Welcome to Mustang Evolution.
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04-02-2005, 06:57 PM
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#1
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battery relocation
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Registered User
Join Date: Jul 2004
City: New Castle,DE
Posts: 46
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has anyone relocated there battery to there trunk?? what kit did you get and were did you run the wires??
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I have the need for speed!  2000 Black GT. Steeda tri ax, Mac cat back, K & N CAI. Diablosport chip, shift light,U/L rear control arms, steeda wing, 3:73 in da rear, no money I have a baby!
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04-02-2005, 07:32 PM
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#2
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I can has Mustang?
Join Date: May 2003
City: Huntsville
State: Alabama
Posts: 26,862
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whipster24 has done it 
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04-02-2005, 11:40 PM
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#3
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Legacy Member
Join Date: Oct 2003
Posts: 2,080
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Do you want to be track legal? If so, you need a shut off switch somewhere on your trunk. I can talk more about it later but it's late now and I'm off to bed. IM me if you want to know what I did with it. You can see a few pics on my cardomain page
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"This year will go down in history. For the first time, a civilized nation has full gun registration. Our streets will be safer, our police more efficient, and the world will follow our lead into the future!"
-Adolf Hitler, 1935
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04-03-2005, 11:53 AM
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#4
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Registered User
Join Date: Jul 2003
Posts: 253
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You're also supposed to have a sealed battery box in the trunk. I don't think its worth the extra weight of cables and a box, I would just get a lighter battery and keep it up front.
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Justin Starkey
VMP Tuning - SCT Custom tuning, Mobile Dynojet 224xLC, SCT's #2 custom tuning dealer for 2006, Phone: 321-206-9369 Email: Justin@VMPTuning.com
2000 Mustang 3.8 A4 TT 450RWHP/475RWTQ 10.996@127 17psi stock 3.8
2006 F250 CC 4x4 6.0L 14.3 @ 93
2006 Mustang 4.0 M5 Vortech 13psi 350RWHP/346RWTQ wife's car
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04-03-2005, 12:16 PM
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#5
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Legacy Member
Join Date: Oct 2003
Posts: 2,080
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You have to remember though, moving the battery to the trunk and putting it on the passenger side has twice the effect of just taking the battery weight out of the engine bay. Not only are you subtracting the weight from the front and over the driver side front tire but you are adding the weight back on over top of the rear passenger tire. This helps balance the car both longitudinally and laterally.
Plus it gives room in the engine bay for cool things like a turbo or aftercooler water tank 
To do it with the shutoff you will need to run two lines back to the trunk, one with 2 gauge, and one with 4-8 gauge.
You disconnect the line from the alternator to the fusebox and run a line from the fusebox to the switch. This is 2 gauge. You need a heavier gauge for this wire cuz it will see the larger current during startup.
The 4-8 gauge cable runs from the alternator to the same post on the shutoff switch.
Then the other post on the shutoff switch goes to the positive lead of the battery. The negative is grounded to the car's frame. I hooked it to the back bumper cuz I could actually get a good hole through there. Make sure to use a grommet.
You will need to seal the box and run a hose through the floor of the trunk for a vent.
I ran the cables through the grommet on the driver side of the firewall where I cut a hole through it. Then run them under the door, just like sub wiring.
Don't use the summitt relocation kit with the plastic battery box. It isn't sealed and it isn't even big enough for our battery's. I'd suggest grabbing one of the sheet metal boxes.
__________________
"This year will go down in history. For the first time, a civilized nation has full gun registration. Our streets will be safer, our police more efficient, and the world will follow our lead into the future!"
-Adolf Hitler, 1935
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04-03-2005, 12:17 PM
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#6
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Legacy Member
Join Date: Oct 2003
Posts: 2,080
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And the cables plus the battery box maybe weighs 10 pounds. The battery is around 30 lbs or more. Moving it to the trunk has about the same effect as taking 60 pounds out of the engine bay.
__________________
"This year will go down in history. For the first time, a civilized nation has full gun registration. Our streets will be safer, our police more efficient, and the world will follow our lead into the future!"
-Adolf Hitler, 1935
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04-03-2005, 01:26 PM
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#7
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WTF^^...
Join Date: May 2003
City: Hoover / Florence
State: Alabama
Posts: 26,873
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you run into long crank issues
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2003 REDFIRE COBRA #3938 of 5082 @ 05/27/2003 1 of 414
Polished Borla Stingers, MGW Shifter, JLT CAI, SS Inserts, MM FLSFC, MM CC Plates,
10th Anniv Brakes, SS Lines, H&R Race springs, IRS Brace, MRT Hood Struts
ME.com Member #29 - 400rwhp/380rwtq
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04-03-2005, 01:48 PM
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#8
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Legacy Member
Join Date: Oct 2003
Posts: 2,080
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Mine turns right over. You just have to use big enough cable.
__________________
"This year will go down in history. For the first time, a civilized nation has full gun registration. Our streets will be safer, our police more efficient, and the world will follow our lead into the future!"
-Adolf Hitler, 1935
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04-03-2005, 01:51 PM
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#9
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Registered User
Join Date: Jul 2004
City: New Castle,DE
Posts: 46
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thanks for all your help whipster!
__________________
I have the need for speed! 2000 Black GT. Steeda tri ax, Mac cat back, K & N CAI. Diablosport chip, shift light,U/L rear control arms, steeda wing, 3:73 in da rear, no money I have a baby!
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