That's right, with either o.d., the .63, .72 or .73 the 4th gear rpm is the same ( 2925) given the parameters I laid out above. The only difference is the O.D; The .63 would be 1843. .72 would be 2106. .73 would be 2135. .76 would be 2223. .86 would be 2515. PIck your poison and where you live.

"Drugs are money, money is power, power is security." - Kent Heiner
Nedrow population 2212
Carbon footprint family of 2/11 tonnes of CO2/yr