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					Originally Posted by Gaz64  I would phase the rotor to fire closer to the leading edge.
 Your fuel system sounds capable enough, what fuel filter are you using?
 
 How about fitting a wideband O2 gauge to monitor A/F ratio?
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 I can adjust the phasing more, no problem.
I have a Holley Billet 100 micron pre-filter and 40 micron post-filter by the tank.  This feeds up to the Holley billet 12-841 bypass regulator.   One output on the regulator goes to the carb, the other output goes to the return line to the tank.
I actually have an WBO2 sensor and gauge on its way from Amazon to install.  I have the bung already in the pipe from when I had the EFI system.
Oh, I also don't think it is the coil giving out at high RPM.  New MSD 5527.