Optima battery

model A aol, I have Optimas in two other cars and they use Group 2 size 6 volt and that dummy box works well, however the Model A uses a Group 1 smaller dimensions. I did not believe that a group 2 will fit in the As battery tray, and the 6 volt Optima will not fit in a hollowed out Ford script battery box ?? Will it?
 
I like the cloaking device but it concerns me in regards to cooling. Won't this risk overheating the battery if its discharged a lot? Or is the "A"s stock system just too weak to pose a risk?
 
The group 2 does fit the A battery box,and fits it better than the group 1.Exact fit to the box and hold down.No extra room like the group 1 has.The next size up,like a golf cart battery won't fit though,or a 6 volt truck battery either.I had thought group 2 was a thing of the past,but I spotted them in the new Batteries Plus store a couple of years ago.The manager there said that once the old car guys got wind of them they started selling like hotcakes.I never saw the need for an optima,all of my 6 volt batteries are between 5-10 years old.No special care,no trickle chargers,nothing.I just make sure there is no drain while sitting.
 
I bought my optima rated @800 cca from NAPA and the hold down bracket from Snyder's. It fits the battery very neatly and is a good clean setup.

Chet
 
Best bolt-on upgrade to the Model A there is.
 

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Changed my regular lead acid battery recently after I noticed the old one was cranking a little slower. The old one lasted 8 years and the replacement was $78. I think I'll stick with the lead/acid.
 
Barry B./ Ma. said:
I think I'll stick with the lead/acid.
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That's totally cool. Some guys like to tinker and fuss over stuff. Also, acknowledge that the Model A car is a hobby to most guys here.

Speaking only for myself, the Model A car is NOT a hobby, it's a car we depend on. And, as an electrical/electronics engineer, I don't enjoy fussing over electrical stuff. Much prefer to fix it and be done with it. For like minded people, the Optima is the best upgrade to the Model A.
 
josh1331 said:
Need infor on this battery. Have to replace mine. What do I order model number, how will it fit in battery holder. What is required. Optima de oesnt show 6volt battery. Need help ASAP. Thank you john
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THANK U ALL FOR UR iNPUT APPRECIATE. John. I ALWAYS CAN COUNT ON FORD BARN
 
In my opinion, typical Model A charging systems are hard on Optima batteries and alternators may be worse (too many electrons up the snoot too fast). Last year I removed from a Model A a dead 6V red top Optima (dated 11-2003) which registered less than 2 volts and charged it with a desulfating battery charger made recently specifically for AGM-type batteries (a cheap one from Schumacher) repeatedly over several days (after peeling back part of the label and adding distilled water until no more was accepted through the breather port on top) and now it starts Model As like new and tests good on a load tester.

It is now part of my tool box and I haul it around to troubleshoot and start 6V cars. I think the life of any battery and particularly Optimas can be greatly extended by using the proper battery charger regularly to supplement the car's charging system.
 
I bought a 12V red-top part #8025-160 Model 25 from a hot rod shop in Kansas (or Nebraska?) through Amazon for about $100 less than what it would be from a local dealer, who would have to order one with an indeterminate arrival time. I used Prime then so shipping was free. A friend got one shortly after me for ~$5 less; different hot rod shop that popped up as the cheapest on Amazon then.
 
They also have a less expensive model that doesn't have the simulated cell leads for $78 plus shipping.
 
Mafman, please advise us if the Quail box fits in the original model A tray & what will you use for a hold down? My original holdown is too short by an inch to fit over a Quail dummy optima box. I tried one from another car that I have that exact Dummy on. The As use a smaller group 1 vs the Quails Group 2 size.
 
James, just noticed that the terminals are reversed, like the LF2 later Fords. The Model As are opposite; you may have trouble with cable position through the right of the brake pedal and the guide. And of course no Ford script, if you care. Do they sell the case with the correct terminal position for As?
 
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