Can you use 317 casting heads on a 3.90 bore LS1 motor?
#1
Can you use 317 casting heads on a 3.90 bore LS1 motor?
I read in another thread that you can't run them because the valves are spread further apart (???). I was under the impression they just had a bigger combustion chamber and valve spacing and clearance was the same as LS1 heads. Thanks