f22a1 ftw

i relocated my battery to my trunk earlier today with some 4g wire spare Rockford fosgate disb blocks etc. but i was wondering i have just a regular battery (going to upgrade to optima soon) should i have it in a vented box like some people have been telling me or what? also since i recycled my old amp supplies to run this battery should i throw the inline 100amp fuse in there also from the bay to the trunk?
just as a safty thing or is there no real need


also if someone is bored tell me if my setup is good

from the factory power wires in the hood where the 3 wires come to one then go onto the "+"(positive) side of the battery i have them cut going into a distribution block going into a 4g wire from there it is ran though the firewall then under the rhs of the cab under the side of the carpet where it cant be pinched then under the back seat then for now is unsecured from there to the battery's "-" (negative) side then from there,there is approximately 2 1/4 foot of wire running to the chassis as ground im also using the stock battery tray with a modified securing bracket

so if ^^^ that looks right tell me if not tell me what i should have done or how to fix the problem thanks

also the car atm is sitting in my garage im getting ready to fix everything that is wrong with it rotors bearings plugs wires gaskets etc trying to get it fixed as much as possible so if i find me a eg6 i could trade+cash for it

alvarado626

I Just Did Mine Last Week I Used 2g Using My Old Very Clean Battery
i Connected The Old - negative Cable From The Chassis to The Upper Bolt Holding the starter 2 AWG Tinned Lug Cable Crimp Connector End 3/8 and Also Used
Stud Type Junction Block - #3/8-16 Stud 250 Amp Maximum
Military Battery Terminals Mil Spec Battery Terminals
12V CIRCUIT BREAKER FUSE 80 AMP Since My Car Run On 80 AMP I Was Told to Use The Same Amperage Fuse......... Rubber Grommet I Guess That About It[IMG][/IMG] I Bought The Box at Pep Boys for $$$15 I'll Post More Pics Before The Weekend

double b from wv

i can only speak from the electical/wiring side (my battery's still under the hood in mine), but it sounds pretty good to me. one thing i would do is probably go with a 2 gauge wire for a run that long. you also want to make sure that your ground is at least the same gauge, if not a larger diameter, than the power wire. also make sure the ground is shorter than the power (should be already if grounded in the trunk).

the fuse... i would probably go ahead and put it in-line, since you have it just laying around anyway. it cant hurt. theoretically, the car's electrical system has everything fused already, so it would be overkill pretty much. however, since the cable is so long, and ran through the car where there is more of a chance of pinches or cuts (vs just setting close by under the hood), a fuse in the power line isnt a bad idea.

i do have my own question though. does putting the battery in the trunk keep the battery any cooler than under the hood? my CAI filter sets right behind the battery, and the stock air pipe (that fed the stock air box) feeds air in right behind the battery. im just wondering if it stays cooler under the hood, where the air flows by it ,but also engine heat is around, or in the trunk with no air flow, but no engine heat either?

you guys are doing this for the weigh distribution, right?

EDIT: alvarado626, is the battery strapped to the car, or is that just to keep the lid on it? is the case attached to the car in any way?

alvarado626

My Brother Does Iron Work so He Welded a couple rectangular blocks out one inch and over the blocks screwed a half inch plywood Then I Just Bolted The Box Over The Plywood it's pretty solid pretty strong .
Like i Sad I'll Post More Pics Tomorrow
My Lincoln LS I Used to Drive Before Battery Was in The Trunk Also All BMW has them
If Ur Into DIY Get Project Car Mag Honda Tuning Mag Sucks

f22a1 ftw

no it isn't to disb weight across but i guess it could function as that but its more of making the engine bay look cleaner and adding room and i'd think the trunk is cooler then the bay even with a good airflow on the battery it'd be colder in the trunk

but like i said i did this to make it look cleaner and also waste some free time

thanks for the replys going to put the fuse in right before the battery becuase i dont feel like wasteing expensive rockford wires

likwid2u

optimas usually come with a bracket on top of them that you could use as a battery tray for the trunk..... try and get the optima as fast as you can cause the water from your battery will leak and when you hit bumps or dips you will taste the battery acid in the air also if the acid leaks you will most likely start to rust the spare tire well...... trust me ive done it..... as for function the best things about trunk mounted batteries is lets say your battery gos dead in a parking spot, anybody can just pull up behind your car and give you a jump with out you having to push the car back or anything, it really doesnt distribute any weight to the back of the car

f22a1 ftw

ik i did it for looks and extra room in the bay and i already had all but like 3 wires ran (because of the preexisting amp)

double b from wv

ive never heard of people relocating the battery for any reason other than weigh distribution and temperature. i guess the 'clean look' in the engine bay, and the convenience of the 'trunk jump', are other perks.

ive always seen people put the battery on the passenger side of the trunk to spread the weight from front to back, and counter the weight of the driver (at least a little). idea being that every little bit helps with balancing the car, making more stable in turns and stuff.

alvarado626

U r Right I'm Gonna Have to Get an Optima Battery ASAP

f22a1 ftw

yeah good point but i did it for looks tbh and i did put it on the passenger side for that reason also just becuase thats which side of the bay it was on

but what part of WV u live in?