need a 8-volt battery
Fleet Mechanic
Joined: Jun 2004
Posts: 1,788
Likes: 47
From: Minnesota
Senior User
Joined: May 2005
Posts: 124
Likes: 0
From: Washougal, Washington
I've gone that route, years ago, and would advise against it.
Your radio may blow out, your gauges won't work right, all your light bulbs will burn out faster...
Assuming your intention is to get better cranking, you'd be way ahead to get your starter rebuilt and new battery cables.
Don't know what you're driving; if it's a high compression engine you might want to investigate the 6/12 systems with a relay that runs the starter at 12v and everything else at 6v.
--van
Your radio may blow out, your gauges won't work right, all your light bulbs will burn out faster...
Assuming your intention is to get better cranking, you'd be way ahead to get your starter rebuilt and new battery cables.
Don't know what you're driving; if it's a high compression engine you might want to investigate the 6/12 systems with a relay that runs the starter at 12v and everything else at 6v.
--van
Elder User
Joined: Aug 2003
Posts: 561
Likes: 0
From: Minneapolis
With the 8 Volt battery, you may be compensating for a problem that you could easily fix. Clean connections with short, fat (0 gage) cables will make a big difference.
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Junior User
Joined: Aug 2002
Posts: 91
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Hey guys
My truck is a flat head v-8,I put all new battery cables on,and cleaned every connection to the starter,and battery,it just turns over slow,and I thought a 8 volt battery would be the way to go!
My truck is a flat head v-8,I put all new battery cables on,and cleaned every connection to the starter,and battery,it just turns over slow,and I thought a 8 volt battery would be the way to go!
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Lead Driver
Joined: Apr 2002
Posts: 8,813
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From: Littleton, New Hampshire
I had a 52 Pontiac straight eight years ago with the same problem...especially when it was hot. The 8V battery solved the problem and I never had any electrical gremlins either. 
Vern
Vern
Last edited by GreatNorthWoods; Jun 7, 2006 at 07:45 AM.
Elder User
Joined: Jul 2004
Posts: 825
Likes: 3
From: Michigan
Originally Posted by redchief344
...I got mine at the local "Interstate Battery" distributor. They stock 'em for forklifts. Fits the F-1 batterry box perfectly.
Fred
Logistics Pro
Joined: Mar 2005
Posts: 3,771
Likes: 80
From: tujunga, calif
I ran an 8volt in an old 49 Cadillac that had starting problems when cold, but ok when warm or hot (anyone have a quess, it took me forever to find the problem) never had any problem with any of the electrical, most 6volt systems are designed to take 8volts, and 12volts are designed to take 14
How do you plan on charging the 8 volt
