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Another gas gauge question...
#801837 Tue Nov 29 2011 05:38 AM
Joined: Oct 2006
Posts: 339
B
Bill_B Offline OP
Shop Shark
I am replacing both gauges, tank sending unit, and dash gauge...6 volts..
Only a month ago, instead of purchasing a 6 volt battery, I opted for a 8 volt battery just because of the extra cranking power...Is it necessary to put a 2 volt drop resistor to protect the instruments ??? Thanks in advance...


1952 Chevy 3104 Shortbed 5-window
Remember; Politicians and diapers both need to be changed
often, and for the same reason.....
Re: Another gas gauge question...
Bill_B #801843 Tue Nov 29 2011 05:45 AM
Joined: Feb 2004
Posts: 20,608
H
Boltergeist
It would be better to throw the 8V battery as far as possible and fix the electrical system properly. You're headed for a heap of trouble. An 8V battery is a solution to a nonexistent problem.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Another gas gauge question...
Bill_B #802577 Thu Dec 01 2011 04:15 PM
Joined: Jan 2000
Posts: 124
F
Shop Shark
Jerry is 110 percent correct! You need to fix the problem and not treat the symptoms. If the 6 volt charging system you have now cannot keep a 6 volt battery fully charged there is no way it will ever keep an 8 volt battery fully charged. If you fix the 6 volt system it will work fine. Randy

Last edited by fifthave; Thu Dec 01 2011 04:16 PM.
Re: Another gas gauge question...
fifthave #802628 Thu Dec 01 2011 07:13 PM
Joined: Oct 2006
Posts: 339
B
Bill_B Offline OP
Shop Shark

I had no problem keeping the 6 volt battery charged, the charging system is fine...There is a mechanic locally, that suggested to go to an 8 volt battery for a little more cranking power, I listened, thus the 8 volt battery...I am going to replace battery with 6 volt again...Thanks Jerry


1952 Chevy 3104 Shortbed 5-window
Remember; Politicians and diapers both need to be changed
often, and for the same reason.....
Re: Another gas gauge question...
Bill_B #802962 Fri Dec 02 2011 10:06 PM
Joined: Feb 2004
Posts: 20,608
H
Boltergeist
The big problem with an 8 volt battery is the necessity to adjust the regulator output to 9.5 volts to keep it charged. That's rough on points, lights, and possibly the gas gauge. It's really impractical to put enough voltage-dropping stuff in place to get the extra voltage only to the starter. We used to deal with the same thing back in the mid-50's at Dad's shop when there were a lot of 6V cars on the road, and a local battery maker started selling their version of an 8V setup.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!

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