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Old 09-22-2014, 11:05 AM   #1 (permalink)
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Help on running a second deep cell battery

Quote:
The mod that drives me crazy but I need it for my turbo compound system
(for racing) is my Tilton 40-527 external oil pump. It doesn't help at all with FE and takes away FE from the extra load on the alternator. So I decided to add a secondary deep cell battery to run it most of the time and charge this battery at home and work. I pulled around 200lbs of weight off the car so the extra weight from the deep cell won't be to bad.
This is a post from another thread, What's your least efficient mod?


I need some help to build a system (secondary deep cell battery )that can be charge from my alternator sometimes in case of a "long distance commute", but most of the time "short commutes" it will be charged at work and home.
Electronics are my weak point so some advice would be great!!!

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Old 09-22-2014, 06:08 PM   #2 (permalink)
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Sounds like you need a wall charger and you alternator controlled on a switch. Other than that you just need a deep cell battery that fits under the hood or do a relocation to the trunk. Think there are a few threads on controlling alternator on a switch, I don't know how to do it but have seen posts about it.

Just double read your post and noticed you want to do a backup battery. Easiest way would be just run a deep cycle alone with no "regular" battery serving primatry duty.

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