1977 dodge sportman

pitch wrote:
Perhaps if you would form your questions into comprehensible complete thought you would get better responses.
It costs exactly the same amount to type a complete sentence as it does to type the gibberish that you have posted.
Do you no,(KNOW) any specific information on your Tradesman? Is it a 1/2 ton or 3/4. What engine does it have? 225 slant six, 318 V8 360 V8.
you are not going to run roof airconditioner off an inverter.

Mileage depends a lot on you,lead foot or soft foot.
Is a 1977 even compatible with unleaded gas? The phase in was longer for trucks than it was for cars,does your van have hardened valves and seats?
There is a lot of help available if you can find a way to express your desires in a concise manner.

Someone had to say it. :)