R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 What is under the body under the rear seats?

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Old Sep 16, 2007 | 08:04 AM
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What is under the body under the rear seats?

im building something for my sub box, and i want it bolted down very good so its secure, and im going to start building a base today for the box to sit on using 2x4s to brace it, and i need to know, is it going to be hard to get under there (jacked up of course) and bolt thru the floor around where the back bottom part of the seats are?
 
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Old Sep 16, 2007 | 08:09 AM
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I haven't been under a MINI in a while, but I think the gas tank is under the body directly below the rear seat.
 
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Old Sep 16, 2007 | 08:11 AM
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ouch, not good.

ill have to find a better way to brace! might have to weld something, then bolt to that?
 
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Old Sep 16, 2007 | 09:49 PM
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If the box is going in the trunk area you could remove the muffler and bolt through the floor there. The muffler can simply go back in, it hangs I think so there shouldn't be a clearance issue.

At the very least, you could build a metal rig that bolts here and then goes over the entire seat area. Just how big of subs are you putting in? I dislike lots of bass. My friend's '90 Accord has 2 12" subs, I can feel my eyes vibrating in that car.
 

Last edited by nabeshin; Sep 16, 2007 at 09:52 PM.
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Old Sep 17, 2007 | 05:30 AM
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the box will be where the rear seat was.

its an 18" sub lol
 
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Old Sep 17, 2007 | 07:43 AM
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You've got a body under your rear seat???
 
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Old Sep 17, 2007 | 07:46 AM
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Originally Posted by pimpedout97x
ouch, not good.

ill have to find a better way to brace! might have to weld something, then bolt to that?
can you make a platform and strap it to the hooks on the chassis?

i only use small subs (not a basshead) and typically only mount it to
the trunk floor (the panel, not the chassis itself). the rear seat is
always upright and seatbelts fastened, so im not worried about the
sub smashing into my head in a severe rear-end collision.
 
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Old Sep 17, 2007 | 09:02 AM
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Um....

Originally Posted by pimpedout97x
the box will be where the rear seat was.

its an 18" sub lol
 
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Old Sep 17, 2007 | 10:22 AM
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Originally Posted by 70spop
You've got a body under your rear seat???
what?????


Originally Posted by rustyboy155
Um....
ya either like it or ya dont, what can i say to each his own.
 
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Old Oct 16, 2007 | 07:26 AM
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before you lose your whole rear seat, you should check out jl audios stealth box for the cooper. i have mine on order =D yes, im paying like 400 but its a custom box that sounds great and includes the sub. im totally excited =)
 
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Old Oct 16, 2007 | 09:56 AM
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I think welding near the gas tank is lots safer than bolting near it.
Let us know how it turns out.
 
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Old Oct 16, 2007 | 07:31 PM
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check my wall worklog, pics in there of how i bolted.
 
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Old Oct 16, 2007 | 10:05 PM
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Originally Posted by pimpedout97x
the box will be where the rear seat was.

its an 18" sub lol
i think at this point your biggest worry is blowing the gas tank with the bass.
 
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Old Oct 17, 2007 | 10:48 AM
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hahahah
 
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Old Oct 19, 2007 | 09:13 AM
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Originally Posted by rl48mini
I think welding near the gas tank is lots safer than bolting near it.
Let us know how it turns out.
fire + gas tank = ??
 
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Old Oct 19, 2007 | 08:53 PM
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= no more mini, lol
 
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Old Oct 20, 2007 | 12:50 AM
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I will second the JL Audio Stealthbox, (pics in my gallery). If I crank up the amp it will shake everything, I'm running at approximately 50% power from a 325 watt amp, and it sounds great.

...but it may not be able to shake the car next to you, if thats what you want more power to ya, and don't forget to install a cap for that amp.
 
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Old Oct 20, 2007 | 01:32 PM
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im gonna get a bigger battery, and down the road, a bigger alternator.

i dont like caps.
 
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Old Oct 20, 2007 | 08:02 PM
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If you don't mind me asking. Why do you dislike caps?
 
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Old Oct 20, 2007 | 09:41 PM
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i dont know, i just think they're a waste of money. id rather get a battery and bigger alt instead. alot of people who are really into car audio hate caps...i just dont see the need for them. they dont really help as much as people think they do...
 
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Old Oct 21, 2007 | 02:00 AM
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Ok, have you noticed if the big alt/battery is preferred for all sizes of system or more when you get into the larger setups? I understand what a cap does and am wondering if they are useful up to a point or if they've been replaced by the big alt/battery setup.

I'm asking because I'm not heavy into the big systems so it's a little out of my realm of current information.
 
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Old Oct 21, 2007 | 08:44 AM
  #22  
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yea pretty much when you get into a lot of power, you upgrade alt/batts

caps are more generally used in smaller setups, ill have 4 amps, and 2500+ w rms

my truck on the other hand, will have about 12 amps and about 14,000wrms. gonna need a ton of batts for that
 
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Old Oct 23, 2007 | 08:33 PM
  #23  
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Originally Posted by pimpedout97x
the box will be where the rear seat was.

its an 18" sub lol

holy s**t!!! get pics when your done!
 
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Old Oct 24, 2007 | 11:40 AM
  #24  
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https://www.northamericanmotoring.co...=114128&page=7
 
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Old Oct 24, 2007 | 07:03 PM
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Consider the Digital Power Sound Module. It kicks ***, just remember to turn it down before you climb out. Rude early in the Morning.
 
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