If you are looking to make that level of power, the 360-1 is a better choice than the trick flow for the sole reason that they use an offset rocker which means the physical size of the port is just bigger.
I understand what you are saying on the Canadian thing. I know all about exchange rates and borders. I use a U.S parcel shipping address. Pick it up yourself and bring it over, pay your taxes.
I think one of the other posters said it best. He spend $5,000, changed over from the Edelbrock to the trick flow and only went a 1/10 quicker, however high 9,s ain't no slouch at all.
Chrysler use to publish a list of compatible parts combos to achieve a certain performance level, there was alway 2 parts to it. The motor and the chassis. Those are a good guide.
