Help me diagnose my miss over 4500rpm.

Treblig said
You wrote ,"I used to shift at 5300 no problem, and accidentally let her spin up over 6000 once unintentionally."

Did the problems start after you went over 6K....if not what did you change on the engine?? If it ran fine at one time something had to change?? treblig
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It did happen after the rev over 6k. But not immediately after. Everything else I did was to try and correct the issue.

AAndrews said
Here's the ignition box I am currently using. Found out about it in Mopar Action. Big improvement over the new orange box I just installed that crapped out after 200miles. Price is pretty good as well.



Blue Ignition Control Unit 7,500 RPM
Part Number: 555-40805



JEGS Blue Ignition Control Unit 7,500 RPM $34.99


HiRev 7500® Ignition Control Unit
  • Modern Electronics with Mopar OEM Appearance
  • Comparable to Mopar Chrome Ignition Control Unit
  • 7,500 RPM
  • Made in USA
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Thanks, That is another ignition box I was considering. I was thinking about the FBO because of the rev limiter but they want you to buy their coil too.

Cley