Optima Battery tie down
#1
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Optima Battery tie down
Anyone here fabbed a tied down system for the optima battery? I have no spare tire in the race car and, as I found out Sunday, a bumpy track can dislodge the battery from it's normal resting place. Someone said they got an adapter from Performance Products, but i looked and don't see anything there for the 993. Any suggestions would be appreciated. Pics are always great. TIA
#6
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Originally Posted by ceboyd
I have the optima redtop and the factory tiedown worked just fine (what is wrong with the factory tie down?)
#7
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I recently saw an Optima installed with the factory battery clamp in a 993. The back side lip of the battery was not captured under the lip in the wall of the trunk. This allowed the battery to simply lift up and come loose. Not good.
I installed a spacer behind it to match the thickness (away from the trunk) of the lip in the body. This is better, but not great.
I think that what is needed is a way to make the lip in the trunk body another 1/2 higher. Possibly an s shaped piece which could be installed in the existing lip to provide a higher lip for the battery.
The other alternative is to do what Don P has done and build something serious.
(ooops. Had the wrong battery. Changed it to the correct one.)
I installed a spacer behind it to match the thickness (away from the trunk) of the lip in the body. This is better, but not great.
I think that what is needed is a way to make the lip in the trunk body another 1/2 higher. Possibly an s shaped piece which could be installed in the existing lip to provide a higher lip for the battery.
The other alternative is to do what Don P has done and build something serious.
(ooops. Had the wrong battery. Changed it to the correct one.)
Last edited by ppressle; 06-13-2006 at 03:03 PM.
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#8
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Hi John, I had thought it was PP but i now remeber it was AJ USA that had it....also JEGS has some very nice aluminum holders...they are pricey though...i think the AJ holder was 65ish...good to see you at Beaverun!!
#9
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Have an Optima 75/35 battery in my 993; have used the stock bottom lip mounts with no trouble.
And what the heck are you doing running w/o a spare tire? It's added nose weight for better front/rear weight distribution and if you're in an "incident" it's added front crush resistance.
And what the heck are you doing running w/o a spare tire? It's added nose weight for better front/rear weight distribution and if you're in an "incident" it's added front crush resistance.
#10
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Originally Posted by Ray Calvo
And what the heck are you doing running w/o a spare tire? It's added nose weight for better front/rear weight distribution and if you're in an "incident" it's added front crush resistance.
Besides, it's alot of fun taking out the spare tire, door panels, ballast (84 lbs) and passenger seat after a PCA event and putting them back in again after a NASA event.
BTW, I have the yellow top which, as you can see is a little different than a regular battery
#12
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It is a deep cycle. When I forgot to switch off the cutoff when I stored the car, the transponder, clock etc would drain the regular battery between events. Then, we developed a much quicker draw in the ac wiring that would drain the battery overnight. That has been fixed by pulling some fuses but I went ahead and bought a deep cycle anyway. It was stated that alot of the big car stereo guys/gals use the yellow top.
#13
Marine Optima batteries are "blue" tops.
BTW that Yellow batter might not have enough CCA/CA for your 993. You'll need a bigger one (then you can use the factory battery tie down)
BTW that Yellow batter might not have enough CCA/CA for your 993. You'll need a bigger one (then you can use the factory battery tie down)
#14
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Originally Posted by Steve Nagata
Marine Optima batteries are "blue" tops.
BTW that Yellow batter might not have enough CCA/CA for your 993. You'll need a bigger one (then you can use the factory battery tie down)
BTW that Yellow batter might not have enough CCA/CA for your 993. You'll need a bigger one (then you can use the factory battery tie down)