I think the orange is good up to 6000rpm, and the chrome over that. The advantage is that you can go to the local parts store and get a replacement ECM to get back on the road. I don't think you can say that with the petronox. -----Original Message----- >From: "Gary H." <spigot2039@xxxxxxxxxxx> >Sent: Aug 12, 2010 6:21 PM >To: 1962to1965mopars@xxxxxxxxxx >Subject: Re: Why not Mopar electronic conversion instead of Ignitor I, II, or III? > > > >I think the difference is the ability to produce at high RPMs. The orange box is street/strip. > >For a driver I believe an argument was made here before to use a standard Borg Warner unit. Save some bucks that-a-way. > >Thanks, >Gary H. > >-----Original Message----- > > >>I never have been able to determine just what the black, orange or chrome >>electronic does? Doesn't the stock Mopar dist. that needs one of these >>boxes have mechanical and vacume advance? Does the boxes magnify the spark >>voltage? On my Dodge build I am trying to decide on the pertronix with a >>hot coil or the stock type set up...............................MO >>{Steve Mick} >>http://stevemick.shutterfly.com/pictures#Part%202 > > >---- >Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! > >1962 to 1965 Mopar Clubhouse Discussion Guidelines: >http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html. > ---- Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks! 1962 to 1965 Mopar Clubhouse Discussion Guidelines: http://www.1962to1965mopar.ornocar.org/mletiq.html and http://www.1962to1965mopar.ornocar.com/general_disclaimer.html.