Quote:
Originally Posted by Piotrsko
Not a ram fancier, I do f250's. They are similar. There is generally this huge upflow of air beyween the cab and the bed, more noticeable with the cab high shell and it causes a wind wall. I put an inflatable seal on mine for a while and noticed a 5% efficiency gain until the SoCal desert sun destroyed it. When I had the turbo uppipes start leaking Co, I discovered everything in the tunnel entered the cab through the pressure flaps in the rear floor. There is a serious pressure gradient between the cab and bed.
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Thanks for the input! Just to confirm... that 5% gain with a the shell?
I bet the reason for the seal being on the bottom on the Rams was to keep the air clean for the vents on the back of the cab.
The up flow comment has me wondering now... how that flow interacts with the tonneau cover and the pressure it adds.