Is it really necessary, No.
Will it make a differance, yes but in all likelyhood you won't be able to tell.
Yup, just slap it on and go!
But just keep in mind that it's the details that add up.
Oh yes, concerning those bearing clearances.... oh never mind, just slap them in and go
'Damn right it's a street car'
__________________
'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 )
Old information here:
http://www.hotrod.com/articles/0712p...tiac-trans-am/
Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine)
Best time 5.13 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension
https://www.youtube.com/watch?v=qDoJnIP3HgE