Building budget 5.3
http://www.hotrod.com/articles/ls-cam-test-comparison/
as far as the 243 heads, they will flow better. I am going to be using 799 heads on my 5.3 which supposedly are from the same castings as the 243.
You will lose some compression though.
http://www.hotrod.com/articles/ls-cam-test-comparison/
as far as the 243 heads, they will flow better. I am going to be using 799 heads on my 5.3 which supposedly are from the same castings as the 243.
You will lose some compression though.
Last edited by tom123payne; Jan 8, 2017 at 12:56 PM.


