[pjaswinski]

Originally Posted by Bob Kontak

The 6AL2 has a built in rev limiter vs having to buy separate RPM pills (plug in units that limit revs). Summit racing has a rebate for $25. Not sure about Pelican. Looks like the 6AL2 is a little smaller and that may make mounting easier.

MSD Ignition 6421 - MSD 6AL-2 Ignition Boxes - Overview - SummitRacing.com

Same rebate for the 6AL.
looks like the new 6AL has a rev limiter built in as well.

MSD Ignition 6425 - MSD Digital 6AL Ignition Controllers - Overview - SummitRacing.com

Ok the 6al it is. Guess the 6al2 has a two step rev limiter?...

Again, thanks for the input and help on diagnosing.

Pierce