Which should I do??????
First one is a 5.3 with the standard upgrades.
2nd one is a 23 degree SB. But it has Bowtie block, Crower crank,11x Brodix ported heads, all Jesel shafts and timing belt. I was thinking of just changing the pistons to work.
Wanting to use a 88-91mm turbo
The car is a 72 Buick Skylark(3600lbs)400 turbo
the carb I have is a 930cfm but convert to blow through
The LS stuff is new to me but I see stock short block 5.3's running 9's with no problems.
Any suggestions would be a big help in me making a decision. Thanks



