Club Cobra Keith Craft Racing  

Go Back   Club Cobra > Cobra Talk Areas > ALL COBRA TALK

Welcome to Club Cobra!  The World's largest non biased Shelby Cobra related site!

  •  » Representation from nearly all Cobra/Daytona/GT40 manufacturers
  •  » Help from all over the world for your questions
  •  » Build logs for you and all members
  •  » Blogs
  •  » Image Gallery
  •  » Many thousands of members and nearly 1 million posts! 

YES! I want to register an account for free right now!  p.s.: For registered members this ad will NOT show

Nevada Classics
MMG Superformance
Main Menu
Module Jump:
Nevada Classics
Nevada Classics
MMG Superformance
Keith Craft Racing
Advertise at CC
Banner Ad Rates
MMG Superformance
Keith Craft Racing
MMG Superformance
May 2021
S M T W T F S
            1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30 31          

Kirkham Motorsports

Like Tree11Likes

Reply
 
LinkBack Thread Tools Display Modes
  #1 (permalink)  
Old 03-13-2021, 03:33 PM
chucks1's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Sep 2010
Location: Mineapolis, MN
Cobra Make, Engine: SPF, 395 Stroker
Posts: 73
Not Ranked     
Default Time for a new battery, but what one?

My SPF is now 10 years old. Even though the original Optima (#8025-160/25) still works like a champ I figure it's time for a new one. I've done a little poking around for a replacement and see people complaining about Optima quality having taken a turn for the worse lately. Any thoughts or opinions on the topic?

Chuck
Reply With Quote
Sponsored Links
Sponsored Links
  #2 (permalink)  
Old 03-13-2021, 04:50 PM
Mongoose930's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Jan 2011
Cobra Make, Engine: Hi-Tech
Posts: 616
Not Ranked     
Default

I honestly have never had very good luck with Optima batteries but I have been very happy with the Odyssey batteries I have purchased:

https://www.odysseybattery.com/
jolsen42 likes this.
Reply With Quote
  #3 (permalink)  
Old 03-13-2021, 05:05 PM
kitcarbp's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Jun 2004
Location: Potomac, MD
Cobra Make, Engine: West Coast, 460 Ford Racing Crate w/ TREMEC TKO 600
Posts: 626
Not Ranked     
Default Duracell!

My Duracell Group 78 Battery is just turning 6 years old and not missed a beat yet. I use a charger on it during winter months to keep it fresh.
__________________
"...some assembly required, ages 8 and up...... well that took longer than expected......
Reply With Quote
  #4 (permalink)  
Old 03-13-2021, 05:26 PM
CC Member
Visit my Photo Gallery

 
Join Date: Feb 2007
Location: Colorado Springs, CO
Cobra Make, Engine: Backdraft, supercharged Coyote
Posts: 2,291
Not Ranked     
Default

For a street car, I always prefer to get the biggest battery that will fit in the space. And then some. I like having that reserve available should I ever need it.

AGM batteries are better (IMO) if the battery is in the passenger compartment, or over the foot box. If there's an accident, you don't want acid spilling on the passengers.

But AGM batteries require a more specific charging pattern than a standard wet battery. They are standard equipment on a lot of new vehicles. And they have an alternator controlled by the ECM to provide the right charging pattern.

That could possibly be why AGM batteries don't last as long in these kinds of applications. Maybe? IDK. But I have heard that Optima batteries can be hit or miss.

I prefer to buy batteries from Autozone. They are usually well rated. The price is good. And in the US it's pretty easy to find a replacement if there's a problem.

Interstate is historically an excellent choice. But it can be hard to find a replacement while traveling.

ACDelco (GM) is also an excellent choice. But they can be pricey.
__________________
.boB "Iron Man"
NASA Rocky Mountain TTU #42
www.RacingtheExocet.com
BDR #1642 - Supercharged Coyote, 6 speed Auto
Reply With Quote
  #5 (permalink)  
Old 03-13-2021, 06:15 PM
CC Member
Visit my Photo Gallery

 
Join Date: Feb 2021
Cobra Make, Engine: ford 302
Posts: 47
Not Ranked     
Default

I am partial to the ACDelco brand
Reply With Quote
  #6 (permalink)  
Old 03-13-2021, 08:18 PM
chucks1's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Sep 2010
Location: Mineapolis, MN
Cobra Make, Engine: SPF, 395 Stroker
Posts: 73
Not Ranked     
Default

Some good information guys, thanks a bunch. Time to start researching a bit further.
Reply With Quote
  #7 (permalink)  
Old 03-14-2021, 06:04 AM
t walgamuth's Avatar
CC Member/Contributor
Visit my Photo Gallery
Gold Star Contributor
 
Join Date: Jan 2018
Location: Lafayette, IN
Cobra Make, Engine: Looking to buy
Posts: 1,165
Not Ranked     
Default

I have gel batteries in my two hobby road cars. My dedicated autocrosser has a Lithium battery. My DD road vehicles have conventional batteries. For the latter I have been using autozone for a long time.
__________________
Cobra loving, autocrossing Grandpa Architect.
Reply With Quote
  #8 (permalink)  
Old 03-14-2021, 02:59 PM
cycleguy55's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Feb 2014
Location: White City, SK
Cobra Make, Engine: West Coast, 460 CID
Posts: 2,516
Not Ranked     
Default

I've had good luck buying from Costco - both flooded and AGM batteries. Can't beat their warranty and customer service.
rads42 and spdbrake like this.
__________________
Brian
Reply With Quote
  #9 (permalink)  
Old 03-14-2021, 03:08 PM
spdbrake's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Dec 2015
Location: Lyman, SC
Cobra Make, Engine: BDR #53
Posts: 1,104
Not Ranked     
Default

Quote:
Originally Posted by cycleguy55 View Post
I've had good luck buying from Costco - both flooded and AGM batteries. Can't beat their warranty and customer service.
Likewise here Brian. Costco sells Interstate and their pricing is along the lines or their store...affordable.
Reply With Quote
  #10 (permalink)  
Old 03-14-2021, 03:44 PM
CC Member
Visit my Photo Gallery

 
Join Date: Nov 2018
Location: Priceville, al
Cobra Make, Engine:
Posts: 106
Not Ranked     
Default

Removed a dead 11yr old yellow top and replaced it with a red top.
Reply With Quote
  #11 (permalink)  
Old 03-14-2021, 05:21 PM
twobjshelbys's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Jan 2009
Location: Las Vegas, NV
Cobra Make, Engine: Shelby CSX4005LA, Roush 427IR
Posts: 4,232
Not Ranked     
Default

Most batteries are going from a 3yr-full+2yr-prorated to a flat 3. In Vegas with the heat they barely last 3 years, so we buy the cheapest 3 year battery we can get and for my truck with a group 65 that has been Walmart for the past two.

Sams club had the best price for my daughter's car and our Honda CRV.
__________________
Cheers,
Tony
CSX4005LA
Reply With Quote
  #12 (permalink)  
Old 03-14-2021, 07:14 PM
CC Member
Visit my Photo Gallery

 
Join Date: Jun 2007
Location: Caldwell, NJ
Cobra Make, Engine: ERA 427, 482ci sideoiler
Posts: 67
Not Ranked     
Default

[quote=twobjshelbys;1490317]Most batteries are going from a 3yr-full+2yr-prorated to a flat 3. In Vegas with the heat they barely last 3 years, so we buy the cheapest 3 year battery we can get and for my truck with a group 65 that has been Walmart for the past two.

I've been using the Walmart EverStart Maxx for the past 10+ years. They last at least 5 years in my daily drivers and have a full replacement warranty for 3 years. The group 65 is rated for 850 cca and when new they test at around 1000 cca. The group 65 EverStart Maxx was given an above average rating by one of the consumer testing companies and sells for around $100. I've only had one out of about eight batteries that gave up the ghost within the warranty period and that was on my snow plow truck that sat for long periods between use. So, I highly recommend the EverStart Maxx, although if it is going into an occasionally used vehicle make sure you have a battery smart charger connected during non use/storage.
Kobura and Gilach1 like this.
Reply With Quote
  #13 (permalink)  
Old 03-14-2021, 07:20 PM
CC Member
Visit my Photo Gallery

 
Join Date: Feb 2018
Cobra Make, Engine:
Posts: 149
Not Ranked     
Default

Optima Red Top 34/78 (9004-003) - trunk mounted.
https://www.optimabatteries.com/products/redtop-34-78

Has standard and GM style battery connection.

Car starting hooked to the standard posts and
the GM connections have a Battery Tender extension
cord. I can hook up and trickle or top off charge
without venturing into the trunk to connect. Can
also connect a small Battery Tender voltage indicator to
the extension cable for status check.

https://www.batterytender.com/Batter...84370000000154

Battery is currently 3 years old and still going strong.
Reply With Quote
  #14 (permalink)  
Old 03-14-2021, 09:25 PM
cycleguy55's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Feb 2014
Location: White City, SK
Cobra Make, Engine: West Coast, 460 CID
Posts: 2,516
Not Ranked     
Default

My Group 34/78 battery sits in a sealed battery box that's mounted sideways in the trunk, tucked behind the right rear wheel. The box has a tube that vents outside the trunk.



https://www.summitracing.com/parts/sum-g1230



I run external 'jump start' terminals under the hood. Photo below shows the terminals, but they're mounted without the bracket, directly on the chromed trim panels inside the engine compartment.

I can put a charger or battery maintainer on the terminals or check the voltage without having to open the trunk or battery box.



https://www.americanautowire.com/sho...art-block-prov
__________________
Brian
Reply With Quote
  #15 (permalink)  
Old 03-15-2021, 03:05 AM
tonywyso's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Sep 2020
Cobra Make, Engine: FFR Ford
Posts: 9
Not Ranked     
Default

Optima, my first one ( 34/78 ) lasted 12 years so, I bought another. Also get a Battery Tender well worth the money.
mln385 likes this.
Reply With Quote
  #16 (permalink)  
Old 03-15-2021, 03:53 AM
Moritz55's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Jan 2020
Location: Raleigh, NC
Cobra Make, Engine: Superformance, '65 427/MKIII with Roush V8 - 351W w/770cfm 4BBL Holley, 514hp
Posts: 48
Not Ranked     
Default

Similar to everyone here... but just like "tonywyso"...
My logic is to go with the highest cranking/deep cycle battery I can fit in the allocated space for an AGM battery. My SPF has the trunk mount battery similarly...
1st choice - Odyssey (could not find the right size with large CCA)
2nd choice - Duracell (CCA was less than the Red Optima)
3rd choice - Optima Red Top .. 34/78 (9004-003) had the highest CCA so installed it in my Cobra. https://www.optimabatteries.com/products/redtop-34-78

I add Battery Tender leads on all my sports cars and use: https://www.batterytender.com/Batter...nior-12V-0-75A

All my cars are on the Battery Tender when parked in my garages... longest battery life was 11+yrs old...

Cobra really cranks nice with the higher CCA !!!

Good luck .... let us know what you went with...
Alfa02 likes this.
__________________
Many thanks,

Mark


Superformance: SPO2454 , Titanium w/Black Stripes
Engine: Roush 427SR w/770cfm 4-Barrel Holley
Transmission: Tremec TKO-600
Reply With Quote
  #17 (permalink)  
Old 03-15-2021, 06:01 AM
chucks1's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Sep 2010
Location: Mineapolis, MN
Cobra Make, Engine: SPF, 395 Stroker
Posts: 73
Not Ranked     
Default

My local AutoZone store had one battery that would fit my battery box, but the terminals were reversed so it was no-go unless I wanted to get under the car, re-route battery cables and drill a couple new holes in the box. I know this because I took the damm thing home and dropped it into the battery box to verify. It's bad enough having pulled one battery from an SPF battery box; I thought number two was gonna get the best of me.

Back at AutoZone I asked about the Odyssey batteries but the cost just seemed prohibitive. Curiously enough, the store manager referred to the AC Delco's as being a "cheaper" variety of battery.

So now I have a new redtop on order. On a positive note, I know it fits the battery box and I know the cables reach the terminals, so once I drop it in the box it won't have to come back out until it fails. Hopefully I get a good one and it lasts a long time.

I'm a big believer in battery tenders. I use them on everything from hot rods to garden tractors and generally get very good battery life.
Moritz55 likes this.
Reply With Quote
  #18 (permalink)  
Old 03-15-2021, 08:24 AM
hauss's Avatar
CC Member
Visit my Photo Gallery

 
Join Date: Feb 2018
Location: Lodi, CA
Cobra Make, Engine: 427 manowar forged crank roller rockers . BIG CAM.
Posts: 642
Not Ranked     
Default

cold cranking is not as important as reserve capacity in a car that sits a lot. Get the most reserve capacity you can find rv/boat type .
Reply With Quote
  #19 (permalink)  
Old 03-15-2021, 08:35 AM
Alfa02's Avatar
CC Member/Contributor
Visit my Photo Gallery
Gold Star Contributor
 
Join Date: Sep 2016
Location: Port Orchard, WA
Cobra Make, Engine: Classic Roadster 427S/O / JCF 289 Slabside.
Posts: 1,138
Not Ranked     
Default

Both Cobras have Optima (Red top) finally changed the one in the 427 this year. Brought a NAPA (Gold top) AGM for the Mazda RX-7/V-8 car, seems just as good for far less money ?? Buying the best chargers, seem the ticket to a long lasting battery. Cheers TommyRot.
Moritz55 likes this.
Reply With Quote
  #20 (permalink)  
Old 03-16-2021, 04:28 PM
CC Member
Visit my Photo Gallery

 
Join Date: Jan 2008
Cobra Make, Engine:
Posts: 327
Not Ranked     
Default

Costco, great battery. Good cranking and reserve, plus they will replace it if there is a problem, no questions asked.
rads42 likes this.
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On



All times are GMT -7. The time now is 04:44 PM.


Powered by vBulletin® Version 3.8.0
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.
Search Engine Friendly URLs by vBSEO 3.6.0
The representations expressed are the representations and opinions of the clubcobra.com forum members and do not necessarily reflect the opinions and viewpoints of the site owners, moderators, Shelby American, any other replica manufacturer, Ford Motor Company. This website has been planned and developed by clubcobra.com and its forum members and should not be construed as being endorsed by Ford Motor Company, or Shelby American or any other manufacturer unless expressly noted by that entity. "Cobra" and the Cobra logo are registered trademarks for Ford Motor Co., Inc. clubcobra.com forum members agree not to post any copyrighted material unless the copyrighted material is owned by you. Although we do not and cannot review the messages posted and are not responsible for the content of any of these messages, we reserve the right to delete any message for any reason whatsoever. You remain solely responsible for the content of your messages, and you agree to indemnify and hold us harmless with respect to any claim based upon transmission of your message(s). Thank you for visiting clubcobra.com. For full policy documentation refer to the following link: CC Policy
Links monetized by VigLink