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Re: Relocating battery to trunk [Re: larrymopar360] #2858939
12/12/20 01:13 PM
12/12/20 01:13 PM
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Posts: 11,678
W. Kentucky
justinp61 Offline
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Originally Posted by larrymopar360
Hopefully the box will protect any type of leakage. I really want the weight transfer. I didn't know the AMG batteries were that small and light weight.


If the battery is bolted down per NHRA you will have to drill through the box and if your battery leaks or vents acid it will leak around the bolts that hold the battery down. Mine did.

Re: Relocating battery to trunk [Re: moparx] #2858941
12/12/20 01:15 PM
12/12/20 01:15 PM
Joined: Jul 2008
Posts: 30,247
Florida STAYcation
dIc dOc Deity ! Offline
The village idiot's idiot
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Oh my gooooness ... butt crack Bob with acidic and flammable gasses ? !! eek

And larryLOVEit..... you haven’t got that done yet ? .....

Forgive me fur asking.... I realize yer very tIrEd !

Re: Relocating battery to trunk [Re: dIc dOc Deity !] #2859000
12/12/20 03:36 PM
12/12/20 03:36 PM
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Posts: 15,713
Central Florida
larrymopar360 Offline OP
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Originally Posted by Doc Fiberglass
Oh my gooooness ... butt crack Bob with acidic and flammable gasses ? !! eek

And larryLOVEit..... you haven’t got that done yet ? .....

Forgive me fur asking.... I realize yer very tIrEd !
Nope. Just finished frame ties on AHB! Loving those. Just finished the fiasco of changing out headlight adjusters on Power Wagon. PITA. Change oil on Charger. Oh yeah, and working 50 to 60 hour weeks.

P.S. A big thanks to MarkZ for his excellent fab work making the frame ties come true on my AHB!

Last edited by larrymopar360; 12/13/20 11:14 AM.

Facts are stubborn things.
Re: Relocating battery to trunk [Re: larrymopar360] #2859044
12/12/20 05:49 PM
12/12/20 05:49 PM
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Pikes Peak Country
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TC@HP2 Offline
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Always did this in my race cars. My current street car was under consideration for it and I browsed around and nabbed a few different style of wiring diagrams for it. Since I work slow as a five day fart, I never got it finished and eventually decided to abandon the whole remote idea for a 17# Braille battery in the stock location sitting in a custom tray and hold down. Doing this eliminated a mess of wiring changes, battery box mounting and venting, remote disconnect mounting and the resulting body modification required for remote access to the switch, and rear seat firewall fabrication.

If your interested, here are diagrams:


trunkbatmoparcutoffswitch.jpgtrunkbattwires4post.jpgtrunkbattwiresMADdiagram.jpgtrunkbattwiresolenoid.jpg
Re: Relocating battery to trunk [Re: TC@HP2] #2859336
12/13/20 12:43 PM
12/13/20 12:43 PM
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Posts: 15,713
Central Florida
larrymopar360 Offline OP
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Thanks TC@HP2.

I really want that weight transfer to right rear.


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Re: Relocating battery to trunk [Re: larrymopar360] #2859367
12/13/20 01:27 PM
12/13/20 01:27 PM
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Brookeville, Md
Mr.Yuck Offline
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Why? it is kinda a PITA and if you don't need to why bother? You will also have to put an on/off switch at the rear bumper if you plan on racing anywhere.


[IMG]http://i66.tinypic.com/pui5j.jpg[/IMG]
Coming soon!!!!
Re: Relocating battery to trunk [Re: larrymopar360] #2859380
12/13/20 01:50 PM
12/13/20 01:50 PM
Joined: Oct 2003
Posts: 11,678
W. Kentucky
justinp61 Offline
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My Dart is a street/strip deal that runs in the mid 6.20's in the 1/8 and knowing what I do now I wouldn't do it again. Starting from scratch maybe, but for me it wasn't worth all the work and expense. twocents

Re: Relocating battery to trunk [Re: Mr.Yuck] #2859381
12/13/20 01:52 PM
12/13/20 01:52 PM
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Posts: 15,713
Central Florida
larrymopar360 Offline OP
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Originally Posted by Mr.Yuck
Why? it is kinda a PITA and if you don't need to why bother? You will also have to put an on/off switch at the rear bumper if you plan on racing anywhere.
Why do I want better weight balance? Better handling, better traction (no, I'm not going to race but for the street traction is good too, especially when it's wet!). Has sure-grip rear, but I like to run fairly stock size tires, 235/70/15, and with the torque my engine makes, I can use the weight back there! And I won't need the kill switch.


Facts are stubborn things.
Re: Relocating battery to trunk [Re: justinp61] #2859382
12/13/20 01:55 PM
12/13/20 01:55 PM
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Posts: 15,713
Central Florida
larrymopar360 Offline OP
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Originally Posted by justinp61
My Dart is a street/strip deal that runs in the mid 6.20's in the 1/8 and knowing what I do now I wouldn't do it again. Starting from scratch maybe, but for me it wasn't worth all the work and expense. twocents
Why is it that much work? I see some really nice kits out there on Summit and Jegs. Quality ones. Yes pricey, but that aside, is it really that much work?


Facts are stubborn things.
Re: Relocating battery to trunk [Re: larrymopar360] #2859393
12/13/20 02:06 PM
12/13/20 02:06 PM
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Posts: 30,247
Florida STAYcation
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larry ... I see ur not LUVIN this frustration shruggy

I know of a apimp who lives on the BESTest coast of Florida who would take that PITA off your hands for a tidy sum !! up

Re: Relocating battery to trunk [Re: dIc dOc Deity !] #2859421
12/13/20 02:59 PM
12/13/20 02:59 PM
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Posts: 7,471
Minnesota
Hemi_Joel Offline
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What you are talking about doing, putting a battery in the trunk, is now totally obsolete. Get a 5 lb, 4" x 5" x 7" lithium battery, mount it up front, or under the car in the inside of the frame rail near the starter. You save 20+ lbs of cable, 50 pounds of battery, reduce complexity, and its cheaper in the long run. Because it lasts 10 years and less wiring cost.

This little Anti Gravity battery spins my 13:1 Hemi over like the plugs are out of it:
https://www.amazon.com/Antigravity-Batteries-Lithium-Motorsports-Battery/dp/B06XKQNJXY


[img]http://i.imgur.com/boeexFms.jpg[/img]
31 Plymouth Coupe, 392 Hemi, T56 magnum
RS23J71
RS27J77
RP23J71
RO23J71
WM21J8A
I don't regret the things I've done. I only regret the things I didn't do.
"Wise men talk because they have something to say; fools because they have to say something. ~ Plato"
Re: Relocating battery to trunk [Re: Hemi_Joel] #2859437
12/13/20 03:29 PM
12/13/20 03:29 PM
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Central Florida
larrymopar360 Offline OP
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I don't mean to drag this on, but I'm not familiar with lithium car batteries, and tried just reading a bit. Clear one thing up please. Are they also known as AGM's or completely different technology?

I'm liking the 5 lbs! I see I'd need to buy new battery charger. Reading more about them.

Last edited by larrymopar360; 12/13/20 03:32 PM.

Facts are stubborn things.
Re: Relocating battery to trunk [Re: dIc dOc Deity !] #2859439
12/13/20 03:31 PM
12/13/20 03:31 PM
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Posts: 11,678
W. Kentucky
justinp61 Offline
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Yes it is a lot of work, running down the parts, pulling the wires making all the connections and more.

IMG_2493.JPG
Re: Relocating battery to trunk [Re: justinp61] #2859440
12/13/20 03:34 PM
12/13/20 03:34 PM
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Posts: 15,713
Central Florida
larrymopar360 Offline OP
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Originally Posted by justinp61
Yes it is a lot of work, running down the parts, pulling the wires making all the connections and more.

Okay, when can you come over? laugh

Thanks for pic. I'm reading about the lithium batteries and link posted. Just want to lose some weight. The big Interstate I have must be 25lbs (or more?)


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Re: Relocating battery to trunk [Re: larrymopar360] #2859456
12/13/20 03:52 PM
12/13/20 03:52 PM
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Minnesota
Hemi_Joel Offline
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Originally Posted by larrymopar360
I don't mean to drag this on, but I'm not familiar with lithium car batteries, and tried just reading a bit. Clear one thing up please. Are they also known as AGM's or completely different technology?

I'm liking the 5 lbs! I see I'd need to buy new battery charger. Reading more about them.


Larry, AGM is completely different than lithium ion. AGM is still a lead acid battery, and is heavy and big. LI is a whole different animal. Very small and light. It will operate off of the cars alternator. But for charging outside the car, it needs it's own dedicated charger. And if you run it down below a certain voltage, it shuts off and needs the special charger to wake it up. That's because the battery has a microprocessor or something in side to protect the cells.
I used this thing in my drag week car, and it worked out fine, and saved 50 pounds.


[img]http://i.imgur.com/boeexFms.jpg[/img]
31 Plymouth Coupe, 392 Hemi, T56 magnum
RS23J71
RS27J77
RP23J71
RO23J71
WM21J8A
I don't regret the things I've done. I only regret the things I didn't do.
"Wise men talk because they have something to say; fools because they have to say something. ~ Plato"
Re: Relocating battery to trunk [Re: Hemi_Joel] #2859589
12/13/20 09:38 PM
12/13/20 09:38 PM
Joined: Dec 2003
Posts: 1,400
Wi.
old_racer Offline
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Joel, how does it hold up in between rounds running a electric water pump and fan ?

Re: Relocating battery to trunk [Re: old_racer] #2859611
12/13/20 10:18 PM
12/13/20 10:18 PM
Joined: Jan 2003
Posts: 7,471
Minnesota
Hemi_Joel Offline
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Originally Posted by old_racer
Joel, how does it hold up in between rounds running a electric water pump and fan ?


You are safe for 10 minutes of fan and water pump, more than that is a risk. I forgot the water pump on once in the staging lanes during Drag Week. There was a long down time, maybe 1/2 hour or 45 minutes and I went wandering around. When I got back it wouldn't start. It did not get so low that it locked up the battery. A jumper pack started the car to make the pass. I had the special charger in the pit area, along with a jumper pack that has a 110 volt inverter, so I used that to give the battery a good charge.


[img]http://i.imgur.com/boeexFms.jpg[/img]
31 Plymouth Coupe, 392 Hemi, T56 magnum
RS23J71
RS27J77
RP23J71
RO23J71
WM21J8A
I don't regret the things I've done. I only regret the things I didn't do.
"Wise men talk because they have something to say; fools because they have to say something. ~ Plato"
Re: Relocating battery to trunk [Re: Hemi_Joel] #2860254
12/15/20 12:29 PM
12/15/20 12:29 PM
Joined: Jan 2011
Posts: 15,713
Central Florida
larrymopar360 Offline OP
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Originally Posted by Hemi_Joel
Originally Posted by larrymopar360
I don't mean to drag this on, but I'm not familiar with lithium car batteries, and tried just reading a bit. Clear one thing up please. Are they also known as AGM's or completely different technology?

I'm liking the 5 lbs! I see I'd need to buy new battery charger. Reading more about them.


Larry, AGM is completely different than lithium ion. AGM is still a lead acid battery, and is heavy and big. LI is a whole different animal. Very small and light. It will operate off of the cars alternator. But for charging outside the car, it needs it's own dedicated charger. And if you run it down below a certain voltage, it shuts off and needs the special charger to wake it up. That's because the battery has a microprocessor or something in side to protect the cells.
I used this thing in my drag week car, and it worked out fine, and saved 50 pounds.
Thank you! Very intrigued by these lithium batteries now, and reading more on them, and really leaning toward one of these now that you have me looking at them! I read about requirement for unique charger. This sounds like a great option over the moving standard battery to trunk. Thanks! Larry


Facts are stubborn things.
Re: Relocating battery to trunk [Re: larrymopar360] #2863503
12/22/20 06:30 PM
12/22/20 06:30 PM
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Posts: 15,713
Central Florida
larrymopar360 Offline OP
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Pulled the trigger on a lithium battery. All your fault Hemi-Joel laugh

My Diplomat is Group-34, so is this Braille, ultra powerful (and expensive), but I got it at a big discount, and with a charger thrown in (go to their website and "chat" and work a deal if you're interested in buying one). It's 11 pounds so I'm going to be losing probably at least 35 pounds from the huge Interstate I have now and that's going south on me. I'll be able to keep my factory Thermoguard for looks smile

https://braillebattery.com/products/i34x

Thanks for help all.

Larry


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Re: Relocating battery to trunk [Re: larrymopar360] #2863506
12/22/20 06:36 PM
12/22/20 06:36 PM
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck Offline
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Originally Posted by larrymopar360
Originally Posted by Mr.Yuck
Why? it is kinda a PITA and if you don't need to why bother? You will also have to put an on/off switch at the rear bumper if you plan on racing anywhere.
Why do I want better weight balance? Better handling, better traction (no, I'm not going to race but for the street traction is good too, especially when it's wet!). Has sure-grip rear, but I like to run fairly stock size tires, 235/70/15, and with the torque my engine makes, I can use the weight back there! And I won't need the kill switch.


you achieve none of the above. You can go get a modern battery that weighs nothing. There are better ways to archive handling and traction. The only reason I moved my battery to the trunk is because I needed space for the Paxton. In my last build, 70 Charger that ran 11.20's the battery was it the stock location. Do as you please it isn't worth the effort.


[IMG]http://i66.tinypic.com/pui5j.jpg[/IMG]
Coming soon!!!!
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