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07-22-2020, 10:10 AM | #1 |
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Join Date: Aug 2016
Location: Alberta
Posts: 930
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How common a practice is this?.
I saw a model A for sale the other day and in the description it stated, "has 8 volt battery to spin it over faster". I never thought of that before, but, then again, I'm quite content with the 6V. I doubt that an 8V battery would cause any issues with the rest of the systems, IE lights, horn, generator, ignition system ETC. Anyone else running an 8V battery in their 6V system?. I'm not interested in doing it, just interested in the concept.
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07-22-2020, 10:16 AM | #2 |
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Location: Red Deer, Alberta
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Re: How common a practice is this?.
8 volt battery is a band-aid fix for slow cranking, instead of fixing the problem. It was done a fair bit "back in the day".
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07-22-2020, 10:18 AM | #3 |
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Join Date: Feb 2015
Location: Quakertown, PA
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Re: How common a practice is this?.
Years ago I bought a 30 PU with and 8 volt battery. Could not keep lamps lit,, filaments always burned out. Change battery to 6 volt.
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07-22-2020, 11:13 AM | #4 |
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Join Date: Jun 2019
Posts: 131
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Re: How common a practice is this?.
Father had a 50 model Ford, one 6 volt light, one 12 volt headlight, 8 volt battery, could always spot him at night.
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07-22-2020, 11:47 AM | #5 |
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Location: Richmond, VA
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Re: How common a practice is this?.
Years ago when my Father had a '53 Chevrolet that turned over very slowly even after the installation of a new starter, the mechanic installed an 8 volt battery that helped a bit. Some time later when the timing gear was replaced, the slow turning over problem went away. Later, a 6 volt battery was installed and all was fine.
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07-22-2020, 12:09 PM | #6 |
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Re: How common a practice is this?.
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07-22-2020, 12:22 PM | #7 |
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Location: Austin, Texas
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Re: How common a practice is this?.
Had one years ago. Couldn't keep light bulbs in it.
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07-22-2020, 12:24 PM | #8 |
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Location: Land of Lincoln
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Re: How common a practice is this?.
My A came with a 8 volt battery gm generator and the battery was always dead. How do you charge an 8 volt battery with 6/12 volt charge, I charged 3 cells on 6 volts then the last cell with 2 cells already charged. It was good thing I was young because I was push starting the car a lot, had to do what I could so I could drive it! The good old days !
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07-22-2020, 12:57 PM | #9 |
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Join Date: May 2010
Location: Largo Florida
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Re: How common a practice is this?.
As said, 8v were kinda common bandaids in the day. Those batteries tried to take the place of poor worn starters and bad grounds. 6v lights do not like 8v batteries, neither do 12v lights for that matter.
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07-22-2020, 12:58 PM | #10 |
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Join Date: Jun 2017
Location: Walla Walla, WA
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Re: How common a practice is this?.
People always want to reinvent the Model A to "make it better". My opinion: Those extra two volts don't get you much other than shorter light bulb life.
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07-22-2020, 08:12 PM | #11 |
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Location: Camarillo, CA and Pine Grove, CA
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Re: How common a practice is this?.
I once had a battery that was both 6v and 12v. It had a solenoid that supplied 12 volts to the starter and the rest of the car was 6v.
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07-22-2020, 09:12 PM | #12 |
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Location: Portland OR
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Re: How common a practice is this?.
Back in the day, that would be today still. Not that uncommon on 6 volt cars, trucks and tractors. Most that come here asking get pointed in the right direction, but for every one that does, how many don't and put one in?
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07-22-2020, 10:33 PM | #13 |
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Join Date: Dec 2019
Posts: 1,196
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Re: How common a practice is this?.
8v? no 12v? yes..modern fuse protected relay controlled circuits? yes.
Does it 'improve' the stock A? something shorts on this system a fuse blows..something shorts on the stock A the wiring burns.. |
07-23-2020, 09:52 AM | #14 |
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Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,431
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Re: How common a practice is this?.
As long as you know what the circuits are. The next owner will scratch his head a lot unless there is a diagram.
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07-23-2020, 01:40 PM | #15 |
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Re: How common a practice is this?.
Thats the thing about building to suit yourself,resale isn't a factor
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07-23-2020, 02:05 PM | #16 |
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Join Date: May 2010
Posts: 2,597
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Re: How common a practice is this?.
Photo 13:
That wire job looks logical, well done and neat! In 1964 I bought a 34 Chevy PU which was re-wired without using a wire loom! The Kicker was every wire was same gauge AND all were BLUE in color!! None of the wires were bundled together. Luckily the guy who bought it did not look under the dash! I sold it to a used car salesman who lived up to the reputation of a used car salesman in every way. Last edited by Benson; 07-23-2020 at 02:12 PM. |
07-23-2020, 02:27 PM | #17 | |
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Re: How common a practice is this?.
Quote:
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07-24-2020, 01:24 PM | #18 | |
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Join Date: May 2010
Location: Largo Florida
Posts: 7,225
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Re: How common a practice is this?.
Quote:
Not all makers have/had color coded wires. Some had tracers, others [ International] had numbers. Try finding the number on a 10 year old wire while you're standing on your head looking under a dash. |
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07-24-2020, 05:20 PM | #19 |
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Posts: 1,196
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Re: How common a practice is this?.
Its easy to troubleshoot without harness marking,each fuse protects a high amperage function,while one five amp fuse protects the milliamp control circuit to run the relays.The light switches,brake light switch and horn button only see the 150 milliamps it takes to operate the relay,which bears the load of the component,relays are overrated by a factor of 2,switches are way over.Have room for expansion for whatever..60a alternator.LED lamps pull very little load,conservatively have 40a available while night driving..
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07-24-2020, 08:25 AM | #20 |
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Join Date: May 2010
Location: Wilmington, OH/Lakeland, FL
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Re: How common a practice is this?.
A lot of Classic Car dealers will install 8V batteries to make certain the car would crank and start quicker. I purchased a real nice '40 Ford Conv. several years ago from a dealer and it had an 8V battery installed. Removed it when I got home in favor of a 6V battery. Better to fix the problem instead of installing an 8V battery.
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