new swap firing order camshaft

[jmantle]

Originally Posted by SSDiv6

If your Stock Eliminator engine has a dual plane, save your money. The pulses on the intake manifold will be disrupted by the changed firing order.

Trying to figure this out in my head. By what I remember, an LS is 18726543.
On a dual plane, this would be alternating between planes so why would there be an issue?

Jim Mantle V/SA 6632