I've got a fuel cell in my '46 Panel, looks like this,
http://hotrodders.com/gallery/showphoto.php/photo/5177/size/big/cat/500/page/5
http://hotrodders.com/gallery/showphoto.php/photo/5432/size/big/cat/500/page/5
Stainless steel, a friend made it for me to my specs to fit in the frame rails.
I mounted it behind the rear axle and ran the filler neck into the left rear fender like this
http://hotrodders.com/gallery/showphoto.php/photo/19530/size/big/cat/500/page/1
http://hotrodders.com/gallery/showphoto.php/photo/19531/size/big/cat/500/page/1
I don't know about pick-ups but I didn't have to notch frame just a little sheet metal pinch weld area and have a good down flow angle too.


David
Just a firefighter,
Cleverly disguised as a responsible adult
'46 1/2 T Panel