I finally heard back from 'em, yesterday afternoon.
But this is a tech Q&A forum; let's respect that and discuss this on general... let the tech keep bumping to the top on this part of the board.
-Bill
Seduce the attractive, and charm the rest.
******
489 C.I.D., roller cam, aftermarket heads, tunnel ram, stock '54 Dodge rear axle assembly: which of these doesn't belong?