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Hey guys (and any gals), I have a 1971 Ford 302 in my 1968 Mustang (for background information), I have replaced ALL ignition components with MSD products. I have also put in a nice Retro-Sound stereo and LED tail lights along with upgraded headlights... my question IS: At idle, my battery voltage is 12.6v and with all lights on its 12.3v... is that too low? When I rev the engine above say 1,700RPM it comes up to 13v but at idle and in gear, its the 12.3v. I've had the battery tested, it holds charge. Should I replace the alternator with a higher output to compensate my MSD setup??? New Voltage regulator? Both? ANY input is requested and GREATLY appreciated!!!! -Thanks!