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sub box?

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Old Apr 12, 2009 | 04:01 PM
  #1  
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sub box?

has any one put your subs up on the flat part between the back seat and the deep well portion?? I dont want to put the sub in the well. i still want to have room for the t tops.

Keith
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Old Apr 12, 2009 | 05:39 PM
  #2  
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Car: 1987 Iroc Z 1990 RS 1991 RS
Engine: 454 soon 496
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Re: sub box?

if u need help i have a program to make a subbox just get the demension plugged in and it shows and tells you what the demensions are.
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Old Apr 12, 2009 | 05:39 PM
  #3  
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Re: sub box?

just give me a pm and ur email addy to send the program GIVING AWAY FREE!!
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Old Apr 13, 2009 | 06:46 AM
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From: Pepperell, MA
Car: 1987 Trans Am
Engine: LQ9/L92
Transmission: 4L60E
Re: sub box?

I don't advise putting a sub box on top of the flat part (over the gas tank). there is no good and safe way to hold it down. If you stop quick or get in an accident, someone will get hurt. There are some really good plans around here to build a flush box. I built my single 12" box to fit in the lower part of the well and had plenty of space to still mount the t-top bag in the stock spot.
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Old Apr 13, 2009 | 10:28 AM
  #5  
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Re: sub box?

Originally Posted by 1A Dan
I don't advise putting a sub box on top of the flat part (over the gas tank). there is no good and safe way to hold it down. If you stop quick or get in an accident, someone will get hurt. There are some really good plans around here to build a flush box. I built my single 12" box to fit in the lower part of the well and had plenty of space to still mount the t-top bag in the stock spot.
There are many different ways you can build or buy a sub box to place in the well and still have room for your T-Tops. I would recommend you looking into that, a simple search in this forum will show you many pictures of what other members have done...IIRC the box that I built you could also place your T-Tops in the right spot but dont quote me on that considering I dont have T-Tops.
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Old Apr 14, 2009 | 12:22 PM
  #6  
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Re: sub box?

I was thinking about using some good strong velcro or a skinny peice of plywood to put between the back seat and it would be good but idk
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Old Apr 14, 2009 | 12:42 PM
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Re: sub box?

I built this, and have yet to screw the brackets in place....but it will still hold my t-tops. i still have access to all the mounts for the straps.

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Old Apr 14, 2009 | 03:26 PM
  #8  
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Re: sub box?

i dont have any straps anywhere. so with the well boxes we still have room for the tops?
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Old Apr 14, 2009 | 03:28 PM
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Re: sub box?

Yes the tops will still lay back there with that box, it helps to have the straps though.....so they won't go flying in an accident.

You can make straps though, possibly even from a set of tie-downs used for trucks to hold cargo....they have the same press-release clips.
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Old Apr 14, 2009 | 04:49 PM
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From: Pepperell, MA
Car: 1987 Trans Am
Engine: LQ9/L92
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Re: sub box?

Originally Posted by mongoosekeith
i dont have any straps anywhere. so with the well boxes we still have room for the tops?
did the t-top bag in your car not have straps? Mine were sewn into the bag itself.
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Old Apr 14, 2009 | 08:16 PM
  #11  
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Re: sub box?

I dont have a bag for mine =( i guess Hawks here i come =)
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Old Apr 14, 2009 | 08:59 PM
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Car: 1991 Camaro Z28 Clone
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Re: sub box?

Originally Posted by 1A Dan
I don't advise putting a sub box on top of the flat part (over the gas tank). there is no good and safe way to hold it down. If you stop quick or get in an accident, someone will get hurt. There are some really good plans around here to build a flush box. I built my single 12" box to fit in the lower part of the well and had plenty of space to still mount the t-top bag in the stock spot.
Do you have pics of your single 12" box? I was thinking about doing that too...
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Old Apr 15, 2009 | 08:00 AM
  #13  
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From: Pepperell, MA
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Re: sub box?

Originally Posted by kaotik
Do you have pics of your single 12" box? I was thinking about doing that too...
I'll see if I can dig anything up. I believe I posted them a couple years back on this site and I've changed computers since, but we'll see what I can find tonight when I get home from work.
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Old Apr 19, 2009 | 10:25 PM
  #14  
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Car: 1985 Camaro Z28
Engine: 355 SD TPI
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Axle/Gears: 4th Gen 3.42 LS1 Brakes
Re: sub box?

why not just put the sub and amp in the spare tire compartment?

https://www.thirdgen.org/forums/car-...-tire-sub.html

makes way more sense, weighs a lot less and frees up so much more use-able space in our cars and makes storing and carrying t-tops so easy.

Its an easy space to make a custom fiberglass enclosure as well.
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Old Apr 20, 2009 | 01:56 AM
  #15  
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Re: sub box?

this is how far mine sticks up and i still have room for the t-tops to be put in the bag and strapped down
(without the amp on top, i moved it)
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Old Apr 20, 2009 | 02:02 AM
  #16  
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From: Bertram (outside Austin), TX
Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: sub box?

Get a T-top bag to put them in & strap it down & your box would be directly in the way. The T-top bags are designed to strap down to where you are wanting to build a box.
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Old Apr 20, 2009 | 06:05 AM
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Re: sub box?

Originally Posted by TG Goose
why not just put the sub and amp in the spare tire compartment?

https://www.thirdgen.org/forums/car-...-tire-sub.html

makes way more sense, weighs a lot less and frees up so much more use-able space in our cars and makes storing and carrying t-tops so easy.

Its an easy space to make a custom fiberglass enclosure as well.
It's a good idea, but since your losing the spare and cutting out the metal bracing to make room for an enclosure it doesn't make as much "sense" as some may think. Putting a enclosure in the well isn't as permanent a modification.
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Old Apr 20, 2009 | 07:23 AM
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Re: sub box?

There is another way. I've been designing and installing subs for over twenty years. A particular type of enclosure called isobaric might be the way to go. I've designed and installed one in my GTA and it kicks the back of your head with tight, controlled, accurate bass. The only catch is you have to have a little more power than normal. The benefit is the sub size is literally cut in half. This way you get the benefits of the sound from a large enclosure without the extra weight and it doesn't consume the entire rear hatch. If you have t-tops you still have room to store them. Check out the attached photos. If anyone has questions on how to build one of these subs just ask. I'll need to know the specs of your subs to give you net volume figures. I'll also need to know the size of port you intend to use. When tuning one of these enclosures, accurate figures are critical since a small miscalculation in percentage can affect the tuning frequency.
Contact me directly. Mike
gmjunkyard@live.com
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Last edited by Mike M; Apr 20, 2009 at 07:25 AM. Reason: spacing
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Old Apr 20, 2009 | 09:59 AM
  #19  
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Re: sub box?

Originally Posted by 88TransAmFreak
It's a good idea, but since your losing the spare and cutting out the metal bracing to make room for an enclosure it doesn't make as much "sense" as some may think. Putting a enclosure in the well isn't as permanent a modification.
when was the last time anyone ever used the spare? And I didnt remove the metal bracing, because it made more "sense" to keep it in place.
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Old Oct 18, 2009 | 09:56 AM
  #20  
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Car: 1987 Iroc Z 1990 RS 1991 RS
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Re: sub box?

I am back sorry for some of you might be wondernig YES I am still giving away the free software program. I sent it out a few to other people. I know it works on xp 98 and possible 95. But vista someone told me no it dn't work. For alll that still wants the free software I will send PM me with your email address NO bogus ones b/c i am doing this to help out 3rdgen owners not to be wasting my time with bogus email addresses that come back saying doesn't exist ect. If your serious about it will send.
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