Unique battery mount question...
#2987317
11/20/21 09:57 PM
11/20/21 09:57 PM
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Joined: Aug 2003
Posts: 3,245 Between a rock & a hard place
cudadoug
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OP
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Between a rock & a hard place
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Anyone ever mount a battery (lightweight mini or otherwise) directly below the OE location?? Like mounting the tray to the frame rail and/inner fender??
I like the idea of the battery down there as I don’t like the look in the stock spot. And I’d rather not put in in the trunk, so I was thinking a lightweight mini battery down there.
Experience? Thoughts??
Thanks!
Last edited by cudadoug; 11/20/21 09:58 PM.
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Re: Unique battery mount question...
[Re: cudadoug]
#2987341
11/20/21 11:45 PM
11/20/21 11:45 PM
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Joined: Oct 2007
Posts: 4,210 New York
polyspheric
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Not experience, I agree but the plates should be aligned with the wheelbase (opposite of shown) to prevent G force from trying to snap them off.
Boffin Emeritus
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Re: Unique battery mount question...
[Re: polyspheric]
#2987475
11/21/21 12:52 PM
11/21/21 12:52 PM
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Joined: Jan 2003
Posts: 31,071 Oregon
AndyF
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I Win
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Not experience, I agree but the plates should be aligned with the wheelbase (opposite of shown) to prevent G force from trying to snap them off. What plates?
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Re: Unique battery mount question...
[Re: AndyF]
#2987480
11/21/21 01:14 PM
11/21/21 01:14 PM
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Joined: Aug 2003
Posts: 3,245 Between a rock & a hard place
cudadoug
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I used a small racing battery in my Duster and built a small tray for it that mounted in roughly the stock location. I decided that it made a lot more sense to put a small battery up front than a regular battery in the trunk. When you weigh all the extra cables, switches and stuff it works out to be less weight to have a small battery up front. Yes, bonus on the overall weight which is the main reason I was thinking a light battery. Is that a 17 or 18 Braille? Work out okay?
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Re: Unique battery mount question...
[Re: topside]
#2987618
11/21/21 07:07 PM
11/21/21 07:07 PM
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Joined: Jan 2003
Posts: 7,498 Minnesota
Hemi_Joel
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I put a 4.5 pound lithium on the inside of the frame rail, under the drivers side floor. I mounted the master switch there as well with a remote control rod protruding thru the back of the car. Less cable = less weight and less voltage drop.
[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"
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Re: Unique battery mount question...
[Re: Hemi_Joel]
#2987633
11/21/21 08:36 PM
11/21/21 08:36 PM
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Joined: Aug 2003
Posts: 3,245 Between a rock & a hard place
cudadoug
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I put a 4.5 pound lithium on the inside of the frame rail, under the drivers side floor. I mounted the master switch there as well with a remote control rod protruding thru the back of the car. Less cable = less weight and less voltage drop. 4.5 pounds??!! May I ask what battery that is??
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Re: Unique battery mount question...
[Re: cudadoug]
#2987637
11/21/21 08:59 PM
11/21/21 08:59 PM
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Joined: Jan 2003
Posts: 7,498 Minnesota
Hemi_Joel
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That would be the anti-gravity. It cranks my 13 and 1/2 to 1 Hemi over like the plugs were out of it.
[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"
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Re: Unique battery mount question...
[Re: Hemi_Joel]
#2987714
11/22/21 08:46 AM
11/22/21 08:46 AM
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Joined: Aug 2008
Posts: 4,075 Mo.
racerx
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I put a 4.5 pound lithium on the inside of the frame rail, under the drivers side floor. I mounted the master switch there as well with a remote control rod protruding thru the back of the car. Less cable = less weight and less voltage drop. Kind of liking this ideal i'm in need of a battery for next year anyway . plus the ideal of less voltage drop is a win ,win Good post.
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Re: Unique battery mount question...
[Re: racerx]
#2987743
11/22/21 10:10 AM
11/22/21 10:10 AM
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Joined: Jan 2003
Posts: 10,752 North Dakota
6PakBee
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I Live Here
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Wow. I just looked at their equivalent for a stock Group 24 battery. Over $800 for their Group-35/Q85. But in the right application, a big stroker comes to mind, it may be a good option.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Unique battery mount question...
[Re: 6PakBee]
#2987767
11/22/21 11:35 AM
11/22/21 11:35 AM
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Joined: Jan 2003
Posts: 7,498 Minnesota
Hemi_Joel
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To keep the cable short, I mounted the NHRA mandatory cut off switch right next to the battery. The shaft of the switch is oriented vertically, protruding through the floor. A 5/16 inch by 030 wall stainless tube runs from the switch lever, under the seat, back through the trunk, and out the back of the car, and as a T handle on it to operate it remotely. A side benefit is that I can reach to turn it off and on from the driver's seat. The stainless tube weighs barely more than a pound.
[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"
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Re: Unique battery mount question...
[Re: Hemi_Joel]
#2987768
11/22/21 11:40 AM
11/22/21 11:40 AM
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Joined: Jan 2003
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Hemi_Joel
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Roger, if you have an alternator, I don't see why you would need that big group 24. 900 cranking amps from the little 4 and 1/2 lb, $350 ATX 20 is more than enough for any racing engine. Unless you are ice racing in Beulah North Dakota when it's 30 below.
[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"
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Re: Unique battery mount question...
[Re: Hemi_Joel]
#2987800
11/22/21 12:58 PM
11/22/21 12:58 PM
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Joined: Sep 2003
Posts: 19,589 north of coder
moparx
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"Butt Crack Bob"
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two questions if i may, Joel. is that stainless tube seamless ? and pertaining to that ATX battery, how does that last if one does mostly street driving ? i wouldn't like having to buy a battery every couple of years. as to the battery mounting, the inner fender of my charger under the factory battery tray, is crusty from the battery, so i was going to cut that out and mount a smaller battery directly on the front rail.
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Re: Unique battery mount question...
[Re: moparx]
#2987808
11/22/21 01:22 PM
11/22/21 01:22 PM
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Joined: Jan 2003
Posts: 7,498 Minnesota
Hemi_Joel
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X, I think it was seamless tube. The battery operates fine off of an alternator. I bought the battery in early 2017. They said it should last up to 10 years. After October 2018, I didn't try to use it again until mid 2021. It wouldn't hold a charge. I called them, they said send them the battery. After testing it, they said I should have had it on a charger more frequently for long term storage. I think I charged it once or twice in the 2-1/2 years. They offered me 40% credit on a replacement due to the battery being over 4 years old. I thought that was fair enough. The battery I bought from them in 2017 was an ATX-20 with 720 CCA. I used the 40% credit on an upgrade to the ATX-20-HD to get the 900 CCA, even though the old one was enough. It wasn't that much more $, especially with the 40% off. The new battery will get charged monthly when in storage! Hoping to get 10 years.
[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"
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