Kia Optima FE
Observed 2016–2020 (US EPA) · observed model years, not a production range
- Overcharging problem
For B Bodies Only · siroadrnr · 9 Nov 2026
Hey!, Im not good at electrical problems, so Im seeking advice...My charging system seems to have been working properly until just this past weekend. I was driving my 70 Roadrunner home from a show/cruise, the ammeter was showing a high charging condition, but was jumping around wildly. I have a Holley Sniper, and the screen showed over 16 volts, jumping as well, to 17, a few spikes to 18....I was getting nervous that the Optima battery would burst. Other than blaming the voltage regulator... Read more
- 90 Minute Battery Reserve
CorvetteForum · polo91 · 30 Sep 2026
I'm still getting acquainted with my 04 C5. The Optima Red Top battery has a 90 minute reserve, so in real life how long can it sit before it won't start with the parasitic draw? The car has no...
- 12v winch on a 24v system...ideas?
IH8MUD · MFulk75 · 26 Sep 2026
I've recently gotten the HJ60 that I've always wanted, so I'm now having to figure out all the 24v ins and outs of upgrades. I had gotten a great deal on a Warn 10s winch for a previous build that never happened, but now I've got this truck to build. I've looked into getting the parts to covert the 10s to 24v, but that ends up being around $800 in parts apparently. The easiest solution I can find is to run a 12v battery in the cargo area and from what I've read, a Optima Yellow Top... Read more