Two comments.
- Use a GM HEI 4 pin module & E coil [ such as MSD #8207 ] & run 0.060" plug gaps.
That will do more than both of those systems. For even more 'oomph', use the MSD #83647 module or Summit copy.
- Using the Chrome box on the street will cook the coil from the increased current & dwell.
Disagree! Been running the chrome box for about a few are now on my everyday driver. Approximately 15,000 miles a year doing everything from 50 mile one way commuting to a ton of around town tasks.
5.9 Magnum with only bolt on parts (headers intake ignition swap) that runs a stock 904. It had 3.23’s on 26-1/2 tires for years until the rear gave up and I moved to 3.55’s.
Zero issues and still works fine.
The “GOLD” box has listed limitations from MP.
Not the Chrome box. I have never read any limitations.
