Any speckles, black or bright silver, on the porclyn? If so I would be tempted to try some 62s and then take another look after hitting it a WOT I prefer a cold plug and a lean mixture. I don't have any real experience with a aluminum headed pump gas hemi on the street though so keep that in mind I also ran 34 to 36 degrees in the iron headed 426 Hemi I work on
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
I prefer a cold plug and a lean mixture. I don't have any real experience with a aluminum headed pump gas hemi on the street 
though so keep that in mind 
I also ran 34 to 36 degrees in the iron headed 426 Hemi I work on 
