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05-24-2020, 11:44 AM
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CC Member
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Join Date: Mar 2014
Location: Rocklin,
Ca
Cobra Make, Engine: Superformance , Roush 427SR dyno'd at 526 hp
Posts: 173
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Not Ranked
Battery removal
It is time to replace my Optima red top battery. The last time I did it I could not get it out of the compartment in the trunk. Fortunately a young fellow was able to get it out for me. Does anyone have any tips on how to remove it. I have tried battery straps but they were useless.
Thanks,
Lou
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05-24-2020, 02:08 PM
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CC Member
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Join Date: Feb 2007
Location: Colorado Springs,
CO
Cobra Make, Engine: Backdraft, supercharged Coyote
Posts: 2,445
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Not Ranked
The easiest way I've found is to take it to the parts store and say, "Do it." Works every time.
__________________
.boB "Iron Man"
NASA Rocky Mountain TTU #42
www.RacingtheExocet.com
BDR #1642 - Supercharged Coyote, 6 speed Auto
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05-25-2020, 06:31 AM
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CC Member
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Join Date: Dec 2017
Cobra Make, Engine: Unique Fresh 427 S/O
Posts: 171
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Not Ranked
Quote:
Originally Posted by bobcowan
The easiest way I've found is to take it to the parts store and say, "Do it." Works every time.
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,,,and pray they don't bounce it off the inside of the fender!
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05-25-2020, 06:43 AM
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CC Member
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Join Date: Sep 2002
Cobra Make, Engine: SPF#0760
Posts: 3,405
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Not Ranked
Your battery strap must be modified to be as short as possible. It’s correct length should be just long enough to span between the terminals with just enough space under the center of the strap to slip your fingers through.
Blas
__________________
Wiring Diagrams: SPF MKII, MKIII, GT40, CSX7000, CSX8000, Corvette Grand Sport, and Shelby Sebring, Bondurant & Cinema Tribute Cars.
Owner’s Manuals: SPF MKII, CSX7000, CSX8000, Sebring, Bondurant, Cinema Tribute Cars $ GT40’s..
Large, easy to read and trace schematics with part numbers, wire colors, wire gauge, fuses, and electrical upgrade information. Trouble-shooting and replacement part numbers for those roadside repair adventures.
SPFWiringDiagrams@Comcast.net
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05-25-2020, 07:07 PM
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CC Member
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Join Date: May 2015
Posts: 626
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Not Ranked
This is how i do it...
Two big vice grips TIGHT on the old battery posts; DON’T LET THEM TOUCH!!!
Pointing straight inboard, grab both and lift it out.
Steve H
1764
__________________
Superformance 1764
Ford Racing 427 SB
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05-26-2020, 04:27 AM
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CC Member
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Join Date: Aug 2013
Location: Canandaigua,
NY
Cobra Make, Engine: SPF MKII Riverside Racer FIA
Posts: 2,499
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Not Ranked
Quote:
Originally Posted by tortuga
Two big vice grips TIGHT on the old battery posts; DON’T LET THEM TOUCH!!!
Pointing straight inboard, grab both and lift it out.
Steve H
1764
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Steve,
You forgot to say wear rubber soled shoes while doing. Sounds like the old boardgames, Operation. Except if you touch where your not supposed to touch instead of the patients nose glowing red and a loud buzz, you light up
Jim
__________________
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06-12-2020, 06:27 PM
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CC Member
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Join Date: Mar 2010
Location: Williamsburg,
VA
Cobra Make, Engine: SPF #2920 w/ Keith Craft 408
Posts: 250
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Not Ranked
Pulled my interstate battery out about two months for inspection and charging. Was able to get my fingertips along the top of each side and it lifted right up and out.
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06-12-2020, 08:05 PM
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CC Member
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Join Date: Sep 2018
Location: Howell,
NJ
Cobra Make, Engine: Backdraft Car #1209 Roush 427R
Posts: 607
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Not Ranked
Box wrench.
A long time ago I used to work for a mechanic who could lift out the tightest fitting battery with 2 box wrenches on the terminals.
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06-13-2020, 05:16 AM
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Senior CC Premier Member
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Join Date: Nov 2015
Location: Bellevue,
WA
Cobra Make, Engine: Everett-Morrison 514, Toploader 4 sp, Jag IRS
Posts: 278
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Not Ranked
Quote:
Originally Posted by Lou1119
It is time to replace my Optima red top battery. The last time I did it I could not get it out of the compartment in the trunk. Fortunately a young fellow was able to get it out for me. Does anyone have any tips on how to remove it. I have tried battery straps but they were useless.
Thanks,
Lou
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Hi Lou,
Couldn't sleep so did a touch of Internet research on this one! I assume you have a four sided battery box that's like an inch high or such that you're trying to clear.
Actually found the link below to a prior Club Cobra Superformance thread on the topic, if you haven't already seen that one. Much sounds similar to what you've tried, but there may be some useful thoughts.
What's the trick on lifting out the Battery?
Post #28 therein sounded interesting (if not a bit scary around the fiberglass). A basic lever theory it appears with terminal strap, wood blocks and 4' pipe. Below is that text:
"I'll chine in here in 2018. I went to O'reily's and bought the battery lift strap that hooks to the terminals. I took a 4x6 about a foot long then hooked one end of a 4 foot pipe under the strap...put the 2x6x12 near the middle of the pipe and pushed down on the far end swinging the battery up far enough to pull it out of the hole........It took about 5 seconds and no strained muscles."
Post #8 therein has another concept that may offer some thoughts, per below:
"The other was was I had about an inch on each end of the battery and I got two steel strips about 1" wide and bent the bottom ends at right angles. After working them down beside the battery I could lift each end of the batter just enough to twist the steel strips and make the bent end go under the battery. Then I just lifted the two strips and they pulled the battery up. This is much easier on the hands of you tape or pad the top part of your lifting strips."
Also, once the battery is out you may want to consider a solution to make it easier next time. Whether the grommeted hole and plate with screw in mount for jacking from below (in the above thread), moving the battery back by the wheel well like I just did on mine, a different style mount in the same location, etc.. For the short box style like I'm assuming you have, it would be slick if someone designed a hinged front edge that could be released for easy removal/install access.
Best of luck. Brent
Last edited by EM-0785; 06-13-2020 at 05:19 AM..
Reason: Add word
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