Porting on 5.7 vs 6.0l
#1
Porting on 5.7 vs 6.0l
I've been told that the 5.7l head is much better suited for porting as opposed to the 6.0l due to GM casting design. Anyone have info on this issue to back this up?
#3
I've been told by two engine builders that 6.0l motors are using 5.7l heads due to smaller combustion chamber, yielding higher compression ratios. If you look at the first posting on cc's vs cr's, you will note that exact info. Higher compression ratios along with a good port job will yield much better performance! If you focus on stock heads, they flow better stock. Porting is when they begin to differ. Check it out!
#5
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when it comes down to it, you will get much more bang for the buck and time if you just buy a set of heads. as soon as i save up some money, i am looking at the afr heads!