MSD 6420 6AL
#2
Senior Member
RACING JUNKIE
Join Date: Jan 2006
Location: La.
Posts: 2,890
Why :?: The 6420 will run anything you have with an added 2 or 3 step. I've run the 6420 on blown alcohol engines and have 2 of them. I also have a 7AL sitting on the shelf which i don't use, because i don't find it necessary.
JMO
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JMO
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