Originally Posted by showbusiness
CAN ANY ONE HELP WITH THIS , WHEN DO YOU NEED TO CHANGE FROM A 6AL SYSTEM TO THE 7 , WHAT ARE THE BENEFITS..MUD DRAG RACING WITH NATURAL ASSPIRATED SBC , NO BOTTLE...
I've ran the 6al on my bigger inch bbc with alky on them with no issues at all. The only reason I even switched to the 7al3 is everything is built in for the chips. If what you have is working dont change it. Inscreased spark is what you'll get. IMO if you want to change go digital 7530T