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Old 11-06-2010, 06:30 PM
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most reliable battery to install in trunk

any recommendations what would be the best battery to install in the trunk of a 33 ford 3 window coupe,I have heard good & not so good things about optima & X S power. The smaller battery would fit better but I would like to do this right the first time Thanks Bob

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Old 11-06-2010, 07:32 PM
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I went though three Optima batteries in the trunk of my 34 Ford. All were replaced on warranty and all were less than two years old. The third seems to be hanging in as it has been in the car for going on two years. IMHO it's like anything, you get a good one and you will rave about it, get a bad one and you will curse it to the world. If you buy one make sure it is dated properly and you have a receipt. Also do not buy one mail order unless you do not mind sending it in for a warranty replacement.

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Old 11-06-2010, 08:56 PM
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That is one of those questions that really does not have a good answer, because it depends on the care, the charging system and the battery wiring. By wiring I mean a ground cable from the battery that attaches to the motor/bell housing.

I have found for myself, Napa, Sears Die hard, batteries price range 100 bucks round numbers, last 5 years no problem. The key to a battery's life is keeping a good charge and having a charging system that works, a one wire alternator is not going to hack it. Those beer can batteries do not have a very good reputation, once they discharge that seems to be it toast.

I drive my coupe most of the time every weekend as long as the temp is above 50. Have a plug mounted in front of the rear wheel so during the week I plug up a battery tender. I probably really do not need the tender cause I drive the hotrod regularly, however if the car sits for any length of time it is a good way to go, just my 2 cents.
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Old 11-07-2010, 10:26 AM
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Just to add to Pepi. The location of the battery has no bearing on the life of the battery as long as everything is working correctly.
The one thing that must be considered is the cable size from the battery to the engine.
On My project I used 2/0 welding cable for the hot and the ground for starting. With a separate #2 wire for the accessory feed. There is no voltage difference and the alternator can keep the battery at full charge.
I keep a battery tender on the battery at all times.
The Optima battery is 9 years old and going strong.

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Old 11-07-2010, 11:11 AM
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my thoughts on batteries, especially in snow country:

buy a cheap 500-600 cca (cold cranking amp) battery from autozone
nothing will last more than a couple of yrs in winter storage
keep the receipt for warranty

i bought an expensive gel cell battery early in my build
it didn't make it to my trucks maiden voyage

now my thoughts on trunk mounted batteries:

run a 2/0 cable to the starter and the frame
at the battery in the + cable install an old ford style starter solenoid in the starter cable
and hook it into your start circuit, this avoids having an un-fused cable running the length of your car
then off the + post also run a fusible link and a #10 wire to your fuse box

you cannot fuse a starter as it takes all the power from the battery to crank a cold motor
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Old 11-07-2010, 12:55 PM
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nix on the fusible link, use a maxi fuse instead
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