thoughts on distributor?

Who here has the mopar performance, vacuum advance distributor on their small block? Ive got a stock 318 dist. in my 360 and thinking of an upgrade. Also what about th

heres on from mancini racing im thinking about
http://chucker54.stores.yahoo.net/vacadeldis.html

Or what about this? HEI?
http://chucker54.stores.yahoo.net/prel.html

whats the deal with HEI anyway? sorry never read up on them or worked with them, but isnt HEI what GM uses?

any thoughts on either?
Author: admin