How do I know the highest safe charging voltage for my vehicle?

Jonnyswboy Regular
Jun 28, 2019
Going to be running a Salt-8 at 0.5 ohm on a 390A Singer and 80AH LTO. I don't want to see above 15.5v for the sake of the amplifier. I have no idea the highest safe voltage for my vehicle though. It's a 2010 Mazda 6 2.5L and stock it charges 14.2 on a very good day. Usually around 13.6v.

So I was thinking about asking Singer for ~15.2v regulator. Would that be safe for my car? What is the highest it could potentially spike to?

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