[larrystone]

I am going to make my sides from composite decking lumber and stainless steel fasteners.

In the last three days I have drove 167 miles (about 1/3 city, 1/3 two lane secondary roads, and 1/3 I-80)
and used 9.4 gallons of fuel for a net fuel mileage of 17.8.

I can't imagine how much better fuel mileage I would get with the four speed overdrive transmission with the 2.73 gear set. Frankly I don't think it would be a real improvement when you take into consideration the mountains I need to climb in Northeast Pennsylvania.

One other issue is my timing is too far advanced for 87 octane 10% ethanol fuel. It has spark knock during acceleration from a dead stop and when climbing hills. Time to brush the dust off the old timing light.