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Old 05-18-2008, 06:20 PM
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battery size

HI
I've been working all winter converting my car from a 4 cyl stick to 350-350 everythings done except wiring which I'm working on now. The battery the car has is small 9x3x8 and only 495 cca. I'm wondering if that is enough for my new setup? The battery is under the trunk floor and the box can't be any larger because of frame crossmembers,and I would like to keep it there. I don't have air or heat or any extra big draws on the elec syestem and have 100 amp alternator

Whoops size is 9X51/2X8

Last edited by yragat; 05-19-2008 at 12:26 PM. Reason: wrong dimentions
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Old 05-19-2008, 02:50 PM
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Quote:
Originally Posted by yragat
HI
I've been working all winter converting my car from a 4 cyl stick to 350-350 everythings done except wiring which I'm working on now. The battery the car has is small 9x3x8 and only 495 cca. I'm wondering if that is enough for my new setup? The battery is under the trunk floor and the box can't be any larger because of frame crossmembers,and I would like to keep it there. I don't have air or heat or any extra big draws on the elec syestem and have 100 amp alternator

Whoops size is 9X51/2X8
I'm having a look here as you requested in your other "Cranking Amps" thread.
IMHO, 495 CCA should be adequate for warm-weather starting.

As I mentioned in that other thread, batteries are assigned a BCI Group number that specifies the dimensions an post layouts.

Several battery manufacturers and/or retailers may have various (good, better, best) quality choices within that BCI group.
The "top of the line" product offering usually has a higher CCA rating as well as a longer warranty period.

So ... what BCI group battery do you have?
Once you have determined that ... you can call your favorite parts store and ask what other (higher amp) offerings are available to you.
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Old 05-19-2008, 04:14 PM
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Mine is a sears di-hard,they are supposed to be good??
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Old 05-19-2008, 05:20 PM
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There are really only about 3 actual north-american battery mfr's ... everyone else, including Sears just re-labels them.

There are, I am sure, varying levels of "quality" that are spec'd by the retailers. As a general rule, you can make some assumptions about how "good" they are by the warranty plans offered.

-----------------------------------------------------------------
Also be aware that most batteries have 2 different kinds of warranty.
If the label says "12/60" under warranty ... that means a "free replacement" period of 12 months. After that period of time expires, the "pro-rata" warranty period "kicks in" ... and it equates to you paying for the portion of time that you had the use of the battery ... starting from the DATE OF SALE, and calculated at the MSRP.

It is usually calculated like this (assuming $ 100.00 battery with a 60 month prorata warranty):
(Months Used / 60 ) x MSRP = what you pay.
So lets say that the battery crapped out at 16 months...

(16 / 60) x 100 = Your cost
0.2666 x 100 = $26.60

or at 48 months ...
(48/60) x 100 = $80.00

What ???
You say you only paid $79.95 for the battery to begin with!!!

Keep in mind that the warranty is based on MSRP, not what you may have actually paid for it, and that (as I said earlier) pro-rata is based from the date of sale. Yes ... the warranty is definitely designed to be "in their favor"

It is also important, when buying a battery ... to look at the date of manufacture which is often hot-stamped into the case, or on a sticker on the side of the case. These dates are often "coded" as well ... usually a letter which designates the month, and a numeral which designates the year. (i.e "E8" might designate May 2008) Buying from a high-volume parts store will usually get you a "fresher" battery than one sitting in a repair shop.
Keep the receipt in the glove box. If you don't have a receipt, you may not get ANY warranty. IF they feel like giving you a break ... they will use the date stamp as the starting point.
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Old 05-19-2008, 05:28 PM
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Hi,
That battery will be fine here during the
warmer months, but may let you down this winter.
Take care,
Rich
http://www.speedace.info/car_batteries.htm
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Old 05-19-2008, 05:39 PM
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My dads '72 C10 pickup has an 8.5:1 350 engine, and it has a 350 CCA battery, somthing like 450 CA. it has no issue even in the winter, tho I do belive it is too small, it does prove adaquate for the truck. My rambler with an 8.7:1 196cyl has a 630 CCA battery, I normally do go bigger than needed
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Old 05-19-2008, 05:55 PM
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It has a sticker that says B2??

looking at the size chart I think it might be a 22NF

Last edited by yragat; 05-19-2008 at 06:00 PM. Reason: size
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Old 05-19-2008, 07:25 PM
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"B2" = Feb 2002?

Nothing on the sticker that indicates the "BCI"?
Or no kind of "model" number that contains that "22NF"?

As I and others have said, as long as the battery is still putting out a decent amount of amps (you can get that tested ... usually for free) it will likely be adequate for warm weather starting. If not, you'll have a pretty good idea what you need to replace it with.
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Old 05-19-2008, 07:55 PM
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yragat,

If want a no compromise (albeit rather pricey) high amp battery that'll drop right in, look no further than this: http://www.kinetikaudio.com/hc1400.asp

Yes it's for the car audio crowd, but they're an awesome battery. They are the AGM plate type. Mount it upside down if you want to. I run the 1800 in my rod.

It will start a C-15 Caterpillar I-6. I've done it.
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Old 05-19-2008, 09:03 PM
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WOW that is pricey,but it would fit. Anywhere where there is something comprable,but not so much $$$.I'm on SS and can't afford that one
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Old 05-19-2008, 09:14 PM
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Exide makes an AGM battery, too ... but not that many amps.
They're cool ... granted ... but more than you need, IMHO.
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Old 05-19-2008, 09:16 PM
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whats AGM stand for?
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Old 05-19-2008, 09:32 PM
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AGM (Absorption Glass Mat) sealed battery technology was originally developed in 1985 for military aircraft where power, weight, safety, and reliability were important.

AGM battery technology has continued to develop and offer improvements over other sealed battery technologies. It has become the next step in the evolution of both starting and deep cycle sealed batteries for marine, RV, and aviation applications. This "next generation" technology delivers increased safety, performance, and service life over all other existing sealed battery types, including gel.

In AGM sealed batteries, the acid is absorbed between the plates and immobilized by a very fine fiberglass mat. No silica gel is necessary. This glass mat absorbs and immobilizes the acid while still keeping the acid available to the plates. This allows a fast reaction between acid and plate material.

The AGM battery has an extremely low internal electrical resistance. This, combined with faster acid migration, allows the AGM batteries to deliver and absorb higher rates of amperage than other sealed batteries during discharging and charging. In addition, AGM technology batteries can be charged at normal lead-acid regulated charging voltages, therefore, it is not necessary to recalibrate charging systems or purchase special chargers
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Old 05-19-2008, 09:34 PM
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Thank you,very infomative
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Old 05-19-2008, 09:36 PM
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Quote:
Originally Posted by yragat
whats AGM stand for?
Absorbent Glass Mat

Select Orbital STARTING battery

Exide also makes a higher-amp Orbital XCD DEEP CYCLE battery which they claim is good as an auxilary battery for audio components.

It is important to note that DEEP CYCLE batteries are engineered differently than STARTING batteries ...
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