

I am impressed with how MD Juan is responding to feedback on this forum. Keep up the good work.
I think that provides room for the gas/vent/return lines to pass between the body and frame. Thanks to Spankrjs, I remembered his recent picture that shows this area, but on his picture, it looks like that indentation isn't there. Not sure if it was something different between years? From personal experience, the more room around there the better, it's very tough to work on those lines without dropping the gas tank.
This picture is from behind the rear axle, under the rear crossmember, looking up the driver side of the frame, same as the side that's being asked about. You can see the body mount just to the left of the lines that would bolt to the mount just above where you're pointing in your photo. The lines in this picture are disconnected from the tank obviously, which has been removed.
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I think that provides room for the gas/vent/return lines to pass between the body and frame. Thanks to Spankrjs, I remembered his recent picture that shows this area, but on his picture, it looks like that indentation isn't there. Not sure if it was something different between years? From personal experience, the more room around there the better, it's very tough to work on those lines without dropping the gas tank.
This picture is from behind the rear axle, under the rear crossmember, looking up the driver side of the frame, same as the side that's being asked about. You can see the body mount just to the left of the lines that would bolt to the mount just above where you're pointing in your photo. The lines in this picture are disconnected from the tank obviously, which has been removed.
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I agree. The indention is behind the fuel tank.I think it would be there for the lines that run to the rollover check for a 15 gallon tank. I have a 20 gallon tank and the space is not used for anything.

