building 8 3/4 489 section

ok, so I think to have a significant improvement in ET i Change to richmond 4.86. Even if i have to shift into 4th gear :)
Pro gear? never heard about. Is this not the regular set?.
good tipp with the oil. what viscosity?

justinp61, yes, I am from Germany. But have a trip to PA/MD next month. Will use it for picking some parts. Prices here and shipping is KILLER!