Quote:
Originally Posted by Sven7
Do an air dam and add pans under the engine bay and behind the rear axle. The minimal gains you're likely to see by doing a full belly pan instead of the former aren't worth it in my opinion. Use only existing holes when mounting stuff.
Roofing tar sounds promising but I still wouldn't chance it.
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I used the same principle on mine. Avoided drilling any holes in the truck; used holes or bolts already in place, fabbed brackets to support the panels from L-angle metal (flat straps flop around too much to suit me). Had pretty good results with the first half of the truck covered. Did a full belly and didn't see much difference.
Be sure of what bolts you loosen though. I loosened two that required a new front end alignment. WHoops.