I have a hinged one in the floor of my 87 dually and I have used it several times for fish / cooler ...Ive put a couple bags of ice and it stay for a couple days so that tells me it must be insulated ...mines rite behind the fuel tank most of the time its full of rope and junk.
__________________
1987 Dual Console / 2007 200 hp E-Tec
|