Optima battery install in a 2011+ mustang gt - Ford Mustang Forum
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post #1 of 18 (permalink) Old 11-08-2013 Thread Starter
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Optima battery install in a 2011+ mustang gt

Has anyone attempted/completed an Optima battery install in a 2011+ mustang gt? I have been looking for awhile now to see how someone was able to do it without relocating the battery to the trunk. Wasn't sure if I got a reversed terminal battery if it would fit.

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post #2 of 18 (permalink) Old 11-08-2013
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Take a look at Odessey batteries. They use TPPL technology. They are sold at Sears under the Die hard Platinum line.

ODYSSEY Batteries - Official Manufacturer's Site


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post #3 of 18 (permalink) Old 11-08-2013
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Don't buy an optima battery!!!!

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post #4 of 18 (permalink) Old 11-08-2013 Thread Starter
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Take a look at Odessey batteries. They use TPPL technology. They are sold at Sears under the Die hard Platinum line.

ODYSSEY Batteries - Official Manufacturer's Site
Ok, thanks. I need something that can take the abuse of sitting most of the time.
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post #5 of 18 (permalink) Old 11-08-2013
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Don't buy an optima battery!!!!
Whats wrong with Optimas? I have used them in the past and never had a problem, granted it has been quite a few years though.

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post #6 of 18 (permalink) Old 11-09-2013
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Quote:
Originally Posted by Kona stang10 View Post
Don't buy an optima battery!!!!
Agreed.

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Whats wrong with Optimas? I have used them in the past and never had a problem, granted it has been quite a few years though.
I worked for Interstate Batteries and we sold Optima's, They are made in Mexico and are not worth the extra cost or all the hype, trust me.

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Ok, thanks. I need something that can take the abuse of sitting most of the time.
No Battery is going to last if it sits. Most batteries lose 25% of their charge when sitting for only 3 months. For prolonged non use I always suggest a battery tender or similar product.

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post #7 of 18 (permalink) Old 11-09-2013
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There isn't enough height clearance on the 11+ mustangs for the Optima's. I looked into it when I needed to replace my battery. Maybe if you could find a replacement battery tray. I ended up just getting an Interstate battery.

Optima batteries have been getting pretty bad reviews the last few years due to early failures.

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post #8 of 18 (permalink) Old 11-09-2013
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I have had nothing but bad luck with Optima batteries.

I, as well as a few other guys up here have been having great luck with the Interstate MT7-34's.

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post #9 of 18 (permalink) Old 11-10-2013
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Quote:
Originally Posted by bstang11 View Post
Has anyone attempted/completed an Optima battery install in a 2011+ mustang gt? I have been looking for awhile now to see how someone was able to do it without relocating the battery to the trunk. Wasn't sure if I got a reversed terminal battery if it would fit.
I replaced my stock battery with an Optima Red Top 35 battery. It fits just fine in the stock location. I originally purchased the wrong one and had to return it. The insulator that is around the stock battery is no longer needed.

I have had zero problems with it so far.

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post #10 of 18 (permalink) Old 11-11-2013 Thread Starter
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Quote:
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I replaced my stock battery with an Optima Red Top 35 battery. It fits just fine in the stock location. I originally purchased the wrong one and had to return it. The insulator that is around the stock battery is no longer needed.

I have had zero problems with it so far.
Ok great! Thanks
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I don't get the Optima bashing. I have had an Optima in my daily driven Xterra for over 7 years with no issues. I have been waiting for it to die as 7 years makes me uncomfortable but it keeps on going.
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I don't get the Optima bashing. I have had an Optima in my daily driven Xterra for over 7 years with no issues. I have been waiting for it to die as 7 years makes me uncomfortable but it keeps on going.
I think the problem with the Optima's is inconsistency.

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Quote:
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I don't get the Optima bashing. I have had an Optima in my daily driven Xterra for over 7 years with no issues. I have been waiting for it to die as 7 years makes me uncomfortable but it keeps on going.
Since you daily drive the vehicle that is why the battery has no issues.
Most people buy Optima's for their collector of fun cars, problem is these cars sit for long periods. If you don't use a tender to keep the battery charged it won't last long. And Optima's require a specific way to bring them back to full charge if drained below 10 volts.
Any battery can last a long time if it's maintained correctly.

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Quote:
Originally Posted by Black Fire View Post
Since you daily drive the vehicle that is why the battery has no issues.
Most people buy Optima's for their collector of fun cars, problem is these cars sit for long periods. If you don't use a tender to keep the battery charged it won't last long. And Optima's require a specific way to bring them back to full charge if drained below 10 volts.
Any battery can last a long time if it's maintained correctly.
I've had multiple Optima batteries and they have all been on a tender of some sort, still had problems.

The Optima batteries are enough of a problem that my tuner (who also does other "hot rod" work) stopped carrying them. He just couldn't deal with all the warranty problems anymore.

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Quote:
Originally Posted by Black Fire View Post
Since you daily drive the vehicle that is why the battery has no issues.
Most people buy Optima's for their collector of fun cars, problem is these cars sit for long periods. If you don't use a tender to keep the battery charged it won't last long. And Optima's require a specific way to bring them back to full charge if drained below 10 volts.
Any battery can last a long time if it's maintained correctly.
I agree but that would be true of any automotive battery. I am not sure of the deep discharge recovery procedure for optima batteries as I have not experienced the issue. As you said, daily driver. What I can say is I have had other batteries, including the factory battery in the Mustang, die very early. Most good batteries I have used tend to last about five years, this includes Interstate and diehard brands. I tend to buy the best battery I can find just to avoid problems.

I did not think there was an Optima application for the 2011 up Mustangs. When I looked the closest model had the terminals backwards.

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