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#1429574 Mon Nov 08 2021 11:01 PM
Joined: Jun 2010
Posts: 165
D
'Bolter
Just an FYI for folks who might need a new 6 volt battery. I got one today off the shelf at Farm and Fleet. It was in stock and on the regular rack with all the other self-serve batteries. I was surprised I didn't have to ask special for it. They had over ten 6 volt on the shelves. It was $64.00 +tax for a 350 ampere battery. We'll see how long it lasts. My last regular lead acid just gave up the ghost after 8 years (it was 400 ampere).

Daves46pu #1438481 Sun Jan 23 2022 10:32 PM
Joined: Feb 2021
Posts: 103
J
'Bolter
I was wondering how the Farm & Fleet 6v battery is working out. I also bought mine from F&F. After a trickle charge is complete, engine cranks quite well, fires up and runs. I get the engine up to operating temp and then shut it down. It will not restart. The engine cranks way too slow. I have to wait till the next day to fire it up again after a charge. The grounding strap ends and frame were cleaned. There are no lights hooked up at this time.

There is:
Rebuilt generator. Generator belt is good and snug.
New voltage regulator.
New 00 gauge negative battery terminal wire.
Amp gauge that moves just slightly to the charge side if at all. Never see it go to discharge side.

Truck has never been roadworthy since I owned. I'm still restoring. I only fire it up now and then. The Optima batteries are high dollar. Not sure if I would be wasting my money.

Unrelated: If fuel gauge goes to full, might the sending unit be bad? I hooked up a wire to the neg. battery terminal and with the other end, contacted each of the wire points at the sending unit. This made no difference and not sure my method was even valid.


54 Chevy 3100 Deluxe 3 speed on column. Keeping original as possible but changed to 12 volt system.
JB Weld..."I put that sh*t on everything"
JoeDude #1438485 Sun Jan 23 2022 10:51 PM
Joined: Apr 2020
Posts: 183
T
Professional procrastinator
JoeDude, try going to a 1/0 power wire to starter.


1947.2 GMC 1/2T panel
1947.2 GMC 1/2T long bed
1948 GMC 1/2T pick-up

Daves46pu #1438486 Sun Jan 23 2022 10:54 PM
Joined: Nov 1995
Posts: 5,734
J
Unrepentant VW Lover
FWIW -- I am *very* pleased with my Optima 6V. Has yet to let me down and I think it is about 6 years old now.

It was expensive, but I believe it was worth it.


John

"If there are no dogs in Heaven, then when I die I want to go where they went."
Will Rogers

'49 Chevrolet 3804
'73 IH 1310 Dump
'14 Ford E-350 4x4 (Quigley)




Daves46pu #1438489 Sun Jan 23 2022 11:04 PM
Joined: Sep 2001
Posts: 31,717
Bubba - Curmudgeon
My first 6v Optima was bought in 2007 - it is still in my 1954 Chevrolet Suburban.

Keep it charged.
Get a good 6v AGM battery charger/maintainer.

I have been told that if you let it sit, it discharges - it could be hard to revive.

$185 including shipping from dailysteals.com - $225 from most vendors.


Tim
1954Advance-Design.com [1954advance-design.com]
1954 3106 Carryall Suburban [stovebolt.com] - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic [1954advance-design.com] - part of the family for 15 years
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engines are not "splash oilers" - this is a splash oiler. [chevy.oldcarmanualproject.com]
JoeDude #1438492 Sun Jan 23 2022 11:25 PM
Joined: Mar 2010
Posts: 10,377
5
'Bolter
Originally Posted by JoeDude
I was wondering how the Farm & Fleet 6v battery is working out. I also bought mine from F&F. After a trickle charge is complete, engine cranks quite well, fires up and runs. I get the engine up to operating temp and then shut it down. It will not restart. The engine cranks way too slow. I have to wait till the next day to fire it up again after a charge. The grounding strap ends and frame were cleaned. There are no lights hooked up at this time.

There is:
Rebuilt generator. Generator belt is good and snug.
New voltage regulator.
New 00 gauge negative battery terminal wire.
Amp gauge that moves just slightly to the charge side if at all. Never see it go to discharge side.

Truck has never been roadworthy since I owned. I'm still restoring. I only fire it up now and then. The Optima batteries are high dollar. Not sure if I would be wasting my money.

Unrelated: If fuel gauge goes to full, might the sending unit be bad? I hooked up a wire to the neg. battery terminal and with the other end, contacted each of the wire points at the sending unit. This made no difference and not sure my method was even valid.
Sounds like you have a problem other than the battery.
What is the battery post voltage after a failed start?
What is that voltage just prior to a successful start?
What is that voltage once the engine starts? (This will you know if your charging system is working.)

Daves46pu #1438621 Mon Jan 24 2022 09:08 PM
Joined: Aug 2005
Posts: 9,523
T
Ex Hall Monitor
IF the cables are properly sized and all connections clean it sounds like a starter issue to me. FWIW you don't need an optima but having one doesn't hurt. I had a optima and got about eight years years out of it. It took a dump on a club tour one year and no one had an optima in stock so I went with an off the shelf from O'Reilly and it lasted about 8 years. Pull your starter and have it tested.


Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
Daves46pu #1438629 Mon Jan 24 2022 10:10 PM
Joined: Feb 2004
Posts: 25,647
H
Kettle Custodian (pot stirrer)
Will the warmed up engine crank if you use a 12V boost? It sounds like something might be binding up inside the engine like pistons fitted too closely the the cylinders. Is the engine freshly rebuilt, or does it have some miles on it?


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!"
Abraham Lincoln

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

There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.
Ernest Hemingway

Love your enemies and drive 'em nuts!
JoeDude #1438642 Tue Jan 25 2022 12:19 AM
Joined: Jul 2008
Posts: 1,534
H
'Bolter
[quoteUnrelated: If fuel gauge goes to full, might the sending unit be bad? I hooked up a wire to the neg. battery terminal and with the other end, contacted each of the wire points at the sending unit. This made no difference and not sure my method was even valid.][/quote]
Joe,
See if these articles will help you.
Harold

Attached Images
Fuel Gauge Testing (2).docx (15.95 KB, 4 downloads)
SHA1: 0fa3761c41b24f663c266187316c01e4c8fbde3b
Fuel Gauge Testing (3).docx (15.14 KB, 1 downloads)
SHA1: a92acef370a2ccbdbb9450a814b151f0143f10cd
Fuel Gauge Testing 1.docx (16.57 KB, 0 downloads)
SHA1: 83bc88038e4034d743ff7306bca2bff373e92eab

Harold
Is a restoration ever finished?
Daves46pu #1438703 Tue Jan 25 2022 02:32 PM
Joined: Oct 2021
Posts: 1,557
O
'Bolter
What gauge cables are you using? 6v systems require the heaviest cables you can buy - 1 gauge or 00 gauge starter cable.

I had a similar problem with my '56 Cadillac some years back. It would not turn over after a drive. It required an hour or so before the starter would work normally. It turned out the be a weak starter. It's worked perfectly after the rebuild for the last 18 years.


1939 Packard Standard Eight Coupe (The Phantom)
1950 Chevrolet 3100 (Ol' Roy)
1956 Cadillac Coupe de Ville (The Bismarck)
1966 Oldsmobile Toronado (The Purple Knif)
1966 Ford Mustang (Little Red)
1964 Ford Galaxie 500 coupe
1979 Ford F-100
1976 Ford F-150 (Big Red)
1995 Ford F-150 (Newt)
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