PotM GrandMarq.NET - Panther Headquarters Forum Index PotM
GMN Chat Room GMN's STORE!! GMN's Gallery Please!!
Results 1 to 9 of 9

Thread: batttery follow up......

  1. #1
    I post a lot... Toploader's Avatar
    Join Date
    May 2013
    Posts
    1,787

    Default batttery follow up......

    So tell me:

    What do I have to purchase to make a group 65 battery fit in my 1986 MGM?

    Just longer cables?

    Give me the low down

  2. #2
    Road Warrior Kodachrome Wolf's Avatar
    Join Date
    Nov 2014
    Location
    Evans, GA
    Posts
    1,729

    Default

    A 65 will “go” where a 64 should. However, there’s a little nub towards the header panel side of the battery tray that won’t let the battery sit level. My ‘87 had a 65 in it when I got it, but I lost that battery to that nub as it punctured the bottom of the battery and allowed it to leak. I can only assume it happened from continuous vibration or maybe shock from a rough road.

    Regardless, most folks will just grind that nub flat, and voila, a 65 will drop in without puncture risk. If you really wanted to go whole hog, find a ‘88-‘91 battery hold down to complete a factory look.

    My Cars:
    -1964 Comet 202 (116K Miles) - Awaiting Resurrection
    -1987 Grand Marquis Colony Park LS (325K Miles) - April 2017 + September 2019 POTM Winner
    -1997 Grand Marquis LS (222K Miles) - The Daily Workhorse & March 2015 + January 2019 POTM Winner

  3. #3
    2 decades of DDing Box Panthers, now in a Whale VicCrownVic's Avatar
    Join Date
    Nov 2012
    Location
    Shelby Township, MI
    Posts
    3,380

    Default

    Quote Originally Posted by Kodachrome Wolf View Post
    My 87 had a 65 in it when I got it, but I lost that battery to that nub as it punctured the bottom of the battery and allowed it to leak. I can only assume it happened from continuous vibration or maybe shock from a rough road.
    Either my mom's '87 Country Squire or "my" '87 CV had a group 65 in it which suffered from the same puncture problem. Don't know what dad did since this was about 20 years ago. He either removed that nub, got a different battery, or put something under the battery; no idea but I know he did have to replace the battery for this reason.
    I do seem to remember there being something different with terminal configuration on the battery on one of the cars we had, but turning the battery around solved that with no need to replace cables. Although there wasn't as much slack on one of the cables doing this.
    Last edited by VicCrownVic; 01-06-2021 at 09:17 PM.
    Vic

    ~ 1998 Mercury Grand Marquis LS - new DD
    ~ 1991 Mercury Grand Marquis LS "The Scab" - plenty of rot, summer DD
    ~ 1997 GMC Yukon - wannabe winter DD - returning sometime in the 2020s, I finally have an engine
    ~ 1991 Mercury Grand Marquis GS "The Ice Car" - Rotting Retired Winter DD
    ~ 1989 Mercury Grand Marquis GS - Rotting Retired DD
    Gone but not forgotten:
    ~ 1988 Country Squire ~ 1987 Ford Crown Vic

  4. #4
    I post a lot... Toploader's Avatar
    Join Date
    May 2013
    Posts
    1,787

    Default

    Car started right up this morning, so farso good.
    I did notice that the car has a Interstate MT 36-R battery.

    Anyone know what this number is supposed to fit? It has 660 CCA.

  5. #5
    Road Warrior Kodachrome Wolf's Avatar
    Join Date
    Nov 2014
    Location
    Evans, GA
    Posts
    1,729

    Default

    36R batteries fit some Taurus and Sable models to my knowledge.

    My Cars:
    -1964 Comet 202 (116K Miles) - Awaiting Resurrection
    -1987 Grand Marquis Colony Park LS (325K Miles) - April 2017 + September 2019 POTM Winner
    -1997 Grand Marquis LS (222K Miles) - The Daily Workhorse & March 2015 + January 2019 POTM Winner

  6. #6
    I post a lot... Toploader's Avatar
    Join Date
    May 2013
    Posts
    1,787

    Default

    Quote Originally Posted by Kodachrome Wolf View Post
    36R batteries fit some Taurus and Sable models to my knowledge.
    It has more CCA than the Motorcraft model of 36R

  7. #7
    Road Warrior Kodachrome Wolf's Avatar
    Join Date
    Nov 2014
    Location
    Evans, GA
    Posts
    1,729

    Default

    Quote Originally Posted by Toploader View Post
    It has more CCA than the Motorcraft model of 36R
    Could be just a specific series. It's possible to have the same group size and offer different CCA over several lines. Usually an economy line will have less warranty with lower CCA while the upper lines offer higher CCA and longer warranty.

    My Cars:
    -1964 Comet 202 (116K Miles) - Awaiting Resurrection
    -1987 Grand Marquis Colony Park LS (325K Miles) - April 2017 + September 2019 POTM Winner
    -1997 Grand Marquis LS (222K Miles) - The Daily Workhorse & March 2015 + January 2019 POTM Winner

  8. #8
    fomoco panthers !
    Join Date
    May 2011
    Location
    Bangor,Maine
    Posts
    3,636

    Default

    MT36R Will fit :
    96-2005 many Merc.Sable/Taurus with the 3.0 . Many Montego,Freestyle That is just Ford products up to 07
    Could replace a group 34R with adapter. Suppose to be a replacement for a 58R
    Got to watch out for that bolt punching a hole in the bottom of the case. Acid all over eating the metal/wires that was not neutralized. Not nice.
    Last edited by Mainemantom; 01-07-2021 at 06:49 PM.

  9. #9
    I post a lot... Toploader's Avatar
    Join Date
    May 2013
    Posts
    1,787

    Default

    Quote Originally Posted by Mainemantom View Post
    MT36R Will fit :
    96-2005 many Merc.Sable/Taurus with the 3.0 . Many Montego,Freestyle That is just Ford products up to 07
    Could replace a group 34R with adapter. Suppose to be a replacement for a 58R
    Got to watch out for that bolt punching a hole in the bottom of the case. Acid all over eating the metal/wires that was not neutralized. Not nice.
    Tom thanks for this, the actual tray is long gone as are the hold down brackets, the battery is being held down with one of the those very thick black rubber straps with steel hooks on each end.

    I will keep an eye out for that bolt.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
GMN Approved Links!


www.rockauto.com www.adtr.net