Today I mocked up the tank and slid the cross member up to it.I gotta say the fit is very nice.It looks right at home,no rubbing the sides,3/4 inch clearance on top and the bottom of the tank has nice clearance too
Now I need to mock up the van tank straps on the cross members for a factory looking install.
There's about a foot of space from the bumper to the tank.With the cross member there bolted back in place that should be enough clearance to be safe from a rear collision.
The only issue I have with the tank is the filler location.With the tank positioned as it is the filler neck is just under the top of the frame rail.I have center of the filler marked for reference.
I'm going to use a 2 inch or 2 1/4 hole saw to make a hole for the filler tube.Then I will reinforce the frame accordinly