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Well now with what you know about or do not know about the valve springs. you should get some new ones on it..if it fixs it or not.. That be the first thing I would do.



Im with Vern. I would replace them first. Hate to float a valve or have a valvetrain problem, especially if they havent been checked. ( Vern is pretty sharp with tuning, and his daughter is deadly on the track, howdy Vern )
The orange box being suspect is a given, would chuck that and stay with the MSD.

You can always chase the fuel and spark issue, and if hte plugs look good, and your fuel pressure isnt bottoming out down track, I would check the springs first....

good luck,,,,car looks great....ps,,i like the helmet as well...
Doug