$500?
E Streets are $100-300 more than the Chinese copycats.
I’d pay the difference....... but not everyone would.
Also....... it would be around 10hp difference....... on a mild street type 440 build.
People sometimes have a hard time comprehending that that doesn’t mean there can only be 10hp difference.
On a bracket race 505 with 11:1 and a good sized solid cam, big headers, big intake, etc......the type of combo where any of this style of ootb head is way too small to allow the motor to make big power.
In that situation, the E Streets having the best ootb flow are going to make very good use of whatever that flow advantage is.
I could see a best-to-worst scenario where the difference in power could be over 20hp.
