What do you need plans for. Go to your local farm and ranch store and
get the size tank you want. I got a 100 gallon tank that fits in the
pickup bed. Drill four holes and attach the power. Then attach the 12V
electric pump, filter and hose. Fill with fuel. I have since moved the
tank to a 4x8 trailer kit that I bought later at the same store. Don't
settle on the 50 gallon because the plane holds 37. A bigger capacity
allows you to go longer between trips to the gas station.

Pete Brown wrote:

I have a C-170 than readily and legally burns mogas and I would like to
find some plans or suggestions for building a tank, pump, and filter
system that I can mount in an old pickup or on a small trailer.

I don't need much capacity, 40 gallons would be adequate, 50 probably
overkill, as my plane's tanks only hold 37 usable.

Does anyone have any suggestions for a suitable system?

Thanks