rearend ? again

okay finally got it in used the 1559 bearing the rp6408 seemed to big freezed the bearing heated the houseing and it went in easy couldn't belive it i just don't like them 355's it's like running in 2 gear i can't see doing any highway driving i'll probley change em for something low like 300 gears probley what the 71/4 had it ran like 1800 rpm at 60 it's like 2800 at 60 now i thought 355's were street gears ?