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Factory original batteries |
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uncljohn
AMC Addicted Joined: Jan/03/2013 Location: Peoria AZ Status: Offline Points: 5394 |
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Optima batteries are not failure mode proof because they are sealed or any other configuration referred to as not needing water added. They are good, don't take it wrong but they do have a failure mode due to age.
Internal resistance will build up as a function of time. A reading of the battery will indicate fully charged, but when a heavy load such as trying to start the car is placed on them, the voltage at the terminals will drop well below the expected minimum of 8 volts used as a diagnostic for a good battery. When that happens ignition systems have a tendency to not work and the car won't start. It will crank fairly well but there is not enough voltage to run an electronic ignition. And unless you are measuring battery voltage at the time the cranking takes place, the battery will look as if there is not problem. This type of battery is used in many mobility scooters simply because it does not out gas as a medical concern and that is the typical failure mode. But in a mobility scooter, as a prime source for power it is placed in a high current environment normally. I have only seen it a couple of times in automobiles as it only checks bad while trying to start the car. |
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70 390 5spd Donohue
74 Hornet In restoration 76 Hornet, 5.7L Mercury Marine Power 80 Fuel Injected I6 Spirit 74 232 I-6, 4bbl, 270HL Isky Cam |
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iraceitall
AMC Apprentice Joined: Feb/12/2016 Location: Montana Status: Offline Points: 132 |
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Does anyone still sell the repro covers? I have a brand new battery, thought this would be a nice touch. I don't see them on AMARKs site...
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74 Matador X, P-code 4bbl 360
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ramblinrev
Moderator Group Joined: Dec/28/2008 Location: Wisconsin Status: Offline Points: 11539 |
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Nobody sells them new anymore. I'm thinking it was the licensing issue?
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74 Hornet Hatchback X twins (since 1977)
62 American Convertible (still worth the $50 I spent in 1973!) AMCRC #513, AMO #384 70 AMX 360 4-speed (since 1981) |
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sidewinder
Moderator Group Joined: Oct/07/2007 Location: Niagara Falls, Status: Offline Points: 6665 |
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Battery toppers are no longer available as stated above.....you basically have two choices here. Buy a basic black battery and add the battery top stickers sold by APD or Kennedy American maybe other vendors also. Or buy a reproduction battery which probably wouldn't be any more correct than the stickers because I don't think they repop a 74 style battery.
Chuck Page |
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Chuck Page ,AKA Sidewinder
1968 "BLACK CHERRY" Javelin Previous owner of 2013 Heritage Cup winner 1970 BBO AMX |
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Jezebel
AMC Fan Joined: Dec/03/2021 Location: Toronto Status: Offline Points: 18 |
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Hi I'm looking for a factory original battery for my 1965 Rambler American 440 in Canada. Does anyone have any suggestions on where to look?
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rockwreck
AMC Apprentice Joined: Nov/18/2009 Location: boston Status: Offline Points: 234 |
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Just had one of those ‘gel-cel’ recasted batteries go tits up on me.
Tried both Restoration Battery, and also Antique Auto Battery, and they are both among the missing. Only one I found that is doing a replacement gel-cel wrapped in an old skin is ‘Turbo Start Collector Series Batteries’ Jegs and Summit also sell them.
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Trader
AMC Addicted Joined: May/15/2018 Location: Ontario Status: Offline Points: 6882 |
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Have you tried these people:
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rockwreck
AMC Apprentice Joined: Nov/18/2009 Location: boston Status: Offline Points: 234 |
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Just got battery.
Beautifully built case. They don’t do AMC batteries, So I got a correct sized for AMX high amperage cranking power. Not correct, but in 68/69 who cared? If it fit and worked….. |
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mbwicz
Supporter of TheAMCForum Joined: Feb/20/2019 Location: Buffalo, NY Status: Offline Points: 1992 |
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I ordered a battery from Kennedy in September. We will see how this holds up. I don’t have the expertise to know how correct it is.
Mike |
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1970 AMX, one step forward, one step back. Both steps cost time and money.
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CamJam
Moderator Group Joined: Jan/04/2014 Location: Arizona Status: Offline Points: 6549 |
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My understanding is that they started phasing in the new logo on 1/1/70. Since 1970 was a transition year I think you can get away with it on your '70 AMX.
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'73 Javelin 360 (current project)
'72 Baja Bronze Javelin SST '69 Big Bad Orange AMX (2018 Teague Heritage Award) SOLD |
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