would not recomend aluminum instead of copper. Copper is a lot softer and will not leak as easily. I have seen aluminum washers on hydralic systems but with a rubber washer inside. David Teitelbaum vin 10757 --- In dmcnews@xxxxxxxxxxxxxxx, "therealdmcvegas" <DMCVegas@xxxx> wrote: > --- In dmcnews@xxxxxxxxxxxxxxx, id <ionicdesign@xxxx> wrote: > > If they are the fuel lines to the fuel dist you need torque specs for dont