Another crossmember ?

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OK, First let me say I have read all the crossmember posts I can find. I have decided to section my crossmember 1 1/2". I was also thinking of moving it forward maybe 1", If I do that the steering box will need to move also and the idler arm or what ever it is called on the other side. When I am moving these items forward does anyone see any reason why I can't go up also like maybe 1/2"? this would solve a couple of clearance isues, Like tierods and steering shaft. I would love to here your comments before I get that far.
Thanks Jack