Ned, I think HEMISFEAR works wether you do a HEMI, or not...
If you do a HEMI, then great, the message is "Hey be fearful of this HEMI", etc...
if you do something non-HEMI, say, a gonzo, turbo'd 440, then the message is
"Be fearful of THIS, all you HEMI guys!" (HEMI'S FEAR)