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Battery Placement After Turbo Help

Battery Placement After Turbo Help

Old 06-28-2012, 09:51 PM
  #1  
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Battery Placement After Turbo Help

Hello,

Long time reader, new poster. While this post is somewhat long winded, I am trying to give as much information as possible to clarify the issue that I am experiencing.

I had a turbo kit installed in early March of this year, and was informed that my stock battery would no longer fit due to the exhaust manifold being too large (picture 1 below). They advised that in order to make things work, I would need a new battery. Without asking for specific information, I gave the go-ahead to "do what it takes to make things work correctly". Everything was working great up until about three weeks ago where I was having issues with the car starting. My car now no longer starts on its own and I have two different mechanics corroborating that the alternator is fine and that my battery is indeed dead, permanently.

It has now come to my attention that this battery is an Odyssey PC680 (http://www.odysseybatteries.com/battery/pc680.htm) intended for ATVs/motorcycles, etc. So while I work out my warranty with Odyssey on getting a replacement, I am looking at a few different options on what to do next.

My main objective is to find a sustainable solution which will last for years to come and account for possible engine upgrades in the future. I looked into a different Odyssey battery in hopes the company would let me "upgrade" under warranty and pay the difference in price. With the batteries current placement, I'm working with approximately 8" long x 5" wide x 8" tall for dimensions. This is by no means a perfect measurement but it gives a ballpark range of what will fit. The closest I could find from Odyssey is the PC925LMJT (http://shop.odysseybattery.com/produ...5.0.0.0?pp=25&).

I did some searching on these forums and found some people prefer the Optima batteries. The closest I could find that would fit my preferred dimensions is the Optima Yellow Top D51 (http://www.optimabatteries.com/_medi...s/D51_D51R.pdf). Although its slightly larger than what I had hoped for, I think I can make it work.

My last option would to be to relocate the battery (picture 2 below) near the front bumper of the car which appears to have plenty of room but I honestly know nothing about battery relocation.

That's where you guys come in. Has anyone had the same issue as me or does anyone have a solution which they have tried that has worked? I'm looking for some help on the best placement of the battery and people's recommendations on brands. Any help would be greatly appreciated.

Thanks,
Marshall
'03 Berlina Black S2000

Current Placement:


Possible Future Placement:
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Old 06-29-2012, 08:12 AM
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If it were me, I'd put the battery in the trunk. Alternately, you could put two of these small motorcycle batteries under the hood. That would get you the greater capacity, and would work just like the 2-battery setups used in many diesel trucks.

(and you should be prepared to have the warranty claim denied, as you were likely both overdrawing on the battery and charging with too much current.)
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Old 06-29-2012, 08:49 AM
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Put it in the trunck. The weight of the battery in the rear will offset the weight of the turbo that was installed in the front, which will give the car better weight ratio as it did before you installed the turbo.
You will also get better battery life because the extra heat of the turbo will cause a early death to a battery.

Last edited by will williams; 06-29-2012 at 09:00 AM.
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Old 06-29-2012, 08:53 AM
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just get a new PC680 from odyssey. it should not have died in 5 months.

it is plenty to start your car, just keep in mind not to listen to the radio or or raise/lower the top with the engine off.
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Old 06-16-2013, 03:12 PM
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Mine went in the trunk, passenger side. I ran a wire up through the standard cable routing tunnels and through the firewall to where the battery normally is. From there, I have a fused splitter that branches off, one going to the fuse box and the other going to the engine and EPS harness.

This was coupled with a fuse box relocation, with me putting the fuse box in the fender and removing the wiper reservoir.
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