When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
In all seriousness what you are asking for is not a simple answer. The Ford twin-I Beam or 4WD version, TTB, does not easily adapt to elevation changes higher or lower.
Some more details of your truck and your goals would help everyone here to answer your question(s).
Rezvani's Latest Post-Apocalytic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.