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larger battery in wrx?
Subaru Subaru vehicles (alt.autos.subaru)
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#11
 
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Re: larger battery in wrx? -
01-02-2007
, 12:21 PM
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"dr.benway" <dr.benway (AT) ziplip (DOT) com> wrote in message news:4598ba1b$0$4932$4c368faf (AT) roadrunner (DOT) com... I put in a Bosch battery with 640CCa. It was virtually the same size.. "peter" <nospam (AT) nospam (DOT) com> wrote in message news:ES1mh.502$Am5.253 (AT) trndny03 (DOT) .. The battery in my 2002 wrx is getting weak; the starter sometimes crank slow on cold mornings. I think I contributed to the battery's weakness by accidentally leaving the dome light on overnight once in a while. Anyway, I believe the battery is size "group 35". Has anyone managed to put a larger battery in the car with minimum or no modification? If so, what size battery? In case you wonder, larger one seems more cost effective. "CCA" or cold cranking amps DON'T MEAN SHIT!!!! Unless you are starting a BIG diesel in 0 degree weather it's a stupid rating. You want a battery with a large "Reserve" or "Amp-hour" rating. This means you can leave lights on, radio for a while and still start the engine. If the battery doesn't have that info on it DO NOT BUY IT! |
#12
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"y_p_w" <y_p_w (AT) hotmail (DOT) com> wrote in message news:VKjmh.6331$yx6.447 (AT) newsread2 (DOT) news.pas.earthlink.net... Some people living in hot climates seem to prefer batteries that can be topped off, after the inevitable evaporation. One comment from someone in Florida was that a "maintenance- free" battery probably wouldn't last longer than 2 years due to evaporation. I thought the whole idea of maintenance free battery is that they somehow don't evaporate. Are you saying manufacturers could just seal their batteries and call them maintenance free? |
battery that's perfectly sealed and doesn't outgas.
It could explode if overcharged, especially in hot
climates. I believe "maintenance-free" batteries
have lower water loss than "low maintenance" types.
I've edited answer #5 for the stuff of heat.
<http://www.exide.com/products/trans/na/battery_care/battery_iq.pdf>
Answer true or false and check your answers at the end of the quiz.
* Once a maintenance-free battery is installed, you
never need to pay attention to it again.
5. False. Keep in mind too, that the term “maintenance-
free” applies to normal operating conditions. In extreme
high heat, and other conditions, you may need to add
water to the battery. Exide batteries are maintenance-
free and maintenance accessible allowing you to check
and/or add water, if required.
#13
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"y_p_w" <y_p_w (AT) hotmail (DOT) com> wrote in message news:VKjmh.6331$yx6.447 (AT) newsread2 (DOT) news.pas.earthlink.net... Some people living in hot climates seem to prefer batteries that can be topped off, after the inevitable evaporation. One comment from someone in Florida was that a "maintenance- free" battery probably wouldn't last longer than 2 years due to evaporation. Are you saying manufacturers could just seal their batteries and call them maintenance free? |
religiously, top it off as needed and hope to get no fewer than 8 years
of service out of it if I end up keeping the car that long.
Changing tires every two years is okay by me, battery on the other
hand should last forever if properly pampered.
I think there is a section in the owners manual that calls for
the battery fluid level check. So whoever skimps on that: it's their
loss
really. It's not like they haven't been informed by FHI.
#14
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peter wrote: "y_p_w" <y_p_w (AT) hotmail (DOT) com> wrote in message news:VKjmh.6331$yx6.447 (AT) newsread2 (DOT) news.pas.earthlink.net... Some people living in hot climates seem to prefer batteries that can be topped off, after the inevitable evaporation. One comment from someone in Florida was that a "maintenance- free" battery probably wouldn't last longer than 2 years due to evaporation. Are you saying manufacturers could just seal their batteries and call them maintenance free? You got it. I plan to watch the acid levels in the oem battery religiously, top it off as needed and hope to get no fewer than 8 years of service out of it if I end up keeping the car that long. Changing tires every two years is okay by me, battery on the other hand should last forever if properly pampered. I think there is a section in the owners manual that calls for the battery fluid level check. So whoever skimps on that: it's their loss really. It's not like they haven't been informed by FHI. |
eventually shed and capacity will be reduced. Still -
water loss can happen even in maintenance-free batteries.
BTW - I did enough reading to note that most "maintenance
free" lead-acid batteries use lead-calcium plates, while
"low maintenance" batteries typically use lead-antimony
plates. The material in maintenance free batteries is
supposed to reduce evaporation, but at least low
maintenance batteries can be restored by simply adding
water.
#15
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You got it. I plan to watch the acid levels in the oem battery religiously, top it off as needed and hope to get no fewer than 8 years of service out of it if I end up keeping the car that long. |
Many years ago, it was possible to expect that kind of life out of a
"premium" battery (early Sears Die-Hards often lasted incredible amounts
of time--I got almost 10 yrs out of one), but with today's batteries, it
seems five years is about the best I can get. I live where it gets
rather hot during the summer, and, even keeping the fluid levels
"perfect," the battery suffers. Then one cold morning, it's pretty much
a goner. And, to tell the truth, batteries sold as "hot weather"
batteries haven't done any better than "regular" ones IME. So I think
your climate will have a major effect on the overall life... with heat
being a bigger enemy than cold.
Rick
#16
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it and every time our tame mechanic tells me it's fine. So far he's > right. |
Where do you find one of those? Most mechanics I know are a bit wild...
Sorry, couldn't resist the typo!
Rick
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