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Thread: 1967 battery options

  1. #1

    1967 battery options

    Iím almost ready to put my 67 back on the road after a rather prolonged restoration period. I was hoping to install a maintenance free battery in the rather small area left of the spare tire but canít seem to find anything that will fit in the 6.5 x 10Ē space. I have also noticed that the amp hours offered by these new batteries fall below the factory recommended 45ah. Has anyone accomplished this or am I stuck with a lead-acid solution.

    Thanks,

    Keith

  2. #2
    Keith, Optima makes a smaller battery for the Corvette. It's model # is 75/35-925...I put one in Cindy's Ford Ranger because the standard Optima was too big. Do some careful measuring, but I think it will fit. It's a dual post set up..has top posts and a place for the bolt in connectors. The top mounted screw in connectors may give you a clearnce problem. Measuring there, I get 6.5" width, only 6.25" wide excluding those. It's 6" high, not including posts, and is 9.25" long. It's rated for 46 AH, 720 CCA...should be adequate. . Hope this helps... Paul
    Paul D. Early S Registry #8 - Cyclops Minister of West Coast Affairs
    "Now, to put a water-cooled engine in the rear and to have the radiator in the front, that's not very intelligent." -Ferry Porsche (PANO, Oct. 1973)

  3. #3
    Jared Rundell - Registered User JCR's Avatar
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    I installed an Odyssey 1200 sealed battery on it's side. Fits in batt box very well, in fact it's a bit small. It may fit where you want it right side up too. Their website should have measurements.

    I am very happy with it's performance so far.


    I posted a link to a picture of a similar setup on this thread somewhere.
    Jared
    '73 911S #0793
    '69 912_ #0602
    Early S #0454
    RGruppe #0391

  4. #4
    Jared, no battery box in a '67. We're talking a different install than with the '69-'73 cars...I'm hoping the smaller model Optima works for Keith.
    Paul D. Early S Registry #8 - Cyclops Minister of West Coast Affairs
    "Now, to put a water-cooled engine in the rear and to have the radiator in the front, that's not very intelligent." -Ferry Porsche (PANO, Oct. 1973)

  5. #5

    67 Optima installation

    I did, in fact, install an Optima 75/35-925, however it measured out at 7Ē wide at the bottom support plate which is almost one half inch too wide. The í67 has a small L shaped channel welded to the suspension pan locating the battery. Rather than attacking the plastic battery base I fabricated a hard wood platform, raising the battery above the channel and gaining enough clearance. I canít seem to locate my rubber battery strap so I canít say how well it will work with the new battery. Both 901 series cars Iíve owned have had suspension pan replacement due to electrolyte leakageÖIíve attached a photo of what I hope is the solution.

    Thanks for all your help!

    Keith
    Attached Images Attached Images  

  6. #6
    Keith, I think you'll love the battery. For a tie-down on Cindy's car, I used a rubber tie down I bought at the local battery store...it mounts like the rigid across the top of the battery method used in Detroit iron. I shortened a couple of threaded uprights, used wing nut & washers. So far so good, but even with beefed sway bars & edelbrock shocks, I doubt her Ranger generates the cornering forces you will. Scratch your head a bit, I'm sure a good tie down method is in there somewhere. Once you get it sorted out? You can probably forget about the battery for a decade or so...
    Paul D. Early S Registry #8 - Cyclops Minister of West Coast Affairs
    "Now, to put a water-cooled engine in the rear and to have the radiator in the front, that's not very intelligent." -Ferry Porsche (PANO, Oct. 1973)

  7. #7
    Early 911S Registry # 237 NeunElf's Avatar
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    According to Upfixin der Porsche, Vol 11 Page 113 (I was reminded of this by the PCA Technical Committee):

    The original Battery is 22NF. A better fit is 2HN

    I think the 22NF is common to things like old Ford tractors. If you have a little time, you can probably order a 22NF from any Interstate Batteries dealer. Maybe you can find it in stock at a farm equipment store. I used to have an Interstate 22NF in my 1965 911, and the label was decorated with pictures of tractors.

    Thanks to a sudden, URGENT, need for a replacement battery my car now has a 51R (or maybe a 5R--it's hard to read) Sears Diehard. It's supposedly intended for Hondas. It's a little narrow, but it's a decent enough fit. If your battery dies in a Sears parking lot, it's an option...

  8. #8
    a local pca member mentioned that a mazda battery fits the hole. yet another option, but the tractors sound cool.
    72 911t * 74 914 2.0

  9. #9
    Keith, or others
    I bought a 51-1 lead-acid battery off the Sears rack for my 67. Fits well with the factory cover and rubber strap.

    Wolfgang

  10. #10
    If I'm not mistaken, Keith's goal was to get away from the liquid acid spills & emissions of conventional batteries. Once a mounting method is figured out, the Optima should accomplish that goal. I'll admit the look is unconventional, though. Perhaps if one painted the curved sides so the battery looked like a 6 pack of Coors?
    Paul D. Early S Registry #8 - Cyclops Minister of West Coast Affairs
    "Now, to put a water-cooled engine in the rear and to have the radiator in the front, that's not very intelligent." -Ferry Porsche (PANO, Oct. 1973)

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