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1966 Battery

Started by gkhashem, September 04, 2020, 11:47:59 AM

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gkhashem

Anyone know the correct original style battery that went into a Coupe Deville, or likely all of them?

I think it is a group 27.

This?

https://www.batterycentralmall.com/Batteries/TurboStart/Script/S27D.html

Or (reversed posts)

https://www.batterycentralmall.com/Batteries/TurboStart/Script/S27D_O.html
1959 Oldsmobile 98 Holiday Sports Sedan
1960 Cadillac Coupe Deville (CLC Sr #72)
1964 Oldsmobile 98 Town Sedan (OCA 1st)
1970 GMC C1500
1977 Oldsmobile 98 Regency Coupe
1978 Cadillac Coupe Deville (CLC Sr Crown #959)*
1992 Oldsmobile 98 (OCA 1st)
1996 Oldsmobile 98
*CLC Past President's Preservation

Past Cadillacs
1959 Coupe Deville
1966 Coupe Deville (Sr #861)*
1991 Eldorado Biarritz (Sr #838)

Ralph Messina CLC 4937

George,

I’d use the S27D AGM. The terminals align with the wire locations, (+) on the right side and (â€") on the left, looking from the front of the car. The other battery would require crossing the wires to reach the appropriate terminal.
1966 Fleetwood Brougham-with a new caretaker http://bit.ly/1GCn8I4
1966 Eldorado-with a new caretaker  http://bit.ly/1OrxLoY
2018 GMC Yukon

Jon S

 George  -  I believe the complete General Motors line went to Energizer batteries in 1966.  I had a 1966 Pontiac Grand Prix and my dad had a 1966 Bonneville and both had the red cap energizer from the factory.  I believe the yellow cap Delco batteries ended in 1965.
Jon

1958 Cadillac Sedan De Ville
1973 Lincoln Continental Coupe
1981 Corvette
2004 Mustang GT

gkhashem

I think the post configuration from Ralph is correct but I think the style is as Jon says.

The reason I ask is years ago I bought was as such above for my 1966. However the battery only lasted about 4 years.

Then I looked again recently and see the different style on the antique battery website.

I am actually looking at getting the battery topper this time instead of the antique battery. Currently I have a modern AC Delco battery group 27 but am looking for a topper. Not sure I am into spending an extra $200 for the replica.

However I do not think they make such a topper for a group 27
1959 Oldsmobile 98 Holiday Sports Sedan
1960 Cadillac Coupe Deville (CLC Sr #72)
1964 Oldsmobile 98 Town Sedan (OCA 1st)
1970 GMC C1500
1977 Oldsmobile 98 Regency Coupe
1978 Cadillac Coupe Deville (CLC Sr Crown #959)*
1992 Oldsmobile 98 (OCA 1st)
1996 Oldsmobile 98
*CLC Past President's Preservation

Past Cadillacs
1959 Coupe Deville
1966 Coupe Deville (Sr #861)*
1991 Eldorado Biarritz (Sr #838)

Jon S

#4
I converted my Interstate Group 27 very simply by adding an individual letter sticker I had made up and inserting Delco yellow caps.  BTW, this battery is 10 years old and still cranks as new.
Jon

1958 Cadillac Sedan De Ville
1973 Lincoln Continental Coupe
1981 Corvette
2004 Mustang GT

Ralph Messina CLC 4937

George,

Jon is correct about the Energizer type. I was referring to terminal configuration and should have been clearer. As far as longevity is concerned, I never got more than 4 years out of a new repro - old style battery...…..Ticks me off.
1966 Fleetwood Brougham-with a new caretaker http://bit.ly/1GCn8I4
1966 Eldorado-with a new caretaker  http://bit.ly/1OrxLoY
2018 GMC Yukon