Does anyone have any suggestions for ways to fasten 2 x 4s as cross bars for the factory 300td rack. I'd like an option that is that is solid and doesn't have to rip the existing bars to shreds. I read someone saying they did it with lashing and rope...but I'm not a knot guy and would prefer a hardware option. I've looked into the various yakima/thule options but really want to do this CHEAP. hte plan is to eventually mount a car top carrier to the crossbars.

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'85 300td Frybrid WVO Kit