oh...sorry guys...i didn't mean to confuse anybody. the shocks were for the suspension to smooth out the ride. i got a set of 4 toxic shocks. 2 for the front and 2 for the back. the lid was...just a lid basically. i wanted the back to be covered. is it true that the lid saves gas? i dunno...thats what i've heard. it looks better with the lid anyway.
I recently read a study by an aerodynamic research firm showing that you get less drag with your tailgate up than you do with it down or with a net on it, apparently the air inside the bed just kinda swirls around in it's own little pocket causing air coming from over the cab to hit that air pocket and pretty much go right over the bed, I'm sure you've seen things just kinda blowing around in circles in the bed and never really going anywhere....but that with the gate down or off there is a steep drop from the cab to the bed floor, causing a lot of back drag. The cover will obviously do approx the same thing as the airpocket you get with your gate up, only better since it's actually there, not just air. Less drag=better fuel efficiency. Can't wait to get mine ordered and flip my tailgate handle.
Nah, didn't save it anywhere, just came across it cruising around online one day, it was a pretty interesting article...basically one of the guys at the firm just decided to physically test this to answer for sure if it hepled or not to have the gate down, they said they were surprised by the results, but tests definatly indicated less drag with the gate up.
Yeah, I saw it on the news. And again in some little newsletter thing they put out at work about carpooling, walking, saving gas, etc. Makes sense if you think about it because if you have some trash back there it'll swirl around for quite awhile before it actually flies out (if it does at all.)