340 stroker

cpearce said
Many people do.

I know my W2 head 408 revs way quicker and wants to go much higher in rpm than another 408 I know with Edelbrock heads and a larger cam. Heads play a huge role in RPM capability.

W2 or Eddie heads with porting are one thing. Putting stock J heads on a 408/416 is another thing entirely

Sure a W2 will act differently. A W2 is a race head. An eddie is a factory replacement head. Big difference in potential