amdforever2
Golden Member
My Thunderbird battery died so I put one from a Ford Probe in. The Probe battery is noticably smaller, but appears to work alright.
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NECRO MOVED FROM OT: Any harm in putting a smaller battery in a car?
- Thread starter amdforever2
- Start date
thedarkwolf
Diamond Member
Aslong as it can start the car and isn't flopping around in there no. You may run into a problem in the winter if you got a big v8 and the probe had a 4 banger but I doubt it. I know a lot of people with 4 bangers running lawnmower batterys to free up some space and they don't have any problems starting their cars even in the winter. They just have less of a reserve if something does go wrong.
amdforever2
Golden Member
Can it mess up the alternator?
Like alternator having the recharge the battery more because each start drains the small battery more than it would a large one?
Can the alternator, designed to recharge a certain size battery, kill a smaller one by overcharging it or anything?
Like alternator having the recharge the battery more because each start drains the small battery more than it would a large one?
Can the alternator, designed to recharge a certain size battery, kill a smaller one by overcharging it or anything?
Demon-Xanth
Lifer
Actually, it's usually for weight reduction. Though sometimes they might do it to give more room for turbo and intake plumbing.
There is no problem as long as the battery is held down and isn't flopping around. As long as the terminals match up and (this is a big one), it starts your car ok. Some smaller batteries just don't have enough "juice" to turn over the bigger engines properly. You put added wear and tear on your starter if you have to crank it and it might leave you stranded in the cold.
I say if it fits fine, connects fine and starts the car fine, go with it.
Sal
I say if it fits fine, connects fine and starts the car fine, go with it.
Sal
From what I know any time an alternator goes it takes the battery with it. If you had the same battery through the two alternators that went bad most likely when the first alternator died it damaged the battery which in turn helped kill the second alternator. New battery, new alternator and everything is ok. The couple of times I've had alternator problems I've always replaced the battery because more often than not the battery is messed up.
Pepsi90919
Lifer
come on, everyone knows that GM's eat alternators like nobody's business 🙂
thedarkwolf
Diamond Member
Bingo. I may have to do it too when I install an intercooler on the caravan.
Stopsignhank
Platinum Member
I just looked at the title of this and new it was a necro.
Red Squirrel
No Lifer
How's that battery running so far? I guess 15 years would be a good way to know if there's any harm in doing it. 😛
BoomerD
No Lifer
A fully charged 12 volt battery should be at 12.6 volts or slightly above. Your charging system should charge at 13.5 to about 14.7 volts.
(and this thread should be moved to The Garage)
Skunk-Works
Senior member
Can a small car battery power a vibrator? She likes it rough.
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