454 420
#2
Registered
The 420s came with an 800 holley. So you might gain a bit.
But then again, the the 410hp 502s came with a 750 weber/carter/edelbrock, so maybe not. Does that answer your question?
Gary
But then again, the the 410hp 502s came with a 750 weber/carter/edelbrock, so maybe not. Does that answer your question?
Gary