340 6-pack ???

here's a couple of links you might want to look at.

http://www.mopar1.us/6barreltips.html

http://www.sixpackperformance.net/

http://promaxcarbs.bizland.com/sixpack.chtml

http://promaxcarbs.bizland.com/Home.chtml

These should get you started. Not sure about sixpack performance in N.Mexico, haven't dealt with them in a long time(8 years plus.) Pro max is the people I see people talking about now tho. Let's hear how it turns out. JOE