trans or rear end ????

[apachedaddy]

what to do what to do, please chim in on this.... I have a 350/350 in the 66 and was wondering if i should go with an AOD trans or better gears for the open road.... I have a local place here in savannah GA that will rebuild the old 12 bolt (posi trac/gears/and new 5 lugs axels/and all new guts) for $1400... Was thinking around a 3:08 gear or maybe a little taller.... OR a AOD trans that i could get a kit or try and put together from the PAP yard... Either way i go on the trans it could cost me alot more in the long run... If you had your choice what way would you go.... I do about 50/50 in town driving and on the road... Thanks for your input....