Jorge6.5
I'm Awesome
Dorman also makes a 31 gallon tank for these trucks ... not sure what the ywere made for but that's what I bought for mine. It fits between the frame rails, just have to figure out a way to mount it... which shouldn't be hard ..
http://www.dormanproducts.com/p-284...make=Chevrolet&model=C1500&parttype=Fuel Tank
That sounds like a great option and it fits my truck!