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| | | | Joined: Feb 2001 Posts: 4,095 'Bolter | | 'Bolter Joined: Feb 2001 Posts: 4,095 | I saw a you tube video where a guy to start his 6volt Packard using a 12volt jump box to start the car. Will this harm anything?
Ron, The Computer Greek I love therefore I am.1954 3100 Chevy truckIn the Gallery 2017 Buick Encore See more pix1960 MGA Roadster Sold 7/18/2017
| | | | | Joined: Oct 2016 Posts: 496 Shop Shark | | Shop Shark Joined: Oct 2016 Posts: 496 | WELL...... A 6v chevy starter loves a 12v system.... According to Patricks.
1950 SUBURBAN / SCHOOL BUS A.K.A "THE SCHOOL RUST"
| | | | | Joined: Apr 2005 Posts: 7,441 Bolter | | Bolter Joined: Apr 2005 Posts: 7,441 | Ron, it's done all the time. Jump starting a 6 volt with a 12 volt. Just don't leave the 12 volt hooked up more the a few seconds. It might go boom!💥 The 6 volt battery that is. The starter doesn't care but the battery does.
ðŸ›
Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
‘39 Dodge Business Coupe (Clarence)
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| | | | | Joined: Feb 2001 Posts: 4,095 'Bolter | | 'Bolter Joined: Feb 2001 Posts: 4,095 | I tried to find the youtube video. He did some rewiring and bypass of some wiring because he kept it wired all the time for cold starts. Thanks.
Ron, The Computer Greek I love therefore I am.1954 3100 Chevy truckIn the Gallery 2017 Buick Encore See more pix1960 MGA Roadster Sold 7/18/2017
| | | | | Joined: Dec 2016 Posts: 80 'Bolter | | 'Bolter Joined: Dec 2016 Posts: 80 | I like to compare electrical voltage to water pressure. Most electrical devices are made to handle 20% above or below spec. A 6 volt starter will take the added pressure of a 12 volt battery, just don't crank it for a extended period of time! If you keep doing it, eventually it will not survive the added voltage.
1959 3204 Basic Cab
| | | | | Joined: Jan 2016 Posts: 631 'Bolter | | 'Bolter Joined: Jan 2016 Posts: 631 | I like to compare electrical voltage to water pressure. Most electrical devices are made to handle 20% above or below spec. A 6 volt starter will take the added pressure of a 12 volt battery, just don't crank it for a extended period of time! If you keep doing it, eventually it will not survive the added voltage. Think most here will say With 12 v applied the current flow ( amps) will be half that of the 6 volt .........so the starter will be just fine if not better off with 12 volts. | | | | | Joined: Feb 2004 Posts: 29,876 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,876 | Think most here will say With 12 v applied the current flow ( amps) will be half that of the 6 volt Did somebody repeal Ohm's law? Jerry
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| | | | | Joined: Jan 2016 Posts: 631 'Bolter | | 'Bolter Joined: Jan 2016 Posts: 631 |
Did somebody repeal Ohm's law?
Jerry
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Yes........ I was thinking volt x amp = watts.........not thinking the motor winding resistance did not change...........but the starter will still be happy at 12 volts.
Last edited by Rusty Rod; 06/19/2017 1:21 AM.
| | | | | Joined: Mar 2010 Posts: 10,308 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,308 | If your engine doesn't start right away with a 6 volt battery fed by a 12 volt battery, you have another issue which needs attention. That starter turns the engine over extremely fast.
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
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