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Thread: SWB Battery

  1. 07-08-2018, 04:42 AM #1
    50/50
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    SWB Battery

    A few weeks back I bought a Bosch battery for a Miata at Pep Boys for an early car. Got around to installing it yesterday and found it had some plastic
    structure (for warning labels) that prevented attaching the terminals, which was remedied by hacking it off.
    A bigger problem is, to connect the terminals , both are on the body side. Not much clearance or safety.
    Does anyone have any recommendations on a sealed type battery that works with the standard SWB mount and cover?
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  2. 07-08-2018, 05:12 AM #2
    Jsottile
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    Any "group 51R" battery has worked well for me. I've used Interstate in the past and most recently, Autocraft (Advanced Auto)
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  3. 07-09-2018, 04:13 AM #3
    endo911rs
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    Yes, 51R. You can get it at any auto parts store since it's also a Honda Accord battery
    '67 911S
    '69 911S
    '70 911ST
    '73 911T Targa Signal Yellow
    '78 911SC backdate EFI 3.4 turbo
    '11 Spyder
    Early S#1097, R-gruppe #
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  4. 07-15-2018, 03:38 PM #4
    merbesfield
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    These are the batteries I use in my early cars. I have bought them from a number of suppliers before. The number seems to be consistent among manufacturers. It is a Miata battery. AGM so no leaking even on it’s side. About $100. I keep all my cars on trickle chargers and have had good luck with this battery. East Penn, Deka and Batteries Plus have them.

    AGM Batteries #8AMU1R
    Mark Erbesfield
    2018 911 Carrera T 7spd manual 😊
    1973 911S #9113301282
    1957 356A #58648
    1966 Toyota Land Cruiser FJ45LV
    1982 Toyota Land Cruiser FJ40
    1977 Toyota Land Cruiser FJ40
    1972 Toyota Land Cruiser FJ40 FST (Factory Soft Top)
    1971 Toyota Land Cruiser FJ40 “Patina Queen”
    1979 MB 450SL "Dad's old car"
    2019 Cayenne "Wife's car"
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