[Winfield]

I know this is not exactly what you asked, but I'm seeing it as related to what you might be going for.

To me - on headphones - the guitar needs some 'bite' as in more distortion to bring out some top end and give more 'grit' to the palm muted notes. Your reference genre has often some more distortion on the bass as well.

I'm guessing this would bring the guitar(s) more to the 'front' - and perhaps give a better measure as to what might be achieved by doubling the gtr (that being said, doubling them often gives *a lot* - perhaps just try it out on a section.

-W