Battery for Testarossa | FerrariChat

Battery for Testarossa

Discussion in 'Technical Q&A' started by Aerotech8, Nov 27, 2015.

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  1. Aerotech8

    Aerotech8 Rookie

    Nov 27, 2015
    1
    Can somebody please recommend a good battery for a 1991 Testarossa? What brand and model? Tks.
     
  2. Jeff Pintler

    Jeff Pintler Formula Junior

    Jul 20, 2005
    537
    Richland
    Full Name:
    Jeff Pintler
    #2 Jeff Pintler, Dec 3, 2015
    Last edited by a moderator: Sep 7, 2017
    Check the search function for this. The problem is that everybody has a favorite solution and brand. I think the correct type is 34R and you need a battery that has the nubbins on the bottom to engage the tr's holding tabs. Lots of people like gel cell, others like interstate brand and I like the small Mercedes battery. FWIW.


    Jeff Pintler
    89 348tb, 86tr, 99 360 3pedal, S-160 Bobcat
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  3. sparta49

    sparta49 F1 Veteran
    Owner

    Mar 3, 2001
    7,804
    LA
    Full Name:
    Frank
    I have an Odyssey in my 91
     
  4. Steve Magnusson

    Steve Magnusson Two Time F1 World Champ
    Lifetime Rossa

    Jan 11, 2001
    26,932
    30°30'40" N 97°35'41" W (Texas)
    Full Name:
    Steve Magnusson
    Actually Jeff, I think that MB battery that you posted is the stock size for a TR (Group 47):

    CURRENT GENERATION - Ricambi America, Inc.

    (note how the battery post areas are stepped down from the top like in the TR SPC figure), but you are right that a lot of TR people use the larger Group 34R.
     
  5. Turbopanzer

    Turbopanzer F1 World Champ

    Oct 2, 2011
    11,120
    Under a bonnet
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    Panzer
    Amps matters in a TR. More the better.
     
  6. Jeff Pintler

    Jeff Pintler Formula Junior

    Jul 20, 2005
    537
    Richland
    Full Name:
    Jeff Pintler
    #6 Jeff Pintler, Dec 5, 2015
    Last edited by a moderator: Sep 7, 2017
    Yep, size matters. Along with things like how fresh, how well constructed and the proper mounting tangs. The first picture is of a 355....notice the bracket that holds the battery in place. The TR has similar hardware. I hate it when the battery flops around when the car is upside down. And you can spend extra for the super gold version from lots of places but they don't last longer. Care and charging has more effect on battery life. And stay away from OPTIMA as they are poorly made, expensive and don't mount properly onto the battery tray. This pic is on the 360 and not only hold the battery in place but gets rid of the angle bracket and "J" hooks that are too close to the battery terminals. FWIW

    Jeff
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  7. Continental AutoSports

    Sponsor

    Aug 22, 2006
    4,410
    Hinsdale, IL
    Full Name:
    Bobby Williams / Parts Manager

    We use Interstate here, part #MT-36R
     
  8. KECars

    KECars Rookie
    Silver Subscribed

    Mar 6, 2022
    12
    Texas
    Full Name:
    Karl “Kelly” Wade
    I am about to replace the battery in my ‘87 Testarossa. I am purchasing an Odyssey ODX-AGM34R. Summit Racing has them in stock.
     

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